2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)最新文献

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Section 2 Microwave Technology and Telecommunications 第二节微波技术与电信
{"title":"Section 2 Microwave Technology and Telecommunications","authors":"","doi":"10.1109/edm52169.2021.9507565","DOIUrl":"https://doi.org/10.1109/edm52169.2021.9507565","url":null,"abstract":"","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116235830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Eight-Channel Polychromator for Spectral Measurements in the Frequency Band of 0.1-0.6 THz 用于0.1-0.6 THz频段光谱测量的八通道多色仪
A. V. Arzhannikov, I. Ivanov, S. Kuznetsov, D. Samtsov, P. Lazorskiy, A. V. Gelfand
{"title":"Eight-Channel Polychromator for Spectral Measurements in the Frequency Band of 0.1-0.6 THz","authors":"A. V. Arzhannikov, I. Ivanov, S. Kuznetsov, D. Samtsov, P. Lazorskiy, A. V. Gelfand","doi":"10.1109/EDM52169.2021.9507604","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507604","url":null,"abstract":"Spectral measurement of a flux of electromagnetic waves in a frequency range from 0.1 to 0.6 THz is a complex and demanded task. A special device called a polychromator was developed in order to provide measurements of spectral power density distribution in the given spectral range with high time resolution. This paper presents the description of the units of the polychromator and the results of conducting the calibration procedure for its frequency selective channels.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115957351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Development and Verification of Smart-Contracts for the ScientificCoin Platform 科学币平台智能合约的开发与验证
Evgenii Zhdarkin, I. Anureev
{"title":"Development and Verification of Smart-Contracts for the ScientificCoin Platform","authors":"Evgenii Zhdarkin, I. Anureev","doi":"10.1109/EDM52169.2021.9507717","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507717","url":null,"abstract":"We study the process of creating and testing models of programs in the Solidity language (smart-contracts) for the ScientificCoin crowdfunding platform. This platform is an Internet portal for investing in high-tech projects using blockchain technology. We examine the security of the blockchain-based method of conducting money transactions implemented on this platform and the approach to test and to verify used program code. We analyze the tools and algorithms which allow us to formalize the life cycle of the code in the blockchain system. An example of creating a smart-contract model and the way of checking the feasibility of its functional properties and the truth of invariants using the SMT solver are considered.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123793672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of the Least Squares Method to Estimate the Gain of the Mathematical Model of the Aircraft Structure Strength Test Bench 应用最小二乘法估计飞机结构强度试验台数学模型的增益
V. Yurkevich, M. Trubin, Vitaliy G. Trubin
{"title":"Application of the Least Squares Method to Estimate the Gain of the Mathematical Model of the Aircraft Structure Strength Test Bench","authors":"V. Yurkevich, M. Trubin, Vitaliy G. Trubin","doi":"10.1109/EDM52169.2021.9507721","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507721","url":null,"abstract":"The problrm of the improving accuracy of carrying out resource and static strength tests of elements of structures of aviation and space technology is considered. Increased accuracy of power loading of structures is achieved by evaluation of gain of control channel of electrohydraulic test bench during fatigue testing, where the gain can vary within wide limits depending on properties of test object and characteristics of electrohydraulic drive. The least squares method with a sliding window is used as the method for identifying this coefficient. Then the obtained gain estimate is applied to adapt the parameters of the electrical drive controller of the bench. Proposed approach makes it possible to increase accuracy of implementation of the desired profile of power loading of structures, as well as to eliminate possibility of occurrence of high-frequency oscillations in control loop. The results of the experimental test of the proposed approach on a single-channel test bench are given too.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132601984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
AC Voltage Regulators Review 交流稳压器回顾
A. V. Udovichenko, Alena D. Kovetskaya
{"title":"AC Voltage Regulators Review","authors":"A. V. Udovichenko, Alena D. Kovetskaya","doi":"10.1109/EDM52169.2021.9507725","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507725","url":null,"abstract":"In the present time, there are a lot different AC voltage converters topologies, such as AC voltage regulators, frequency converters, and electronic transformers. The AC voltage regulators are necessary to regulate and stabilize the output voltage in the full regulation range. Frequency converters allow converting the frequency of the output signal and also to regulate the AC signal amplitude. Electronic transformers allow coordinating the circuit with the load allow obtaining the required voltage level. In this article will be considered the known and proposed topologies of AC voltage regulators and will be offered a comparison with the known models of devices. Regulators will be classified based on the presence of a transformer. The main indicator by which the devices will be compared is quality indicators. The comparison will be conducted among the devices of the end of the 20th century and the beginning of the 21st.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133907924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determining Individual Relative Share Contributions of Nonlinear Loads in Overall Distortions of AC Power Line Voltage and Current 确定交流电源线电压和电流整体畸变中非线性负载的相对贡献
N. Lopatkin, G. Zinoviev, A. Udovichenko
{"title":"Determining Individual Relative Share Contributions of Nonlinear Loads in Overall Distortions of AC Power Line Voltage and Current","authors":"N. Lopatkin, G. Zinoviev, A. Udovichenko","doi":"10.1109/EDM52169.2021.9507701","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507701","url":null,"abstract":"The paper provides the assessment method of the voltage and current THD values of some AC power line in the presence of an arbitrary number of some higher-harmonics-producing nonlinear loads. The technique is generalized here to the case of the presence of some equivalent non-sinusoidal EMF and the parameters R and L, which are reflecting its nonideal nature, and the compensating capacitance C. This approach is based on the method of the algebraization of the differential equations. The technique makes it possible not only to predict the quality of the supplying AC power under certain known analytical descriptions or measured waveforms of the nonlinear loads' currents and the EMF, but also to assess their individual relative share contributions in the overall distortion of power quality. The offered method and considered equations may be useful for researchers and practical engineers dealing with AC power network both at the design and monitoring stages.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131683335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A System for Visualizing the Three-Dimensional Spherical and Elliptic Spaces 三维球面和椭圆空间的可视化系统
Denis I. Migranov
{"title":"A System for Visualizing the Three-Dimensional Spherical and Elliptic Spaces","authors":"Denis I. Migranov","doi":"10.1109/EDM52169.2021.9507602","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507602","url":null,"abstract":"Non-Euclidean geometries and spaces find application in various fields of knowledge. The possibilities of computer graphics and visualization make it possible to present such spaces in a way that makes it easy to explore their properties even for people who are not acquainted with the mathematics of non-Euclidean geometry. Not only that, it is also possible to add some interactivity and allow users to explore such spaces freely. In this paper, we present a system for visualizing three-dimensional spherical and elliptic spaces, which are two examples of non-Euclidean spaces. First, we describe the theoretical basis and some algorithms the system is built upon: the group-theoretic way of exploring non-Euclidean spaces and defining transformations of objects lying in them, an algorithm for implementing camera controls similar to those seen in first-person video games, and an algorithm for implementing the distance fog effect in such spaces. Then, we describe the system created based on these approaches and its capabilities.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"128 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131985954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Radiation of Radio Pulses Excited in a Nonlinear Transmission Line with Periodically Arranged Diodes Based on GaAs Structures 基于砷化镓结构的周期性排列二极管非线性传输线激发的射电脉冲辐射
R. Khazhibekov, V. Konev, I. Romanchenko, S. Maltsev, P. Priputnev, V. Barmin
{"title":"Radiation of Radio Pulses Excited in a Nonlinear Transmission Line with Periodically Arranged Diodes Based on GaAs Structures","authors":"R. Khazhibekov, V. Konev, I. Romanchenko, S. Maltsev, P. Priputnev, V. Barmin","doi":"10.1109/EDM52169.2021.9507690","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507690","url":null,"abstract":"The paper presents the results of an experiment on the emission of radio pulses formed in a nonlinear transmission line with GaAs diodes. GaAs-based diodes can effectively sharpen pulse front with a lower probability of thermal breakdown than silicon diodes. The construction of a nonlinear line for the formation of radio pulses is briefly described. It is shown that the combined use of a nonlinear line with GaAs-based diodes is an effective tool for the formation of powerful radio pulses in the microwave range. In the experiment, a manufactured helical 5-turn antenna is used for radiation. The antenna is capable of operating at high voltages of the generated pulses. For the manufacture of the antenna, a high electrical strength potting compound was used instead of traditional vacuum oil. The experimental set presented in the work is based on the SINUS-160 device operating with a Tesla generator. Using a half-wave vibrator and an oscilloscope, the radiation level from the set is measured and the effective potential of the system is calculated.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115092551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance Evaluation of the SRS Based MIMO Channel Estimation on 5G NR Open Source Channel Model 5G NR开源信道模型下基于SRS的MIMO信道估计性能评价
A. Kalachikov, Alexander V. Stenin
{"title":"Performance Evaluation of the SRS Based MIMO Channel Estimation on 5G NR Open Source Channel Model","authors":"A. Kalachikov, Alexander V. Stenin","doi":"10.1109/EDM52169.2021.9507598","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507598","url":null,"abstract":"In 5G NR sounding reference signals are used for pilot-aided uplink MIMO channel estimation. Obtained channel responses due to channel reciprocity are processed further to compute downlink MU-MIMO beamforming vectors. The resulting performance of beamforming depends of accuracy obtained in channel response estimation. In this work typical scenario of massive MIMO deployment in the open source 5G channel model QUADRIGA is configured. Least square channel estimation based on SRS under pilot contamination from neighbouring cell are performed and MSE compared.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114686153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
OculusGraphy: Filtering of Electroretinography Response in Adults 眼底摄影:成人视网膜电图反应的过滤
A. Zhdanov, V. Borisov, A. Dolganov, Evdochim Lucian, X. Bao, Victor N. Kazaijkin
{"title":"OculusGraphy: Filtering of Electroretinography Response in Adults","authors":"A. Zhdanov, V. Borisov, A. Dolganov, Evdochim Lucian, X. Bao, Victor N. Kazaijkin","doi":"10.1109/EDM52169.2021.9507654","DOIUrl":"https://doi.org/10.1109/EDM52169.2021.9507654","url":null,"abstract":"ERG is a biopotential response of various retinal cells formed by visual stimulation with a bright flashlight. The retina produces an appropriate response which is depending on the visual stimulation conditions. To ensure uniform flash intensity throughout the patient's field of view, the patient's chin is placed on a special ganzfeld platform. This installation realizes the uniformity of light stimulation distribution. During the examination, the patient looks at one point indicated in the ganzfeld. Flash intensity replacements are routinely regulated by the ISCEV standard, however, this study used standard EP-1000 (Tomey GmbH) protocols. Filtering is a key part of signal analysis. In accordance with the requirements of the standard, the filtration of (ERG) signals should be implemented using posteriori methods. The source of this recommendation is the complex waveform and the presence of frequency components of different private ranges. Thus, this study described the selection of the optimal filtering method for the Maximum 2.0 ERG Response signal based on the posteriori method. The study used the original biomedical signals of adult patients previously published on the IEEE DataPort.","PeriodicalId":281783,"journal":{"name":"2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115765962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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