Miracle-dz/UniFAR-FTUs huggingface dataset:
Experimental quantum randomness generation invulnerable to the detection loophole

Random numbers are essential for multiple applications, including cryptography, financial security, digital rights management and scientific simulations. However, producing random numbers from a finite state machine, such as a classical computer, is impossible. One option is to use conventional quantum random number generators (QRNGs) based on the intrinsic uncertainty of quantum measurement outcomes. The problem in this case is that private randomness relies on assumptions on the internal functioning of the measurement devices. "Device-independent" QRNGs not relying on devices inner workings assumptions can be built but are impractical. They require a detection efficiency that, so far, has only be achieved with trapped ions and with photons detected with transition-edge superconducting sensors. Here we introduce a novel protocol for quantum private randomness generation that makes no assumption on the functioning of the devices and works even with very low detection efficiency. We implement the protocol using weak coherent states and standard single-photon detectors. Our results pave the way towards a second generation of more secure practical QRNGs.
Offshore Unexploded Ordnance Detection and Data Quality Control—A Guideline

The detection of old submerged ammunition that is located on or below the seabed is an important preparatory work for offshore projects. Multibeam echosounder, side-scan sonar, sub-bottom profiler, and magnetometers are the sensor types that are most commonly used for the task. Survey design decisions center around both detection campaign efficiency and sufficient data quality to find specific reference objects. This article presents a comprehensive workflow for unexploded ordnance surveys in the sea and focuses on aspects of quantitative data quality control. For this purpose, data quality factors and corresponding threshold values were developed for each of the main sensor types. The authors designed and moderated a workshop-based stakeholder engagement process to establish expert consensus on suitable data quality factors and appropriate calculation of thresholds that define which data are sufficient and which are not. This approach was accompanied by a literature review of existing guidelines, standards, and survey recommendations. A quantitative description of data quality eases analyzing and comparing newly acquired and existing data. This article presents the results of this process, thereby providing guidance for the planning, execution, and quality control of a technical investigation with the aim of finding unexploded ordnance in the sea. The defined data quality factors derived from the literature review and collective expert knowledge can be used in the suggested workflow.
Vertically-Polarized/End-Fire Phased Array with Folded-Slot Resonators for Cellular Communications

This study aims to introduce a new phased array design with end-fire and vertically-polarized radiation for future cellular networks. The procedure of the array design is simple, accomplished on a single layer substrate material. Its schematic involves eight slot-loop elements with a 1×8 linear arrangement at the edge of the mainboard having FR4 material with 1.6 mm thickness. For maximum area utilization purposes, the proposed antenna elements occupy a small area with respect to the whole board area. The antenna elements are chosen based on the complementary structure of folded dipoles with different polarization covering the range of 24-30 GHz supporting 26, 28, and 30 GHz sub-mm-wave 5G bands. The proposed array appears with a simple design, low complexity profile, and its attractive broad impedance bandwidth, end-fire radiation mode, vertical polarization, and stable characteristics meet the needs of 5G applications in future cellular communications.
Customer Churn Identifying Model Based on Dual Customer Value Gap

The customer churn and the forecast of customer churn have been important research topics for a long time in the academic domain of customer relationship management. The customer value is studied to construct a gap model based on dual customer values; a basic description of customer value is given, then the gaps between products and services in different periods for the customers and companies are analyzed. The main factors that influence the perceived customer value are analyzed to define the “recognized value gap” and a gap model for the dual customer value is constructed. Based on the dual customer gap a con? ceptual model to determine potential churn customers is proposed in the paper.
Exploring potential reasons for the increase in the East Asian Greylag Goose Anser anser population by assessing habitat use and use of protected areas

Summary Among the six sympatric swan and goose species wintering in the Yangtze River floodplain, only Greylag Goose Anser anser and Bean Goose A. fabalis showed increasing population trends in the last 20 years. Until now, almost nothing was known about the Greylag Geese breeding on the eastern Mongolian Plateau, which we now know mostly winter in the Yangtze River floodplain. We applied GPS transmitters to 20 Greylag Geese in the Yangtze River floodplain and eastern Mongolia, providing complete tracks of their movements in summer, winter, spring and autumn (n = 6, 8, 8, 7). We overlaid these locations on GIS layers of habitat type and national-level protected areas, and modelled their habitat selection. Geese summered in Dauria Region, Huihe National Nature Reserve, and Wulagai Wetlands (from where 55% of GPS fixes were located in protected areas), wintered in Poyang Lake, Longgan Lake, and Anqing Lakes (43%), and staged around Bohai Bay, Xila Mulun River, and Wulagai Wetlands (spring, 48%; autumn, 45%). Geese mainly used natural ecosystems in summer (essentially grasslands and wetlands/water bodies), but in the other three seasons, used croplands between 17% (spring) and 46% (winter) of the time, with most of the rest of the time spent on wetlands/water bodies. Geese were frequently associated with wetlands and areas close to lakes/wetlands in all seasons, and cropland during winter and spring/autumn migration. These results suggest Greylag Geese in this biogeographical sub-population have increasingly shifted to feeding in croplands during the non-breeding season and enjoy the benefit of using protected areas throughout the year. We infer that these factors could have potentially contributed to elevated survival and reproductive success (relatively high among sampled flocks in recent years) which could explain the favourable conservation status of this population of Greylag Geese in recent years compared to other sympatric wintering goose and swan species.
Clinical and Hematological Parameters of Captive Timor Deer (Rusa timorensis) under Physical Restraint

Timor deer (Rusa timorensis) is native species in Indonesia that faces many threatening issues. Studies related to the health aspects of Timor deer are considered essential to provide some information related to deer health management in captivity. Deer handling procedures in captivity in Indonesia are commonly carried out with physical restraint. Physical restraint in animals is known to cause various changes in animals’ clinical and hematological values. This study aimed to determine the clinical and hematological parameters of Timor deer under physical restraint in captivity. This study used ten Timor deer that consisted of five stags and five hinds. The deer was positioned in a chute, then continued with the physical examination and blood sampling. Parameters observed in this study are clinical and hematological parameters. This study showed that clinical parameters of Timor deer under physical restraint have significant differences between sex groups, except for respiration rate parameters. Hematological parameters of physically restrained Timor deer did not show significant differences between sex groups, except for basophil parameters. This study concluded that physical restraint could affect the clinical and hematological parameters of Timor deer.
Common and Differential Modes Filter for the PFC Boost AC/DC LED Driver

Almost the entire power conversion to switching mode, the systems generate electromagnetic noise. Passive LC type EMI filters are widely used to mitigate electromagnetic interference. This paper describes the design of an electromagnetic interference filter (EMI) for the AC/DC converter PFC boost powers the LEDs lamps in order to reduce the emissions conducted in common mode and differential mode meeting the limits of the standard CISPR 22 class B in the frequency range 150 kHz to 30 MHz. The simulation circuit is performed on LTspice Software, the system consists of the PFC Boost LED driver, the EMC filter, the line impedance stabilizer network (LISN). The LISN has been placed to the input and output of LED driver, even between the Bridge Rectifier and PFC Boost DC/DC. Then two Filters Types were chosen, in order to measure the attenuation and the disturbance in the leads. The comparison between the two filters in the total distortion harmonic and the disturbances conducted in the 10 Hz to 150 kHz frequency range was shown in the last part of this work.
A broadband microstrip patch antenna with multiple open slots

To construct a wideband microstrip patch antenna, the air‐filled dielectric substrate is used, 3 open slots are loaded perpendicular to the radiating edge of the rectangular patch element, and an asymmetric feed point is selected. The experimental results show that the proposed antenna can achieve a relative bandwidth of >40% when the thickness of the air dielectric substrate is about 0.08 wavelengths. The analysis results indicate that the antenna resonant mechanism at lower frequencies is different from that at higher frequencies. The low frequency radiation is typical linear polarization, while the high frequency radiation has the rotating field characteristic and therefore has large cross polarization component. However, the gain in the working frequency band is above 8.5 dBi, indicating that the proposed antenna has high directivity.
Groupes analytiques p-adiques

© Association des collaborateurs de Nicolas Bourbaki, 1964, tous droits réservés. L’accès aux archives du séminaire Bourbaki (http://www.bourbaki. ens.fr/) implique l’accord avec les conditions générales d’utilisation (http://www.numdam.org/conditions). Toute utilisation commerciale ou impression systématique est constitutive d’une infraction pénale. Toute copie ou impression de ce fichier doit contenir la présente mention de copyright.
On the Implementation and Security Analysis of Routable-GOOSE Messages Based on IEC 61850 Standard

Advanced smart grid applications such as wide-area monitoring, protection, and control (WAMPAC), considerably depend on the synchrophasor measurements gathered from different locations of the power grid. These timestamped measurements are provided by Phasor measurement units (PMUs) and phasor data concentrators (PDCs). These devices are optimally deployed at selected nodes in the grid. PMUs and substation PDCs are routable protocol-based network devices and comply with the IEEE C37.118 standard. Since the PMUs generally communicate through a public wide area network, they are vulnerable to cyberattacks. As a result, these vulnerabilities lead to compromised data integrity, confidentiality, and availability of the smart grid. To cover the cybersecurity vulnerabilities in synchrophasor communication and achieve compatibility between the data transfer based on IEEE C37.118. 2 with IEC 61850 standard, IEC 61850-90-5 was released. This part of the standard includes security measures to achieve authentication, integrity, and confidentiality if required. In this work, we implemented publisher and subscriber libraries capable of routing secure GOOSE messages while respecting the time delay specifications set by the IEC61850 standard. The performance of encryption and authentication algorithms was assessed and experimentally verified. In addition, the proposed framework's robustness against cyber-attacks was evaluated.
Research Review of Coal Mine Water Treatment Technology

A large amount of mine water is produced during coal mining. The treatment and reuse of mine water is a significant research topic in the environment with shortages of water resources. In this paper, the characteristics of coal mine water are systematically reviewed based on previous studies. The water quality conditions of coal mine water, the particle size of suspended particles, and the aggregation stability of particles in coal mine water were reviewed in summary. The application of Stokes law and EDLVO theory in the field of water sedimentation in coal mines is illustrated. The types of sedimentation tanks used in the settlement of coal mine water and their characteristics are also reviewed according to the treatment technology. It provides significant assistance in the selection of sedimentation tanks. And a brief analysis of the future development trend and research focus of coal mine water treatment technology was made in the end.
Algorithm for the Synthesis of a Neural Network Controller for a Multi-Channel System

The neural network approach to solving the problem of automatic control system synthesis has shown its effectiveness for plants containing nonlinearities of various nature. However, the use of such an approach can be difficult due to the lack of a formalized method of choice: sufficient, but not redundant neural network architecture and initial parameters of weighting coefficients. This paper presents a formalized procedure for the synthesis of a neural network controller for a nonlinear plant based on information about the controller calculated for a linearized model of the plant. This procedure allows you to obtain a non-redundant neural network architecture. In addition, the issue of initialization of the weighting coefficients of the neural network is being solved. As an example of the algorithm operation, the case of solving the control problem with a non-linearized model of an inverted pendulum on a cart is given. This problem is a classic test example of a multichannel unstable plant with a non-square matrix transfer function. An example of using a block diagram of the controller in a matrix form is given, which allows considering multi-channel plants in a compact form. Some structural transformations of the neural network controller are proposed to simplify the procedure of its training. The resulting neural network controller allows you to expand the possibilities of controlling a plant containing nonlinear parameters.
Importance of Antioxidant Supplementation during In Vitro Maturation of Mammalian Oocytes

Simple Summary In vitro embryo production (IVEP) is a technology that is widely used in the field of reproductive biology. The first and most important step of IVEP is termed in vitro maturation or IVM, in which the oocyte is allowed to mature in a synthetic medium under controlled laboratory settings. The quality of in vitro matured oocytes is still low compared to that of those matured inside an animal’s body. One of the key elements that was found to affect oocyte quality is the accumulation of large amounts of reactive oxygen species (ROS) within oocytes during IVM. The addition of antioxidants to oocyte IVM media is one of the most effective methods for preventing ROS accumulation. In this article, we highlight the latest events showing how ROS harms mammalian oocytes. We also discuss the possible impacts of antioxidant supplementation on the IVM rate and oocyte quality. Abstract The in vitro embryo production (IVEP) technique is widely used in the field of reproductive biology. In vitro maturation (IVM) is the first and most critical step of IVEP, during which, the oocyte is matured in an artificial maturation medium under strict laboratory conditions. Despite all of the progress in the field of IVEP, the quality of in vitro matured oocytes remains inferior to that of those matured in vivo. The accumulation of substantial amounts of reactive oxygen species (ROS) within oocytes during IVM has been regarded as one of the main factors altering oocyte quality. One of the most promising approaches to overcome ROS accumulation within oocytes is the supplementation of oocyte IVM medium with antioxidants. In this article, we discuss recent advancements depicting the adverse effects of ROS on mammalian oocytes. We also discuss the potential use of antioxidants and their effect on both oocyte quality and IVM rate.
Advanced Econometric Theory

Preface 1. Multivariate Analysis and the Linear Regression Model 2. Least-Squares and Gauss-Markov Theory 3. Multicollinearity and Reduced-Rank Estimation 4. The treatment of Linear Restrictions 5. Stein Estimation 6. Autocorrelations of Residuals-1 7. Autocorrelations of Residuals-2 8. Simultaneous Equations 9. Solutions to the Exercises
Passive temperature sensor tag based on quasi-BIC

In this work, a highly sensitive temperature sensor based on bound states in the continuum (BIC) was proposed. A ceramic resonator with a half-cylindrical shape placed above a ground plane and designed to support high-quality factor supercavity modes. Experimentally, the sensor has been demonstrated to operate in a wide temperature range, from 25 to 105 ºC, with a resolution of 0.2 °C. The sensor's high-precision performance is based on the use of high-quality ferroelectric ceramics capable of supporting the confined modes with a high quality factor of more than 1000.
Does the Ability to Choose Matter? On the Relationship between Bring-your-own Behavior and IT Satisfaction

Employees increasingly complete organizational tasks using privately owned consumer technologies such as private devices (e.g., smartphones) or private Internet accounts (e.g., email accounts). Higher satisfaction constitutes a major reason for this bring-your-own behavior (BYOB). However, little research has theoretically explored and empirically tested this assumption. This study sheds light on this phenomenon by analyzing the effect of BYOB on IT satisfaction. Drawing from social cognitive theory, we propose choice self-efficacy as a new construct that intermediates the relationship between BYOB and IT satisfaction. Building on results from survey data (n = 400), we provide new evidence that BYOB has a positive effect on IT satisfaction whereby choice self-efficacy plays a vital element as it mediates this relationship. Since IT satisfaction shapes how people use technology and how they perform with it, we derive important implications for future research on IT consumerization. Furthermore, we provide several conclusions for practitioners and discuss how to enhance IT satisfaction and choice self-efficacy.
Analytical Model of the Vertical Pinned Photodiode

This article presents a simple analytical model of the vertical pinned photodiode (PPD). In the existing pixels with relatively large sizes, the photodiode is formed byp+-n-p doping in a planar manner, and thus the vertical electric field determines the potential of the photodiode. However, as the pixel size becomes smaller, the size of the photodiode also decreases. Accordingly, the influence of the doping concentration in the periphery becomes larger and the pinning voltage is eventually predominantly determined by the horizontal electric field in the submicrometer region. In this case, the analytical model describing the conventional photodiode structure is no longer applicable. Therefore, in this article, a simple analytical model applicable to a small pixel size is provided and verified through TCAD simulation. It is thought that the proposed simple model helps understand the potential of small pixel size and provides a major starting point for design.
High accuracy ranging method of FMCW detector based on Fourier coefficient interpolation

Frequency modulated continuous waveform(FMCW) detector has a simple structure, and is widely applied in altimeter, radio fuze and automobile assisted driving. To obtain a higher ranging accuracy, this paper proposed a ranging method based on Fourier coefficient interpolation. It estimates the frequency of the beat signal by a two stage approach frequency estimation algorithm. A FFT is adopted to complete rough frequency estimation, and an non-iterative interpolating Fourier coefficients is taken to finish the finite frequency estimation. Simulation shows that the method proposed in this paper can significantly improve the ranging accuracy of the FMCW detector even under the SNR= −10dB.
A Relationship Between Vacuum Arc Characteristics and Short-Circuit Current Interrupting Capability at Minimum Arcing Times

The study is to explore a relationship between vacuum arc characteristics and short-circuit current interrupting capability of a fast vacuum circuit breaker (FVCB) at a minimum arcing time. Both a short-circuit current interruption test and an arc mode transition observation test were carried out to explore the relationship. Firstly, an FVCB with ceramic enclosure vacuum interrupter (VI), in which a pair of axial magnetic field (AMF) contacts were arranged, was operated with three different opening speeds to interrupt short-circuit currents. A Weil synthetic circuit provided short-circuit currents of 20, 30, and 40 kA, and a transient recovery voltage (TRV) of 92 kV/ $120~\mu \text{s}$ for the short-circuit current interruption capability experiment. Then, the arc mode observation experiment was carried out under the same conditions as the short-circuit current interruption capability experiment, except for two differences, that is, a glass enclosure VI without a shield was used for observing the arc with a high-speed camera, and the other point was that only the short-circuit current was applied and no TRV was applied. Experimental results showed that the increase in the opening speed resulted in a decrease in the minimum arcing time, the critical arc extinguishing gap, and the critical arc diffusion time, but led to an increase in the maximum arc column diameter. In contrast, the increase in the short-circuit current would increase the minimum arcing time, the critical arc extinguishing gap, the critical arc diffusion time, and the maximum arc diameter. The diffusion of the arc column is essential but not sufficient for the successful interruption. The contact gap plays a significant role. On the one hand, a larger contact gap promotes arc diffuse. The arc diffusion can decrease the contact surface temperature and the local particle density at current zero. On the other hand, a larger gap distance leads to a smaller electric field intensity between fixed and moveable contacts, which reduces the breakdown probability during the postarc dielectric recovery. The critical arc energy density for a successful interruption of the FVCB in short arcing times was obtained to range from 0.54 to 1.01 $\times \,\,10^{8}$ J/m3.
Enhancement of Bandwidth of Equilateral Triangular Microstrip Antenna using Nanoparticles

This paper presents equilateral triangular microstrip antenna for wireless applications. The antenna consist of glass epoxy substrate material with relative permittivity 4.2 and thickness (h) is 0.16cm. The proposed antenna is resonates at 6.6 GHz with bandwidth of 4.54%, after loading the iron nanoparticles on the radiating patch of the antenna resonates for 4.1 GHz, 6.1Ghz, 7.3GHz and 11.3 GHz respectively, with enhancement of bandwidth up to 26.02%. The proposed antenna is suitable for Wi-Fi, radar and satellite communication applications. The experimentally measured and calculated antenna parameters such as return loss, VSWR, radiation pattern and gain are presented.