Miracle-dz/UniFAR-FTUs huggingface dataset:
Electromagnetic interference suppression in stacked patch antenna using complementary split ring resonator

A novel attempt is made by creating the stacked sequences of two different frequencies that provide the intended performance by suppressing the harmonic interferences between them. This electromagnetic interference (EMI) is suppressed in stacked system by incorporating the circular complementary split ring resonator (CCSRR) in the ground plane. The proposed system consists of two patch antennas operating at 2 GHz and 4 GHz with CCSRR for harmonic suppression. The lower rung antenna operates at 2 GHz fed by inset feeding and the top rung antenna operates at 4 GHz fed by coaxial feeding such that both radiators share a common ground plane. The lower rung antenna (2 GHz) has its first harmonic at 4.02 GHz with the magnitude of 11.5 dB that ensue an EMI to the other antenna operating at 4 GHz (top rung antenna in the stacked system). By introducing the CCSRR beneath the microstrip feed line (2 GHz), the EMI is suppressed. The simulated and measured results are in good agreement. Moreover, the proposed antenna finds its application in radar target scanning, narrow band channel selector, and low power narrow band wireless receivers.
An Anthropological Perspective on the City and Mental Health

As practiced , ethnography means carrying out two distinct kinds of inquiry, two ways of knowing: what might be referred to (in shorthand) as "framework" and "fieldwork. " They relate to one another as context and story, discipline and caseat-hand, or history and action. But however formulated, a full anthropological account invariably includes both. "Framework" is concerned chiefly with "tracking] the condition" [2]; it monitors the changing configuration of local limits and pressures within which the object of study is situated. It includes all activities directed at the documentation of setting in its most encompassing sense from the genealogy of a program, to
Model predictive control for linear systems : adaptive, distributed and switching implementations

Thanks to substantial past and recent developments, model predictive control has become one of the most relevant advanced control techniques. Nevertheless, many challenges associated to the reliance of MPC on a mathematical model that accurately depicts the controlled process still exist. This thesis is concerned with three of these challenges, placing the focus on constructing mathematically sound MPC controllers that are comparable in complexity to standard MPC implementations. The first part of this thesis tackles the challenge of model uncertainty in time-varying plants. A new dual MPC controller is devised to robustly control the system in presence of parametric uncertainty and simultaneously identify more accurate representations of the plant while in operation. The main feature of the proposed dual controller is the partition of the input, in order to decouple both objectives. Standard robust MPC concepts are combined with a persistence of excitation approach that guarantees the closed-loop data is informative enough to provide accurate estimates. Finally, the adequacy of the estimates for updating the MPC's prediction model is discussed. The second part of this thesis tackles a specific type of time-varying plant usually referred to as switching systems. A new approach to the computation of dwell-times that guarantee admissible and stable switching between mode-specific MPC controllers is proposed. The approach is computationally tractable, even for large scale systems, and relies on the well-known exponential stability result available for standard MPC controllers. The last part of this thesis tackles the challenge of MPC for large-scale networks composed by several subsystems that experience dynamical coupling. In particular, the approach devised in this thesis is non-cooperative, and does not rely on arbitrarily chosen parameters, or centralized initializations. The result is a distributed control algorithm that requires one step of communication between neighbouring subsystems at each sampling time, in order to properly account for the interaction, and provide admissible and stabilizing control.
Laser bidezko prozesu gehigarrietarako hauts-elikagailuen azterketa eta kalibrazioa

EnglishA stable powder feeding system is a key element for achieving the desired results in powder-based processes, such as, Laser Metal Deposition (LMD). Therefore, in the present research paper a comparison between the different existing feeder configurations is presented. After analyzing their characteristics, it is concluded that for the LMD process gravitation-based rotatory feeders and fluidization-based feeders provide the best results. Besides, a methodology is proposed for obtaining the calibration curves of gravitation-based rotatory feeders and results are presented for various metallic powders, such as Inconel 718, AISI 316L and Stellite 6. It is concluded that the powder feeder behaves lineally, what eases its programming. Furthermore, a single equation that determines the real powder feed rate of different materials based on the rotation speed is determined. For this purpose, the packaging coefficient of the metallic particles is defined and calculated. EuskaraIkerlan honetan gaur egun fabrikazio gehigarri zuzenerako, ingelesez LMD deitua, erabiltzen diren hauts-elikagailuen alderaketa aurkeztu da. Bakoitzaren ezaugarriak aztertu ostean, LMD prozesurako egokienak zeintzuk diren ondorioztatu da: Grabitatean oinarritutako disko birakariko elikagailuak eta jariakortasunean oinarritutako elikagailuak. Gainera, gaur egun hedatuen dagoen elikatze-sistemaren, grabitatean oinarritutako disko birakariko hauts-elikagailua, material desberdinentzako kalibrazio-kurbak eskuratzeko metodologia proposatu da eta lorturiko emaitzak esperimentalki balioztatu dira. Kalibrazio-kurbak Inconel 718, AISI 316L eta Stellite 6 materialentzat kalkulatu dira, eta, lortutako emaitzetan oinarrituz, sistemaren portaera lineala dela ondorioztatu da. Bestalde, material desberdinen kalibrazio-kurbak definitzen dituen ekuazio bakarra zehaztu da; trinkotze-koefiziente deituriko parametroa erabili da horretarako.
Joint Collaborative Representation With Shape Adaptive Region and Locally Adaptive Dictionary for Hyperspectral Image Classification

A novel hyperspectral image (HSI) classification method based on joint collaborative representation with shape adaptive region and locally adaptive dictionary (SALJCR) is proposed in this letter. First, the shape adaptive (SA) region is selected for each pixel to exploit the neighboring spatial information adaptively. The average filtering (according to SA regions) is performed for the whole image. Then, based on the filtered image, a locally adaptive dictionary is constructed for each test pixel to reduce the negative impact of irrelevant pixels on representation. Finally, a joint collaborative representation method is applied to decompose the pixels and assign the class label. Experimental results demonstrate that the proposed SALJCR method outperforms some state-of-the-art classifiers.
An Enhanced Gain of Yagi-Uda Antenna with Folded Dipole for Amateur Radio VHF Band Application

This paper presents an enhanced gain of Yagi-Uda antenna with folded dipole for amateur radio Very High Frequency (VHF) band. The analysis is performed using CST Microwave Studio Suite software. The structure of this directional antenna integrates three main parts which are directors, reflectors and feeder point of 50 Ω. The performance of the proposed antenna has a tolerable reflection coefficient below -10 dB at 144.46 MHz. A maximum gain of around 14.03 dB with a good efficiency of 75.6% is achieved. The gain of the antenna increases up to 2% when added with 7 elements of reflector than with one element of reflector and enhanced significantly by 23.6% compared to the conventional Yagi-Uda antenna.
Penerapan Metode Standardized Precipitation Index (SPI) dalam Analisa Kekeringan Pada Das Ngasinan Kabupaten Trenggalek

Salah satu masalah bidang keairan yang krusial adalah kekeringan. Kekeringan dibagi menjadi 3 yakni kekeringan Metereologis, Hidrologis dan Pertanian. Kekeringan Meteorologis menitik beratkan kepada kekeringan yang ditandai dengan rendahnya curah hujan yang merupakan asumsi awal terjadinya kekeringan. Salah satu daerah di Indonesia yang sering diberitakan mengalami kekeringan adalah Kabupaten Trenggalek. Dalam studi kali ini daerah yang dijadikan lokasi studi adalah Das Ngasinan Kabupaten Trenggalek. Metode yang digunakan adalah Metode Standardized Precipitation Index (SPI). Metode ini merupakan model untuk mengukur kekurangan curah hujan pada berbagai periode berdasarkan kondisi normalnya. Perhitungan nilai SPI berdasarkan jumlah sebaran gamma yang didefinisikan sebagai fungsi frekuensi atau peluang kejadian. Setelah melakukan perhitungan indeks kekeringan akan dilakukan pembuatan peta sebaran kekeringan menggunakan Inverse Distance Weight (IDW) pada software Arc.Gis. Sedangkan untuk menguji kesesuaian hasil perhitungan maka dilakukan analisa kesesuaian dengan membandingkan hasil perhitungan indeks dengan data debit sungai dan El Nino. Hasil dari studi kali ini menunjukkan pada SPI periode defisit 1 bulan, nilai indeks kekeringan tertinggi sebesar -3,618 yang terjadi bulan November tahun 2006. Pada SPI periode defisit 3 bulan, nilai indeks kekeringan tertinggi sebesar -5,172 yang terjadi bulan Februari tahun 2014. Pada SPI periode defisit 6 bulan, nilai indeks kekeringan tertinggi sebesar -4.702 yang terjadi bulan Juni tahun 2007. Pada SPI periode defisit 12 bulan, nilai indeks kekeringan tertinggi sebesar -4,806 yang terjadi bulan Januari tahun 2008. Pada periode defisit 1 bulan kekeringan terparah terjadi pada bulan April tahun 1987, bulan Maret 1997, dan bulan Maret 2009. Kesesuaian indeks kekeringan dengan debit cukup bagus namun terdapat beberapa tahun pengamatan yang hanya memiliki prosentase 36%, untuk kesesuaian dengan El Nino mempunyai rata-rata kesesuaian 54%.
Hypoglykämien bei malignem Hämangioperizytom der Leber

HISTORY AND ADMISSION FINDINGS A seventy-seven year-old woman with an unclear tumor of the liver suffered from recurrent hypoglycemia and was therefore admitted to our hospital. As diabetes mellitus, hyperinsulinism and reactive forms of hypoglycemia could be excluded, the presumptive diagnosis was non-islet-cell tumor hypoglycemia (NICTH). INVESTIGATIONS Postprandial glucose levels were normal. Fasting glucose levels were 30 - 50 mg/dl. Plasma insulin-like growth factor (IGF)-I was below the normal range, IGF-II was not elevated, although 34 % of plasma IGF-II was present as "big"-IGF-II. IGF-binding protein (IGFBP)-2 was extremely elevated, whereas IGFBP-3 was within the normal range. Histological examinations of the tumor revealed a hemangiopericytoma of the liver. TREATMENT AND COURSE : After a 2-month treatment with steroids and an experimental antiangiogenetic therapy, the glucose metabolism became stable. The tumour did not grow. Simultaneously, plasma IGF-II and "big"-IGF-II remained constant and plasma IGF-I level improved slightly. IGFBP-2, which is presumable produced by the tumor, increased, IGFBP-3 fell below the normal range. CONCLUSION NICTH is a rare but important differential diagnosis of recurrent hypoglycemia. The tumor derived IGF-II has a higher than normal molecular weight ("big"-IGF-II) and shows different interactions with binding proteins, thus resulting in an increased bioavailability. An increased glucose uptake in different tissues as well as inhibition of hepatic gluconeogenesis and lipolysis lead to severe hypoglycemia. If surgical therapy of the tumor is not possible, symptomatic treatment with steroids may represent an effective alternative to control severe hypoglycemia.
Review of measurements used in computing education research and suggestions for increasing standardization

ABSTRACT Background and context: The variables that researchers measure and how they measure them are central in any area of research, including computing education. Which research questions can be asked and how they are answered depends on measurement. Objective: To summarize the commonly used variables and measurements in computing education and to compare them to best practices in measurement for human-subjects research. Method: Systematic literature review analyzing 197 papers published during 2013–2017 in computing education research venues. Findings: The review illuminates common practices related to: variables measured (including learner characteristics), measurements used, and type of data analysis. The paper lists standardized measurements that were used and highlights commonly used variables for which no standardized measures exist. Implications: The paper concludes with information about best practices currently being used in the community that should be continued, as well as pointing out practices that could be improved along with recommendations for how to begin to adopt those best practices.
Improving unsupervised saliency detection by migrating from RGB to multispectral images

Saliency detection has been an important topic during the last decade. The main goal of saliency detection models is to detect the most relevant objects in a given scene. Most of these models use RGB (Red, Green, Blue) images as an input because they mainly focus on applications where features (eg, faces, textures, colors, or human sil-houettes) are extracted from color images, and there are many labeled databases available for RGB-based saliency data. Nevertheless, the use of RGB inputs clearly limits the amount of information from where to extract the salient regions as spectral information is lost during the color image recording. On the contrary, multispectral systems are able to capture more than three bands in a single capture and can retrieve information from the full spectrum at a pixel. The main aim of this study is to investigate the advantages of using multispectral images instead of RGB images for saliency detection within the framework of unsupervised models. We compare the performance of several unsupervised saliency models with both RGB and multispectral images using a specific dataset of multispectral images with ground-truth data extracted from observers' fixation patterns. Our results show a general improvement when multispectral information is taken into account. The saliency maps estimated by using the multi-spectral features are closer to the ground-truth data, with the simplest Graph-based visual saliency and Boolean Map-based models showing good relative gain compared with other approaches.
Locality Preserving Hashing based on Random Rotation and Offsets of PCA in Image Retrieval

Manifold-based subspace feature extraction methods have recently been deeply studied in data dimensionality reduction. Inspired by PCA Hashing (PCAH), if the Locality Preserving Projection (LPP) is directly used in the hash image retrieval, it is prone to shortcomings such as being inefficient and time-consuming. In order to address these deficiencies, this paper mainly combines Principal Component Analysis (PCA) and manifold subspace feature extraction method LPP, and we present a RLPH framework using random rotation. Among them, PCA processing solves the eigenvalue problem encountered in the calculation of LPP, thereby improving the recognition effect of the algorithm. The PCA projection needs to ensure that the variance of the sample points after projection is as large as possible. However, projections of small variance may produce unnecessary redundancy and noise. Therefore, in the subspace after the PCA projection, we only extract the eigenvectors that contain most of the information at the top of the PCA projections. Then, we utilize a random orthogonal matrix to randomly rotate and shifts the eigenvectors and the reduced-dimensional sample obtained after the top eigenvectors of the PCA projection is subjected to LPP mapping. Random rotation produces many thin projection matrices blocks that are then concatenated into one final projection matrix. Random rotation is a key step in this paper that minimizes the quantization error for codes. The proposed method greatly improves the retrieval efficiency, and extensive experiments demonstrate its effectiveness.
Alteraciones lingüísticas en el trastorno específico del lenguaje

Introduccion y desarrollo. Los ninos con trastorno especifico del lenguaje (TEL) tienen dificultades en alguna o todas las dimensiones del lenguaje (fonologia, morfologia, sintaxis, semantica y pragmatica). Cuando estan adquiriendo el lenguaje expresivo presentan dificultades fonetico-fonologicas consistentes en una capacidad fonetica restringida, que limita las oportunidades de practicar y ampliar su repertorio y que se manifiesta desde la epoca de balbuceo. Tambien se observa una configuracion silabica restringida junto con un inventario consonantico limitado, producciones inusuales de sonidos, un sistema fonologico mas retrasado y en definitiva una deficiente inteligibilidad. Los problemas gramaticales de los ninos con TEL se manifiestan en el desarrollo de los morfemas flexivos, en la organizacion gramatical de los sintagmas en las oraciones, asi como en la utilizacion adecuada de la concordancia gramatical entre las distintas palabras y proposiciones que constituyen la estructura de las oraciones. Conclusiones. El desarrollo de la morfologia verbal guarda relacion con la adquisicion lexica. A nivel lexico encontramos dificultades para aprender nuevas palabra de modo incidental, problemas para almacenar en la memoria a corto plazo las formas fonologicas de nuevas palabras y para crear y almacenar representaciones lexicas elaboradas, asi como dificultades de procesamiento auditivo. Por tanto, las habilidades linguisticas de los ninos no podemos concebirlas como sistemas autonomos, sino que todos los niveles estan interrelacionados.
N-SAT in P with Non-Coherent Space Factorization

We know since Cook that Boolean satisfiability problems with at least three literals in each clauses are in NP and are NP-complete. With proving that 3-SAT (or more) is in P, corollary proves that P = NP. In this document, we explain how to find a SAT problem solution in polynomial complexity time.
EFEK RADIOTERAPI TERHADAP JUMLAH LEUKOSIT DAN KADAR HEMOGLOBIN PADA PENDERITA KARSINOMA NASOFARING : (Peneitian observasional analitik dengan pendekatan serial waktu)

Backgrounds: The haemopoetic system, which consists of organs and cells circulating in the vessels, among them is the leucocyte which play role in the body’s immunity. The other part is erythrocyte, consists of haemoglobin which play role in the body’s oxygenation. Radiotherapy administered to the whole body cause disturbance on the haemopoetic system. However, the real question lays upon why radiation done on the head and neck area like what is given to nasopharyngeal carcinoma (NPC) patients can trigger disturbance on the haemopoetic system especially concerning the quantity of leucocyte and haemoglobin level. Objective: To reveal the fact that radiotherapy poses some effect on the quantity of leucocyte and haemoglobin level. Methods: This study was an observasional analytic with a time series approach. Samples were obtained from a patient population whose meet the inclusion criteria: no other tumour, never received radiotherapy before, currently not receiving citostatic therapy, and reaches the Karnovsky index more than 70. Drop-out is defined when the patient refuses to continue therapy, age more than 65 years old and if the patients dies. Total samples were 30 patients. Radiotherapy was performed by external radaition with a Co-60 equipment. The field of ray was latero-lateral. The fracsination dosage was 200 rad/day given 5 days a week to reach the dose of 1000 rad/week. The quantity of leucocyte an haemoglobin level were examined; before radiation, on total radiation of 2000 rad, 4000rad and 6000 rad. The quantity of leucocyte was examined using counting chamber and haemoglobin level was examined using Sahli’s method. The data analysis was performed using ANOVA parametric statistical test. Results: There were significant difference between leucocyte count and hemoglobin level in the groups studied (p < 0,05.) Conclusion: Radiotherapy performed on NPC patients is proven to decrease the quantity and haemoglobin level. Keywords: Radiotherapy, NPC, leucocyte quantity and haemoglobin level.
Design of Compact Common Radiator MIMO Antenna for X Band Applications

A compact common radiator multi input multi output diversity antenna for X band wireless services is proposed in this paper. The antenna is printed over a low cost material in a space of 24.1x24. 1 mm 2 employing defected ground isolation which helps in size reduction as well. The antenna also employs polarisation diversity by feeding the common radiator in orthogonal fashion. The antenna is resonant over the entire X band showing stable performance in terms of matching, reflection coefficient, gain, directivity, ECC and radiation efficiency. The simulations are carried out in Advanced Design System simulator and performance evaluated.
An Ecological Approach to Smart Homes for Health Care Services: Conceptual Framework of a Smart Servicescape Wheel

Background Smart homes are considered effective solutions for home health care for the elderly, as smart home technologies can reduce care costs and improve elderly residents’ independence. To develop a greater understanding of smart homes for health care services (SHHSs), this study accentuated the necessity of ecological approaches with an emphasis on environmental constraints. This study was based on 2 rationales: (1) users are inclined to perceive the service quality and service experience from environments (ie, servicescape) owing to the intangibility of health care and the pervasiveness of smart home technologies, and (2) both service domains are complex adaptive systems in which diversified and undefined service experiences—not only a few intended service flows—can be generated by complex combinations of servicescape elements. Objective This study proposed the conceptual framework of a Smart Servicescape Wheel (SSW) as an ecological approach delineating the extensive spectrum of environmental constraints in SHHSs. Methods The SSW framework was established based on a literature review. Results Generally divided by perceptible and imperceptible servicescapes, the SSW consists of the perceptible Physical scape (ie, hardware components, environmental cues, and human states) and Social scape (ie, service relationships and social relationships) as well as the imperceptible Datascape (ie, computing intelligence, databases, and communication networks). Following the ecological approach, each category of the SSW is subdivided and defined at the level of components or functions. Conclusions The SSW’s strengths lie in the various application opportunities for SHHSs. In terms of service planning and development, the SSW can be utilized to (1) establish the requirements for SHHS development, (2) associate with work domain analysis by defining component layers, and (3) understand the real contexts of SHHSs for the enhanced prediction of diverse service experiences. Regarding service management, it can be applied to develop measurement items for the operation and evaluation of SHHSs.