bluuebunny/crossref_metadata_2025 huggingface dataset:
Sunflower seed for human consumption as a substrate for the growth of mycopopulations
Authors: Skrinjar Marija , Petrovic Zarko , Blagojev Nevena , Soso Vladislava
Published: December 2012

These mycological investigations are implicating samples of protein sunflower
seed from regular cultivation in the Vojvodina Province. Samples are examined
in different stages of production: reception in the silo, separation of
massive fraction on peeler and then peeling, kernel after peeling, hull,
final product, i.e. kernels separated from visible impurities on conveyor
bel, that are later manually divided in two fractions - a) seemingly whole,
undamaged kernels, without change of colour, and b) seemingly damaged
kernels, broken, with change of colour. For the determination of viable count
of moulds and their isolation, two different media are used in parallel:
Sabouraud maltose agar (SMA) and malt/yeast extract with 50% of glucose
(MY50G), favourable for growth of xerophilic moulds. All samples tested were
contaminated with fungi. Total viable mould count per seed varied from 1.6
(SMA) respecting 1.3 (MY50G) on reception, to 5.6 (SMA) and 7.5 (MY50G)
cfu/seed in visually damaged sunflower kernels (final product). From seeds,
kernels and hull, numerous moulds were isolated, belonging to 8 genera and 13
species (Alternaria alternata, Arthrinium phaeospermum, Aspergillus candidus,
A. flavus, A. niger, A. ochraceus, A. versicolor, A. wentii, Cladosporium
cladosporioides, Eurotium herbariorum, Penicillium aurantiogriseum, Rhizopus
stolonifer and Trichoderma harzianum). Alternaria alternata, Aspergillus
flavus, A.ochraceus, A. versicolor and Eurotium herbariorum were isolated on
both media. Aspergillus candidus, A. versicolor, C. Cladosporioides, P.
aurantiogriseum and T. harzianum were isolated only on SMA, while A. niger,
A. wentii and R. stolonifer were exclusively isolated on MY50G. Most
ubiquitous species is A. alternata, which is isolated from all tested
samples, while A. candidus, C. cladosporioides and T. harzianum were isolated
from sunflower seed on reception in silo, using SMA medium.
Comparison of life cycle assessment for different volume polypropylene jars
Authors: Krkic Nevena , Lazic Vera , Suput Danijela
Published: December 2012

When deciding what packaging is the most appropriate for a product there are
many factors to be considered. One of them is the impact of the packaging on
environment. In this work, life cycle inventory and life cycle assessment of
two different volume packagings were compared. The data were collected on the
types and amounts of materials and energy consumption in the process of
packaging and distribution of hand cream packed in polypropylene jars of 200
and 350 mL. Life cycle inventory (LCI) and life cycle impact assessment (LCA)
were calculated. It was found that the total mass flow was higher for the
jars of 350 mL. After analyzing individual flows, it was found that in both
cycles (polypropylene jars of 200 and 350 mL),the consumption of fresh water
was a dominant flow. This fresh water flow is mostly (95%) consumed in the
injection molding process of manufacturing jars from polypropylene granules.
The LCA analysis showed no significant difference in global warming potential
between different volume jars. The process that mostly affected global
warming was the production of polypropylene jars from polypropylene granules
by injection molding for both jar volumes. Judging by the global warming
potential, there is no difference of the environmental impact between
investigated jars, but considering the mass flow and water consumption, more
environmental friendly were the 200 mL jars.
Modeling of mass transfer performance of hot-air drying of sweet potato (Ipomoea Batatas L.) slices
Authors: Zhu Aishi , Jiang Feiyan
Published: December 2012

In order to investigate the transfer characteristics of the sweet potato
drying process, a laboratory convective hot air dryer was applied to study
the influences of drying temperature, hot air velocity and thickness of sweet
potato slice on the drying process. The experimental data of moisture ratio
of sweet potato slices were used to fit the mathematical models, and the
effective diffusion coefficients were calculated. The result showed that
temperature, velocity and thickness influenced the drying process
significantly. The Logarithmic model showed the best fit to experimental
drying data for temperature and the Wang and Singh model were found to be the
most satisfactory for velocity and thickness. It was also found that, with
the increase of temperature from 60 to 80?C, the effective moisture diffusion
coefficient varied from 2.962?10-10 to 4.694?10-10 m2?s-1, and it fitted the
Arrhenius equation, the activation energy was 23.29 kJ?mol-1; with the
increase of hot air velocity from 0.423 to 1.120 m?s-1, the values of
effective moisture diffusion coefficient varied from 2.877?10-10 to
3.760?10-10 m2?s-1; with the increase of thickness of sweet potato slice from
0.002 m to 0.004 m, the values of effective moisture diffusion coefficient
varied from 3.887?10-10 to 1.225?10-9 m2?s-1.
Jatra and Kabuki : An Indepth Look
Authors: Rabbani Farhanaz
Published: December 2012

As the world sails into the second decade of the new millennium, more and more people are beginning to realize the importance of folk art, their elegance and beauty. Contemporary art is a reflection of the seeds sown by folk art in different cultures hundreds of years ago. But apart from just being traditional, folk art has a significant socio-political dimension. In this paper, folk art stands as a representation of the mass public which expresses itself as popular culture. According to Ang, the populist aesthetic is based on an affirmation of the continuity of cultural forms and daily life, and on a deep- rooted desire for participation, and on emotional involvement (274). This paper will focus on the distinctive nature and role of popular folk art- the Bangladeshi Jatra and the Japanese Kabuki, which originated from the populist aesthetic of two very different cultures. Although Bangladeshi and Japanese cultures are varied, they have some common grounds on which oral or dialogue drama flourished as performance among the underprivileged masses. DOI: http://dx.doi.org/10.3329/afj.v4i0.12935 The Arts Faculty Journal Vol.4 July 2010-June 2011 pp.109-115
Designing Integrated Information Systems for Health, Nutrition and Population Sector Programs in Bangladesh: A Model Plan
Authors: Alam Md Saiful
Published: December 2012

A workable information system is one of the essential programmatic needs for the Health, Nutrition and Population (HNP) sector programs in Bangladesh. At present, Ministry of Health and Family Welfare is maintaining hierarchical reporting system called Management Information System (MIS) for assessing, evaluating and monitoring its health, nutrition and population sector programs. It has undergone several changes and modifications over the last three decades since its inception in 1975. In response to the needs for evidence-based decision making and enabling the system to deliver timely reliable information to the planners, managers and professionals, government has taken significant initiatives for improvement of information systems at all levels of the sector. However, due to the bifurcated structure in the Ministry of Health and Family Welfare (MOHFW), adequate and timely monitoring of sector performance is not yet a reality and the culture of using information for decision-making has not yet taken roots. Duplication of services, delay in placing manpower, equipment etc. still reduce the possibility to make facilities fully functional. Insufficient coordination between various sub-sectors in health, population and nutrition resulted in duplication, wastage and missed opportunities both at the top as well as at the operational level. Though MOHFW has been in the process of developing a routine data system, the MIS has been severely criticized for its narrow coverage, faulty output, under utilization of data, etc. Similarly, no initiative has been taken to develop proper library and information systems let alone the integration of library system and MIS. Considering the socio-economic, technical, infrastructural, policy and administrative issues of the country, the design of an integrated information system is the main focus of the study. DOI: http://dx.doi.org/10.3329/afj.v4i0.12939 The Arts Faculty Journal Vol.4 July 2010-June 2011 pp.171-184
Nature of Evil in Macbeth
Authors: Islam Md Saiful
Published: December 2012

It is a statement of evil (Knight 18). The Whole play may be writ down as a wrestling of destruction with creation (Knight 140). It contains the decisive orientation of Shakespearean good and evil (Traversi 86). The above statements serve to prove that Macbeth is Shakespeares most profound and mature vision of evil. In this play, Shakespeare presents the overspreading influence of evil over the guilty and ambitious minds which lead them to commit the most treacherous villainy that affect not only the man and the state, but the family and the physical universe as well. But this evil is not the one that finally triumphs, Shakespeare in this play also provides the essential morality and courage which in their progression defeat the evil and restore the natural order of things. This paper endeavors to present the various viewpoints from which this evil can be interpreted. It shows how Shakespeare has depicted the transformation of a good person to a ghastly figure. The effect of evil in Lady Macbeth is also analyzed. The paper also tries to examine whether this evil is purely psychological or has an exterior form. DOI: http://dx.doi.org/10.3329/afj.v4i0.12940 The Arts Faculty Journal Vol.4 July 2010-June 2011 pp.185-194
Digital Information Resources for Disaster Management of Libraries and Information Centres
Authors: Biswas Bidhan Chandra , Choudhuri Sabuj Kumar
Published: December 2012

A library may procure contents in various sources and forms to serve their clients, particularly in the higher education and research institutes in the developed world to satisfy their urge for vital contents that inspire indigenous research. Libraries and information centres must take adequate measures to save their collection from natural or man-made hazards. To have a strong disaster management commitment for libraries and information centres, the role of digital information is most important. This paper begins with an understanding of disaster  the meaning, types and its groups- and then seeks to identify parameters to design and develop a successful disaster management plan, cited examples with images, provided various sources for digital information to mitigate it. For heralding better tomorrow, a concerted effort is needed in this regard. Bangladesh Journal of Library and Information Science Vol.2(1) July 2012 pp.12-21DOI: http://dx.doi.org/10.3329/bjlis.v2i1.12915
Chemical Profiles of Wood Components of Poplar Clones for Their Energy Utilization
Authors: Kačík František , Ďurkovič Jaroslav , Kačíková Danica
Published: December 2012

Selected and tested poplar clones are very suitable biomass resources for various applications such as biofuels, the pulp and paper industry as well as chemicals production. In this study, we determined the content of lignin, cellulose, holocellulose, and extractives, syringyl to guaiacyl (S/G) ratio in lignin, and also calculated higher heating values (HHV) among eight examined clones of Populus grown on three different experimental sites. The highest lignin content for all the examined sites was determined in ‘I-214’ and ‘Baka 5’ clones, whereas the highest content of extractives was found in ‘Villafranca’ and ‘Baka 5’ clones. The highest S/G ratio for all the examined sites was determined in ‘Villafranca’ and ‘Agathe F’ clones. The chemical profiles of main wood components, extractives, and the S/G ratio in lignin were also influenced by both the experimental site and the clone × site interaction. Higher heating values, derived from calculations based on the contents of lignin and extractives (or lignin only), were in close agreement with the previously published data. The highest heating values were found for ‘Baka 5’ and ‘I-214’ clones. The optimal method of poplar biomass utilization can be chosen on basis of the lignocellulosics chemical composition and the S/G ratio in lignin.
Implementation of Classical Communication in a Quantum World
Authors: Fields Chris
Published: December 2012

Observations of quantum systems carried out by finite observers who subsequently communicate their results using classical data structures can be described as “local operations, classical communication” (LOCC) observations. The implementation of LOCC observations by the Hamiltonian dynamics prescribed by minimal quantum mechanics is investigated. It is shown that LOCC observations cannot be described using decoherence considerations alone, but rather require the a priori stipulation of a positive operator-valued measure (POVM) about which communicating observers agree. It is also shown that the transfer of classical information from system to observer can be described in terms of system-observer entanglement, raising the possibility that an apparatus implementing an appropriate POVM can reveal the entangled system-observer states that implement LOCC observations.
Study of Rigid Cross-Linked PVC Foams with Heat Resistance
Authors: Shi Aihua , Zhang Guangcheng , Zhao Chenhui
Published: December 2012

Three heat resistant cross-linked PVC foam plastics were prepared and their performances were compared with universal cross-linked PVC structural foam. The results show that these three heat resistant foams have higher glass transition temperatures (close to 100 °C) than universal structural foam (83.2 °C). Compared with the universal structural foam, the three heat resistant foams show much higher decomposition temperature and better chemical stability due to the crosslinking of PVC macromolecular chains. The heat distortion temperature (HDT) values of the three heat resistant foam plastics are just a little higher than that of universal structural foam. The three heat resistant foam plastics have good dimensional stability at 140 °C, and when used as core material can closely adhere to the face plates in medium temperature curing processes. Compared with universal structural foam, the three heat resistant foam plastics have slightly better mechanical properties.
Optical Waveguide Lightmode Spectroscopy (OWLS) as a Sensor for Thin Film and Quantum Dot Corrosion
Authors: Yu Hao , Eggleston Carrick , Chen Jiajun , Wang Wenyong , Dai Qilin , Tang Jinke
Published: December 2012

Optical waveguide lightmode spectroscopy (OWLS) is usually applied as a biosensor system to the sorption-desorption of proteins to waveguide surfaces. Here, we show that OWLS can be used to monitor the quality of oxide thin film materials and of coatings of pulsed laser deposition synthesized CdSe quantum dots (QDs) intended for solar energy applications. In addition to changes in data treatment and experimental procedure, oxide- or QD-coated waveguide sensors must be synthesized. We synthesized zinc stannate (Zn2SnO4) coated (Si,Ti)O2 waveguide sensors, and used OWLS to monitor the relative mass of the film over time. Films lost mass over time, though at different rates due to variation in fluid flow and its physical effect on removal of film material. The Pulsed Laser Deposition (PLD) technique was used to deposit CdSe QD coatings on waveguides. Sensors exposed to pH 2 solution lost mass over time in an expected, roughly exponential manner. Sensors at pH 10, in contrast, were stable over time. Results were confirmed with atomic force microscopy imaging. Limiting factors in the use of OWLS in this manner include limitations on the annealing temperature that maybe used to synthesize the oxide film, and limitations on the thickness of the film to be studied. Nevertheless, the technique overcomes a number of difficulties in monitoring the quality of thin films in-situ in liquid environments.
An Ultrasonic System for Weed Detection in Cereal Crops
Authors: Andújar Dionisio , Weis Martin , Gerhards Roland
Published: December 2012

Site-specific weed management requires sensing of the actual weed infestation levels in agricultural fields to adapt the management accordingly. However, sophisticated sensor systems are not yet in wider practical use, since they are not easily available for the farmers and their handling as well as the management practice requires additional efforts. A new sensor-based weed detection method is presented in this paper and its applicability to cereal crops is evaluated. An ultrasonic distance sensor for the determination of plant heights was used for weed detection. It was hypothesised that the weed infested zones have a higher amount of biomass than non-infested areas and that this can be determined by plant height measurements. Ultrasonic distance measurements were taken in a winter wheat field infested by grass weeds and broad-leaved weeds. A total of 80 and 40 circular-shaped samples of different weed densities and compositions were assessed at two different dates. The sensor was pointed directly to the ground for height determination. In the following, weeds were counted and then removed from the sample locations. Grass weeds and broad-leaved weeds were separately removed. Differences between weed infested and weed-free measurements were determined. Dry-matter of weeds and crop was assessed and evaluated together with the sensor measurements. RGB images were taken prior and after weed removal to determine the coverage percentages of weeds and crop per sampling point. Image processing steps included EGI (excess green index) computation and thresholding to separate plants and background. The relationship between ultrasonic readings and the corresponding coverage of the crop and weeds were assessed using multiple regression analysis. Results revealed a height difference between infested and non-infested sample locations. Density and biomass of weeds present in the sample influenced the ultrasonic readings. The possibilities of weed group discrimination were assessed by discriminant analysis. The ultrasonic readings permitted the separation between weed infested zones and non-infested areas with up to 92.8% of success. This system will potentially reduce the cost of weed detection and offers an opportunity to its use in non-selective methods for weed control.
Neonatal Calf Infection with Respiratory Syncytial Virus: Drawing Parallels to the Disease in Human Infants
Authors: Sacco Randy , McGill Jodi , Palmer Mitchell , Lippolis John , Reinhardt Timothy , Nonnecke Brian
Published: December 2012

Respiratory syncytial virus (RSV) is the most common viral cause of childhood acute lower respiratory tract infections. It is estimated that RSV infections result in more than 100,000 deaths annually worldwide. Bovine RSV is a cause of enzootic pneumonia in young dairy calves and summer pneumonia in nursing beef calves. Furthermore, bovine RSV plays a significant role in bovine respiratory disease complex, the most prevalent cause of morbidity and mortality among feedlot cattle. Infection of calves with bovine RSV shares features in common with RSV infection in children, such as an age-dependent susceptibility. In addition, comparable microscopic lesions consisting of bronchiolar neutrophilic infiltrates, epithelial cell necrosis, and syncytial cell formation are observed. Further, our studies have shown an upregulation of pro-inflammatory mediators in RSV-infected calves, including IL-12p40 and CXCL8 (IL-8). This finding is consistent with increased levels of IL-8 observed in children with RSV bronchiolitis. Since rodents lack IL-8, neonatal calves can be useful for studies of IL-8 regulation in response to RSV infection. We have recently found that vitamin D in milk replacer diets can be manipulated to produce calves differing in circulating 25-hydroxyvitamin D3. The results to date indicate that although the vitamin D intracrine pathway is activated during RSV infection, pro-inflammatory mediators frequently inhibited by the vitamin D intacrine pathway in vitro are, in fact, upregulated or unaffected in lungs of infected calves. This review will summarize available data that provide parallels between bovine RSV infection in neonatal calves and human RSV in infants.
Pure hydrogen low-temperature plasma exposure of HOPG and graphene: Graphane formation?
Authors: Eren Baran , Hug Dorothée , Marot Laurent , Pawlak Rémy , Kisiel Marcin , Steiner Roland , Zumbühl Dominik M , Meyer Ernst
Published: December 2012

Single- and multilayer graphene and highly ordered pyrolytic graphite (HOPG) were exposed to a pure hydrogen low-temperature plasma (LTP). Characterizations include various experimental techniques such as photoelectron spectroscopy, Raman spectroscopy and scanning probe microscopy. Our photoemission measurement shows that hydrogen LTP exposed HOPG has a diamond-like valence-band structure, which suggests double-sided hydrogenation. With the scanning tunneling microscopy technique, various atomic-scale charge-density patterns were observed, which may be associated with different C–H conformers. Hydrogen-LTP-exposed graphene on SiO2 has a Raman spectrum in which the D peak to G peak ratio is over 4, associated with hydrogenation on both sides. A very low defect density was observed in the scanning probe microscopy measurements, which enables a reverse transformation to graphene. Hydrogen-LTP-exposed HOPG possesses a high thermal stability, and therefore, this transformation requires annealing at over 1000 °C.
Istanbul, du « seuil de la félicité brisé » à la mégapole internationale
Authors: Pérouse Jean-François
Published: December 2012

Istanbul est la plus grande mégapole européenne si l’on inclut sa partie asiatique. Il est clair que le pouvoir AKP veut en faire un phare à la gloire de la nouvelle puissance turque. Cet article revient sur l’urbanisme récent en décryptant les desseins qui le sous-tendent. Il le resitue également dans le temps plus long pour démontrer que l’activisme urbanistique n’est pas uniquement une oeuvre de l’AKP.
L'AKP et l'autoritarisme en Turquie : une rupture illusoire
Authors: Tayla Alican
Published: December 2012

Depuis l’arrivée au pouvoir de l’AKP, la Turquie semblait avoir changé radicalement, en particulier sur le plan de la politique intérieure. Pourtant une décennie après son accession au pouvoir, l’autoritarisme semble empreindre son action. Force est d’admettre que l’AKP se situe donc dans une certaine généalogie de l’autoritarisme en Turquie avec des figures bien connues. Si cet article revient sur cette histoire et sur ces figures, il cherche surtout à analyser la lente montée en puissance de l’autoritarisme de l’AKP.
OCP : anatomie d'une transformation radicale
Authors: Croset Pascal , Drissi Amar
Published: December 2012

Résumé Un nouveau président réveille OCP après des décennies d’assoupissement et un consultant-chercheur en sera le témoin privilégié, immergé au cœur du changement. Cela conduira à la naissance d’un livre qui relate cette extraordinaire aventure.
Normes : un outil cache de la stratégie économique chinoise
Authors: Peyrat Olivier
Published: December 2012

Résumé La Chine a une stratégie d’influence dans l’élaboration des normes internationales pour combler le décalage entre le rang économique de la Chine et ses responsabilités dans les comités de l’ISO. Quelles stratégies sont ouvertes aux acteurs occidentaux ?
Les sources bergsonienne et kantienne de la theorie du concept de Gilles Deleuze
Authors: Cherniavsky Axel
Published: December 2012

Résumé Gilles Deleuze définit la philosophie comme création de concepts . S’agit-il d’une définition originale ? La fonction du concept consiste à « donner une consistance au virtuel ». Qu’est-ce que cela signifie ? On montre que c’est à partir de la distinction bergsonienne entre la matière et l’esprit qu’il faut comprendre la distinction entre l’actuel et le virtuel, et que c’est à partir de la philosophie critique qu’il faut comprendre l’expression « donner de la consistance ». Le repérage de ces deux sources et des déplacements que Deleuze opère permet de préciser en partie l’originalité de sa définition de la philosophie. L’examen de la façon dont le concept de concept est lui-même construit permet aussi de mieux comprendre les mécanismes à l’œuvre dans la création philosophique
The microbiota and the gut-brain axis: insights from the temporal and spatial mucosal alterations during colonisation of the germfree mouse intestine
Authors: El Aidy S. , Kunze W. , Bienenstock J. , Kleerebezem M.
Published: December 2012

The influence of the gut microbiota on the nervous system, brain development and behaviour, in particular during microbial colonisation of the host, has recently been receiving profound interest. Our time-resolved mining of combined data analyses of the ex-germfree mouse intestine during a 30-day course of colonisation with conventional mouse faecal microbiota (conventionalisation), shed light on temporal altered expression of genes of which the products influenced functions of the nervous system. Plasma tryptophan and kynurenine levels reflected high indoleamine dioxygenase activity, which was supported by significant temporal induction of the encoding gene in all gut tissues. However, the majority of genes associated with neuronal development and function were reduced. Colonic substance P elevation in response to conventionalisation was higher only after 30-days. These results support a functional microbiota-neurohumoral relationship during conventionalisation and suggest a delayed neuronal response that is elicited only after the microbiota accommodating homeostasis has been accomplished.
La gouvernance urbaine en question: le cas des lieux de nature cultivée
Authors: Nahmias Paula , Hellier Emmanuelle
Published: December 2012

Phénomène géoéconomique puissant, la métropolisation transforme également les conditions et les modes de la gouvernance aux différentes échelles, notamment locales : concurrence interurbaine pour l’attraction des personnes et des activités, hybridation des modes d’intervention public-privé, montée en puissance des revendications d’une société civile de mieux en mieux organisée. Les lieux de nature cultivée dans la ville sont traversés par ces mutations de la gouvernance. L’article vise ainsi à montrer que le caractère multifonctionnel de ces lieux de nature (bien écologique, ressource alimentaire, creuset d’interactions sociales et d’attachement individuel) en fait des « espaces enjeux » pour les acteurs de l’aménagement urbain. En effet, les objectifs des institutions urbaines et la manifestation des demandes habitantes y entrent en tension, car ils ne relèvent pas des mêmes points de vue sur les espaces vécus et pratiqués. À partir de l’exemple de l’agglomération de Rennes, dans l’ouest de la France, on peut ainsi questionner la capacité des institutions urbaines à assurer une démocratie locale à partir de la participation habitante, et à intégrer véritablement toutes les formes d’activités productives dans une même vision métropolitaine.
Comparison of Hydrophone Calibration by Reciprocity and Heterodyne Interferometer in the Frequency Range 500 kHz to 15 MHz
Authors: Xing Guang Zhen , Yang Ping , He Long Biao
Published: December 2012

This paper presents a comparison of high-frequency hydrophone calibration by a heterodyne interferometer and two-transducer reciprocity method respectively. For the calibration using the heterodyne interferometer, a vertical arrangement is applied to avoid the acousto-optical interaction which is a major uncertainty source in previous studies. For the demodulation of the acoustic displacement, a PC-based digital demodulation using arctangent algorithm is applied which has overcome the drawback of analog demodulation and achieved a higher demodulation accuracy. The demodulation is independent of the intensity of the carrier signal and thus can avoid the correction for the frequency response of the photodiode which is another uncertainty source. Comparison results between these two methods showed a good agreement. Owing to the optical measurement is independent of the acoustic field generating by the transducer, it has wider usage compared to the reciprocity method and can be easily extended to higher frequency and higher acoustic power application.
Communication Performance of RFID System and Anti-Interference in the Multipath Rayleigh Fading Channel
Authors: Yu Xiao Lei , Yu Yin Shan , Ji Yu Yu , Wang Dong Hua
Published: December 2012

With the communication environment of RFID system developing from near field communication to long distance communication, Rayleigh fading with Doppler frequency shift emerges from multipath effect between the readers and electronic tags. A systemic study was focused on modeling and analysis of channel transmission for Type A tag signals in the multipath Rayleigh fading channel. Furthermore, the OFDM system was added to the RFID tag signals to improve the sensitivity of SNR in the Rayleigh fading channel. The SNR of tag signal is not sensitive in the multipath Rayleigh fading channel. However, the sensitivity increases after OFDM is added to the RFID system and the anti-interference ability is highly improved.
A Demodulating Approach Based on Local Mean Decomposition and Combined Morlet Wavelets and its Application in Mechanical Fault Diagnosis
Authors: Li Hui Mei , Cai Zhao Zhong , An Gang
Published: December 2012

Local mean decomposition(LMD) as a new demodulating approach has some problems needing study and solution.This paper analyzed the overlapping phenomenon of product functions(PFs) generated when LMD decomposes signals through studying the adaptive filtering characteristic of LMD and numerical simulation. The results show that the overlapping phenomenon of PFs is general. Then in order to improve the demodulating effect of LMD, a new demodulating method based on LMD and combined Morlet wavelets was proposed and applied in gear fault diagnosis. The results show that this method is efficient.
Threshold Modification Model for the Optimal Evolution Algorithm
Authors: Lin Zheng Chun , Wang Cheng , Jiang Chang Jin , Xu Chun Cai , Gong Yue , Feng Tiao Yi , Zhong Zhao Hua , Chen Jian Xiong
Published: December 2012

The number of pixels of object and background generally has a large difference. Thresholds calculated by the optimal evolution algorithm (OEA) tend to the class which has more samples than the other, then the optimal evolution algorithm falls into a local optimal solution. A threshold modification model was built up for an improved optimal evolution algorithm. The improved OEA can adaptively modify the threshold in each evolutional generation according to the difference of pixels’ number between object and background. Experimental results show that the improved OEA is more stable, converge more rapidly, and has better segmentation quality than OEA.
Wavelet Audio Coding by Fixed-Point Short Block Processing for Real-Time Wireless Applications
Authors: Luo Gao Yong , Liu Yu Pei
Published: December 2012

Digital audio coding delays have become increasingly critical in real-time wireless applications. In live productions, a codec with ultra low delay is required within the constraints of the available channel bandwidth. However, such a threshold can hardly be reached by means of standard audio coding schemes. To achieve low delay as well as to satisfy cost and power consumption constraints, this paper presents an ultra low delay audio coder by very short block processing and embedded coding implemented in fixed-point DSP. The short block two dimensional (2D) spatial-frequency processing of audio input signal fully exploits the correlation for better compression performance. Lifting wavelet transform with boundary effects minimized by changing wavelet shape is developed using bit shifts and additions to replace multiplications in a fixed-point specification under accuracy constraint. The embedded coding offers the error resilience feature so that joint source-channel coding scheme for unequal error protection can be easily designed by varying both source coding bit rate and channel coding redundancy. Experimental results demonstrate that the proposed coder is efficient and requires less memory in fixed-point computation which guarantees no overflow.
Wavelet Packet Transform Method and its Application in Analysing Ocean Signals
Authors: He Shi Jun , Zhou Wen Jun
Published: December 2012

In the marine study field, it always analysis the kinds of acquisition signals to extract the meaningful data. In this paper, a method of wavelet packet transformation (WPT) is suggested to the analytical ocean signals, such as the tidal level in the event of typhoon. It's known that the tidal level contains different frequency of astronomical tidal components and storm surge components, so it can be decomposed by using WPT to separate them into serials of frequency bands signals. Specifically, the storm surge process curve can be extracted independently by reconstructing the exclusive decomposed wavelet packet coefficients for our deeply research in the future. Taking one of typhoon measured tidal levelas an example to validation the opinion, the storm surge is calculated by using the presented method.Compared with the value calculated by traditional linear method, it shows that the suggested method can preferably separate storm surge and also has applied significance in analysising the ocean signals.
Frame Reconstruction with Missing Data from Multiple Images
Authors: Luan Guang Yu , Zhu Xue Dong , Li Ai Chuan , Lv Zhen Su , Che Ren Sheng
Published: December 2012

To solve the missing data problem that is caused by reasons, such as occlusion, frame reconstruction by a two-level strategy in multiple images was considered. The method first performed a projective reconstruction combining singular value decomposition (SVD) and subspace method with missing data, which estimated projective shape, projection matrices, projective depths and missing data iteratively. Then it converted the projective solution to a Euclidean one with the unknown focal length and the constant principal point by enforcing constraints. Using the constraints and the fact that scale measurement matrix can recover numberless projection matrices and point matrices, the set equations of the transformation matrix from the projective reconstruction to Euclidean reconstruction were obtained. Experimental results using real images are provided to illustrate the performance of the proposed method.
An Analysis Research for Digitized Features of Epileptic EEG Using SVM
Authors: Xu Xin , Lv Bin , Song Jie , Shi Wei Xiang , Hu Yan Ting , Yan Shan Cheng
Published: December 2012

Epilepsy is one of the most common neurological disorders that greatly disturb patients’ daily lives. Traditional epileptic diagnosis relies on tedious visual screening by neurologists from lengthy EEG recording that requires the presence of seizure (ictal) activities. We proposed to study automated epileptic diagnosis using interictal EEG data that was much easier to collect than ictal data. The research aims to develop an automated diagnostic system that can use interictal EEG data to diagnose whether the person is epileptic. This system could also test epileptic seizures in order to provide doctors with further tests and potential monitor of patients. To test such a system, we extract power spectral feature, Petrosian fractal dimension, Higuchi fractal dimension and Hjorth parameters for analysis, from which we find our system can be used in patient monitoring(seizure detection) and seizure focus localization, with 98.333% and75.5% accuracy respectively.
A Particle Swarm Optimization with Variety Factor
Authors: Qin Hai Sheng , Wei Deng Yue , Li Jun Hui , Zhang Lei , Feng Yan Qiang
Published: December 2012

A new particle swarm optimization (PSO) algorithm (a PSO with Variety Factor, VFPSO) based on the PSO was proposed. Compared with the previous algorithm, the proposed algorithm is to update the Variety Factor and to improve the inertia weight of the PSO. The target of the improvement is that the new algorithm could go on enhancing the robustness as before and should reduce the risk of premature convergence. The simulation experiments show that it has great advantages of convergence property over some other modified PSO algorithms, and also avoids algorithm being trapped in local minimum effectively. So it can avoid the phenomenon of premature convergence.
An Anycast Routing Algorithm Based on the Combination of Genetic Algorithm and Ant Colony Algorithm
Authors: Li Tao Shen , Li Zhang Cai
Published: December 2012

To solve anycast routing problem with multiple QoS constraints, a improved hybrid algorithm which combines genetic algorithm and ant colony algorithm is proposed. In the initial period of hybrid algorithm, genetic algorithm was used to distribute pheromones in links and code and optimize control parameters of ant colony algorithm. Through judgment function, this algorithm can judge the time to combine the genetic algorithm with ant colony algorithm, and initialize the pheromones and start the ant colony algorithm at the last period of hybrid algorithm. To avoid hybrid algorithm falling into local optimal solution, a mutation operator was introduced in algorithm hybrid to update local pheromones of new path produced by mutation operation and reduced pheromones concentration on optimal path in time. The NS2 simulation results show that this algorithm can commendably solve the anycast routing problem with multiple QoS constraints, and its performance is better than other two algorithms.
Study on Application of Genetic Algorithm in Maintenance Support Schedule
Authors: Han Qing Tian , Cao Wen Jing , Su Tao
Published: December 2012

Firstly, according to the situation of multi aircrafts and multi devices, the maintenance support model was established. Secondly, the genetic algorithm flow chart and the coding method were presented, and the fitness function, the selection, the mutations and the crossover were all given out. Finally, the numerical example was given out. The result shows the proposed algorithm yields visual support program for aircrafts and devices, and the applicable and validity of the algorithm are demonstrated.
Application of on-line Adaptive Weighted Fusion in Mine Gas Measurement System
Authors: Wang Yan Ju , Yang Li Kun , Wang Yu Tian
Published: December 2012

In mine environmental monitoring system, the concentration of mine gas is an important indicator. Aiming at the redundant information from multi-gas sensors in the measurement system, adaptive weighted fusion algorithm was presented. Using this algorithm, it was unnecessary to be aware of any pre-defined knowledge about these datas measured by the sensors. That the algorithm could adjust the fused sensor’s weight in time according to the variation in sensors’ variances makes the mean square error minimal. It was also proved theoretically that this fusion algorithm is linear and unbiased, in respect of the least mean square errors. Simulation results showed that this fusion algorithm is effective and the result of fused data is superior to the mean estimate algorithm in respect of accuracy and fault tolerance.
Simplified Design of Dual Quaternion Strapdown Inertial Navigation Integration Algorithms
Authors: Lin Yu Rong , Chen Liang , Fu Zhen Xian
Published: December 2012

Dual quaternion navigation algorithm gain higher accuracy than traditional strapdown inertial navigation algorithm at the cost of real-time performance. In order to reduce tremendous computation amount of the former, a simplified design scheme for navigation integration algorithms is presented in this paper. First, based on update principle and computation rules of dual quaternion we separate rotational and translational increment information from dual quaternion increment, and deduce exact solutions defined by the spiral vector for thrust velocity increment, gravitational velocity increment and displacement increment. Then, considering characteristics of a strapdown inertial navigation system, implementation schemes of simplified integration algorithms for dual quaternion differential equations in three frames, including thrust velocity coordinates, gravitational velocity coordinates and position coordinates, are designed separately. Under the premise of ensuring the accuracy advantage of the original dual quaternion inertial navigation algorithm, the proposed simplified algorithm significantly improve the computational efficiency. This will lay favorable foundation for engineering realization of the dual quaternion strapdown inertial navigation algorithm.
Research on Maintenance Resources Distribution Based on Queuing Theory
Authors: Han Qing Tian , Cao Wen Jing , Zhang Yi
Published: December 2012

Firstly, the characters of the maintenance support for carrier aircraft were analyzed. Secondly, for the demand of maintenance person resource, under the task maintenance responsibility system, the resources distribution models were given out using queuing theory. Lastly, the numerical example was carried out. The result shows the applicability of the model.
Novel Compact Genetic Algorithm for WTA Problem
Authors: Liu Zhen , Hu Yun An
Published: December 2012

The paper proposed a novel compact genetic algorithm which is named as pseudo-parallel compact genetic algorithm. There are two populations in the process of evolution, and the two subpopulation can exchange information between each other. The experimental results show that the novel algorithm performs better than simple genetic algorithm. Then it is used to solve weapon target allocation (WTA) problem, and the simulation result shows that it is more efficient comparing with other methods. Because the compact genetic algorithm is easy to operate and take up less memory, so the algorithm exhibit a better quality of solution and the required less time than before.
Based on SVD MEMS Microstructure Amplitude Measurements of the New Algorithm
Authors: Hu Zhang Fang , Ji Chao , Luo Yuan
Published: December 2012

In order to obtain the MEMS micro structure's high resolution measurement dynamic parameters ,this paper ,by obtaining stroboscopic imaging technology of micro structure of moving image sequence, proposed one kind based on the phase correlation technique and singular value decomposition technique combining sub-pixel measurement method. By the method of phase correlation, image space coordinate can transform into the frequency domain to the coordinates of the parameter space. And then through the singular value decomposition technique to obtain the correlation matrix, using the least-squares fitting, get the sub-pixel level displacement measurement results. The experimental results show that, with this method of measuring MEMS micro structure plane motion amplitude can reach sub-pixel accuracy, and can be effectively reduced by uneven illumination effect on the measuring result, thereby increasing the measurement results of stability and reduces the measuring error.
The Realization of Smoothed Pseudo Wigner-Ville Distribution Based on LabVIEW
Authors: Liu Guo Qing , Zhang Xi , Lv Qi Bing
Published: December 2012

The realization steps on LabVIEW of general SPWVD and one of special SPWVD named Choi-Williams distribution (CWD) were detailed in this paper. Through the comparative analysis, the series of simulation experiments clearly displayed the superiority of smoothed pseudo Wigner-Ville distribution, and also indicated that the programs of SPWVD and CWD based on LabVIEW could be applied in practical.
Precise Measurement on Form of Horizontal Tank Used for Liquid Volume Metrology by Laser Scanning Method
Authors: Wang Jin Tao , Liu Zi Yong , Tong Lin , Guo Li Gong , Bao Xue Song , Zhang Long
Published: December 2012

The precision measurement of horizontal tank volume is one of key problems for the international trade of liquefied petroleum products. According to the technical requirements of international legal metrology recommendations, one volume measurement method for horizontal tank was presented, based on laser scanning principle. Algorithm based on wavelet was studied for noise reduction of data cloud, and one volume calculation model was raised. One comparison experimental system was designed, and 37m3 and 60m3 horizontal tanks were used as test object. It could be concluded from the experimental data that Compared to the volumetric method, the relative errors of both two test tanks were smaller than 0.4% at full range of liquid level, which was satisfied with the regulation of horizontal tank calibration. By using the method discussed, the calibration efficiency of horizontal tank volume can be improved greatly.
An Improved Quantum-Inspired Evolutionary Algorithm Based on P Systems with a Dynamic Membrane Structure for Knapsack Problems
Authors: Zhang Xue Bai , Zhang Ge Xiang , Cheng Ji Xiang
Published: December 2012

To improve the performance of Quantum-inspired Evolutionary algorithm based on P Systems (QEPS), this paper presents an improved QEPS with a Dynamic Membrane Structure (QEPS-DMS) to solve knapsack problems. QEPS-DMS combines quantum-inspired evolutionary algorithms (QIEAs) with a P system with a dynamic membrane structure. In QEPS-DMS, a QIEA is considered as a subalgorithm to put inside each elementary membrane of a one-level membrane structure, which is dynamically adjusted in the process of evolution by applying a criterion for measuring population diversity. The dynamic adjustment includes the processes of membrane dissolution and creation. Knapsack problems are applied to test the effectiveness of QEPS-DMS. Experimental results show that QEPS-DMS outperforms QEPS and three variants of QIEAs recently reported in the literature.
A Distributed Algorithm Based on RSSI for Intelligent Vehicle Localization
Authors: Ren Rui
Published: December 2012

Wireless sensor network is added on traditional GPS to realize double location in this paper. The widely used distributed distance measure algorithm of RSSI based in wireless sensor network is adopted. At the beginning work of this position system, unknown position node A broadcast its localization request, after all the base node received this request, they reply node A with its own location info and the RSSI value from other base node. Node A select the most closest base node as base to determine his own location, moreover, distance between base node and signal strength is take as reference to adjust the weight value of every base node, then the precise position is got after final calculation. In the end, precise of this algorithm is proved by simulation experiment.
The Research of Inspiring Students’ Thinking in Engineering Specialized Courses Teaching
Authors: Yang Wei Jun , Yu Jie , Jiang Peng Xiao , Yang Jian Yu
Published: December 2012

In the light of the engineering curriculums characteristics, according to the author's teaching experience, this paper undertake discussing some way to inspiring students’ thinking in engineering specialized courses teaching; And explored the engineering specialized courses teaching about before class - class - after class three links, teaching contents, multimedia applications and the applications of self-study guide method. It has a certain guiding significance to further improve the reform of engineering classroom teaching reform.
Comparison of Mid-Infrared Regular Transmittance Measurement
Authors: Feng Guo Jin , Wang Yu , Li Ping , Guo Ting Ting
Published: December 2012

To ensure measurement accuracy and reliable, and adapt to the development of the infrared transmittance calibration needs in China, this paper introduces the mid-infrared regular transmittance bilateral comparison organized by the China National Institute of Metrology. This comparison mainly focused on the wavelength band of 4000 cm-1-400cm-1(2.5μm -20μm). Technical protocol, facilities, measurement methods and conditions, and uncertainties from the participating laboratories have also been introduced.