2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)最新文献

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Deep Learning Method for Prediction of Planar Radiating Sources from Near-Field Intensity Data 基于近场强度数据的平面辐射源预测深度学习方法
Hanzhi Ma, Erping Li, J. Schutt-Ainé, A. Cangellaris
{"title":"Deep Learning Method for Prediction of Planar Radiating Sources from Near-Field Intensity Data","authors":"Hanzhi Ma, Erping Li, J. Schutt-Ainé, A. Cangellaris","doi":"10.1109/ISEMC.2019.8825271","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825271","url":null,"abstract":"A deep learning method, cascaded convolutional neural networks, is investigated as a means for the prediction of frequency-dependent intensity distribution of planar radiating sources from frequency-dependent, near-field intensity data. More specifically, two convolutional neural networks are utilized as follows. The first one uses as input the available near-field amplitude data to predict the amplitude and phase of radiated fields on a plane in closer proximity to the radiating sources. Using the obtained distribution as input, the second one estimates the intensity of the planar radiating sources. The proposed method exhibits very good accuracy in the prediction of the radiating source distribution over the frequency range used for the training of the convolutional neural networks.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130687116","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: 5
Resonant Frequency Selection Method for Wireless Power Transfer System Considering Electromagnetic Interference Reduction 考虑降低电磁干扰的无线电力传输系统谐振频率选择方法
Jaehyoung Park, Yujun Shin, Jongwook Kim, Bumjin Park, Hyunwoong Kim, Seungyoung Ahn
{"title":"Resonant Frequency Selection Method for Wireless Power Transfer System Considering Electromagnetic Interference Reduction","authors":"Jaehyoung Park, Yujun Shin, Jongwook Kim, Bumjin Park, Hyunwoong Kim, Seungyoung Ahn","doi":"10.1109/ISEMC.2019.8825299","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825299","url":null,"abstract":"In typical serise-serise resonant WPT systems, if the resonance frequency of transmitting coil is too close to switching frequency of inverter, the inverter is not allowed to operate with zero-voltage switching (ZVS), which degrades the power transfer efficiency and increases the EMI. In this paper, we propose the resonance frequency selection method for WPT system to reduce the EMI. The proposed method guarantee the ZVS operation and select the resonance frequency that can minimize the EMI. The selection method of optimum transmitting resonance frequency is proposed as a function of mutual inductance, transmitting, receiving coil property and load condition. The proposed method is verified using circuit simulation.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133953296","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
Reciprocity Theorem Based RFI Estimation for Heatsink Emission 基于互易定理的散热器发射RFI估计
Qiaolei Huang, Yang Zhong, Ze Sun, Takashi Enomoto, Shingo Seto, K. Araki, J. Fan, C. Hwang
{"title":"Reciprocity Theorem Based RFI Estimation for Heatsink Emission","authors":"Qiaolei Huang, Yang Zhong, Ze Sun, Takashi Enomoto, Shingo Seto, K. Araki, J. Fan, C. Hwang","doi":"10.1109/ISEMC.2019.8825274","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825274","url":null,"abstract":"Heatsinks are widely used to dissipate heat in electronic devices. RF emission from heatsinks and ICs can cause radio frequency interference (RFI) issues. The existence of the heatsink affects the coupling from the noise source to the victim antenna. In this paper, the heatsink RFI problems are analyzed by two methods using reciprocity theorem. In the first method, the heatsink effect is combined with the antenna to derive the transfer function. In the second method, the heatsink can be characterized in both the source side and the antenna side on a closed 6-surface box. The physical insights and comparisons of the two RFI estimation methods based on reciprocity theorem will be investigated. The proposed methods will be utilized on a few numeric simulations for validations.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132415955","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: 8
Effectively Communicating the EMC Message in Design Teams 在设计团队中有效地沟通EMC信息
S. Rotter, Jerry Meyerhoff
{"title":"Effectively Communicating the EMC Message in Design Teams","authors":"S. Rotter, Jerry Meyerhoff","doi":"10.1109/ISEMC.2019.8825312","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825312","url":null,"abstract":"This paper looks at the problem of analyzing the effectiveness of an EMC Engineer’s relational communications in a chaotic design team, while hurtling to the product finish line. EMC engineers are relational communications challenged early in their careers by the knowledge/Experience gap and cognitive dissonance dilemma between products ideally designed for functionality vs. products ideally designed for [1]. This conflict and use of persuasive rhetoric must be resolved during the development process to achieve a balanced design respecting and optimizing both functionality and EMC. As the EMC engineer progresses through their career, they must develop the necessary EMC persuasion skills and understand how to identify and build EMC/group-cohesion in the different teams they participate in. The paper will explore and identify cognitive dissonance barriers to success seen in the various different project team structures and members make-up often encountered.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114853769","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
A Simple Measurement Method for Frequency-Dependent Impedance and Parasitic Parameters of Common-Mode Chokes 共模扼流圈频率相关阻抗和寄生参数的简单测量方法
Peng Hu, Zhongyuan Zhou, Mingjie Sheng, Ya Li, Xiang Zhou, Peng Li, Qi Zhou
{"title":"A Simple Measurement Method for Frequency-Dependent Impedance and Parasitic Parameters of Common-Mode Chokes","authors":"Peng Hu, Zhongyuan Zhou, Mingjie Sheng, Ya Li, Xiang Zhou, Peng Li, Qi Zhou","doi":"10.1109/ISEMC.2019.8825292","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825292","url":null,"abstract":"One more useful measurement and identification method for common-mode chokes is proposed to analysis frequency-dependent impedance and parasitic parameters information within the balanced frequency range. Equivalent circuit for common-mode chokes is established according to the reciprocal and symmetric physical structure, and S-parameters measured with vector network analyzer have been performed to determine the balanced frequency range. Measurement and identification for frequency-dependent impedance and parasitic parameters has been detailedly discussed, and the corresponding results are obtained through theoretical analysis and calculation. As per the frequency-dependent impedance and parasitic parameters, common-mode and differential-mode signal transmission characteristic within the balanced frequency range can be easlily analyzed, and application performance of common-mode chokes will be improved by optimizing the winding structure or choosing the suitable magnetic material.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114325797","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
Analytical Expressions for Uncertainties in Measured Reverberation Chamber Field Strengths 实测混响室场强不确定性的解析表达式
J. West, C. Bunting
{"title":"Analytical Expressions for Uncertainties in Measured Reverberation Chamber Field Strengths","authors":"J. West, C. Bunting","doi":"10.1109/ISEMC.2019.8825306","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825306","url":null,"abstract":"Analytical expressions for uncertainties introduced into reverberation chamber field intensity measurements due to imperfect knowledge of the mean field level are derived. Expressions for the normalized root-mean-square error in estimates of the mean field level show that the maximum-likelihood estimation approach is superior to direct averaging of field samples, independent of the number of samples used in the estimate. The probability distribution functions of the ratio of test-field-sample to estimated-mean are then derived, both for the case where the test sample is an additional independent measurement and when the test sample was used in performing the mean estimation. The distributions give a direct representation of the effects mean field level uncertainty on the sample-to-mean ratio statistics. The expressions are general for both one-axis and three-axis field-intensity measurements.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114491486","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: 3
The Performance of Balancing Networks Derived from the Shunt-Series, Equal-Delay Hybrid 并联串联等时延混合均衡网络的性能研究
J. Mclean
{"title":"The Performance of Balancing Networks Derived from the Shunt-Series, Equal-Delay Hybrid","authors":"J. Mclean","doi":"10.1109/ISEMC.2019.8825240","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825240","url":null,"abstract":"Both voltage and current baluns can be derived from the shunt-series equal-delay hybrid, but the voltage balun is superior to the current balun in applications such as broadband dipole antennas. To understand the lack of performance of the current balun it is necessary to distinguish between balance and symmetry. Both the voltage and current baluns exhibit the appropriate balancing behavior as is shown here. However, the current balun lacks symmetry when driving high impedances. This is shown through measurements and simulations of a representative shunt-series equal delay hybrid configured as both balun types. A 1.4-m biconical antenna exhibits a high input impedance well below its fundamental series resonance. For this reason the voltage balun topology provides better symmetry than does the current balun with such biconical antennas. The asymmetry manifests itself in vertical polarization measurements and is demonstrated here with a vertical polarization inversion test using two 1.4-m biconical antennas.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131780777","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: 6
SPICE Models for one-conductor and three-conductor lines excited by a uniform plane wave 均匀平面波激励下单导体和三导体线路的SPICE模型
M. Raya, R. Vick
{"title":"SPICE Models for one-conductor and three-conductor lines excited by a uniform plane wave","authors":"M. Raya, R. Vick","doi":"10.1109/ISEMC.2019.8825267","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825267","url":null,"abstract":"This paper presents SPICE models for one-conductor line over a ground plane and three-conductor lines excited by an incident uniform plane wave. The models can be used to predict the voltage and current response at the terminations of the conductors. They take into account the boundary conditions at the line ends and can thus be integrated into simulations for EMC analysis. A plane wave is represented in the form of a voltage source feeding the model. Model validation is applied in time and frequency domain. The results are compared to a SPICE model from another source and a numerical simulation. Very good agreement can be observed.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133906530","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: 4
An On-die Oscilloscope for System-Level ESD Noise Monitoring 用于系统级ESD噪声监测的片上示波器
Wooryong Lee, Junsik Park, Jingook Kim, Chunghyun Ryu, Jong-Sung Lee, B. Kang, Bumhee Bae
{"title":"An On-die Oscilloscope for System-Level ESD Noise Monitoring","authors":"Wooryong Lee, Junsik Park, Jingook Kim, Chunghyun Ryu, Jong-Sung Lee, B. Kang, Bumhee Bae","doi":"10.1109/ISEMC.2019.8825235","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825235","url":null,"abstract":"An on-die oscilloscope circuit is proposed for monitoring of system-level electrostatic discharge (ESD) noises at a power supply or signal line of an integrated circuit (IC). The noise waveform is sampled and converted to digital data in real time. ESD event detector circuits provide a trigger signal for holding the digital data when the ESD event is detected. The digital data are converted back to analog noise waveforms through post-processing. The operations of the proposed on-die oscilloscope circuit are validated in circuit simulations.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132924889","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: 3
A Heuristic Method for Determining Far-Field Distance of mmW 5G Massive MIMO Antennas 一种确定mmW 5G大规模MIMO天线远场距离的启发式方法
D. Moongilan
{"title":"A Heuristic Method for Determining Far-Field Distance of mmW 5G Massive MIMO Antennas","authors":"D. Moongilan","doi":"10.1109/ISEMC.2019.8825239","DOIUrl":"https://doi.org/10.1109/ISEMC.2019.8825239","url":null,"abstract":"Small patch antennas arranged in a matrix form are used in millimeter wave wireless devices. These types of antennas are not detachable from the devices. Compliance and other characterizing tests must be performed over the air. Measurements in the near-field are potentially problematic because the test data cannot be accurately extrapolated to different distances. Therefore, most measurements must be made in the farfield. For determining the far-field distance, the device and measurement antenna, both apertures must be considered. While the far-field distance of conventional antennas can be approximately predicted using traditional methods, presently, there is no known method for determining the smallest far-field formation distance of massive MIMO antenna system. This paper describes a heuristic approach for determining the far-field formation distance of millimeter wave massive MIMO antenna systems used in 5G transceivers.","PeriodicalId":137753,"journal":{"name":"2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126090507","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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