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2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)最新文献

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Efficiently Solving Electromagnetic Scattering from Metasurface Structures Based on Improved Volume Surface Integral Equation Method 基于改进体积面积分方程法的超表面结构电磁散射高效求解
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888659
Wentao Wu, Haoyong Liu, L. Lei, Jun Hu
{"title":"Efficiently Solving Electromagnetic Scattering from Metasurface Structures Based on Improved Volume Surface Integral Equation Method","authors":"Wentao Wu, Haoyong Liu, L. Lei, Jun Hu","doi":"10.1109/APEMC53576.2022.9888659","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888659","url":null,"abstract":"In this paper, a modified volume-surface integral equation method (VSIE) is proposed for calculating the scattering of the metasurface structure. For traditional VSIE with Schaubert, Wilton and Glisson (SWG) basis functions, it has to deal with large unknowns when analyzing composite objects with thin medium. In this condition, because of the easier mesh generation and the less required mesh unknown quantities, simplified prism vector (SPV) basis functions is introduced to replace SWG basis functions in VSIE. Compared with traditional VSIE with SWG basis functions, VSIE-SPV can reduce unknowns when considering the electromagnetic scattering of metasurface structure. Besides, VSIE-SPV can simplify the integral operation according to its horizontal and longitudinal basis function expression. The numerical examples show the accuracy and efficiency of VSIE-SPV.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131341106","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
Accurate Simulation Methodology of RSE (Radiated Spurious Emission) on Electronic Device 电子器件辐射杂散发射的精确仿真方法
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888348
Jing Zhou, Decao Yang, Cheng Sun, Xing Fu, Zheming Gu, Hualin Li, Yongfu Jin
{"title":"Accurate Simulation Methodology of RSE (Radiated Spurious Emission) on Electronic Device","authors":"Jing Zhou, Decao Yang, Cheng Sun, Xing Fu, Zheming Gu, Hualin Li, Yongfu Jin","doi":"10.1109/APEMC53576.2022.9888348","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888348","url":null,"abstract":"This paper presents a method of simulating the non-linear behavior on electronic device, aiming at studying the typical RSE (radiated spurious emission) problems due to non-linear characteristic of electrical connection. The non-linear behavior on a metal-metal contact could be influenced by many factors, such as contact metal types, pressure, fundamental power and aging effects. We propose a RSE simulation workflow and analyzed the factors of nonlinear behavior using the clip and foam gasket. Furthermore, we find the good correlation of simulation and measurement results, confirming the validity of this method.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114145450","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
Grounding characteristics of shielded wire crosstalk at high frequency 高频屏蔽线串扰的接地特性
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888540
Wu Zhang, Zhou Chen, Jaifei Ding, Yongji Wu
{"title":"Grounding characteristics of shielded wire crosstalk at high frequency","authors":"Wu Zhang, Zhou Chen, Jaifei Ding, Yongji Wu","doi":"10.1109/APEMC53576.2022.9888540","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888540","url":null,"abstract":"In order to prevent the coupling of external electromagnetic signals and the internal signal of the cable itself from radiating interference to the outside, substations often use shielded signal transmission lines. However, due to the structure of the shielded wire and the limitation of the shielding effect, external interference signals can be coupled to the inner conductor through the transfer impedance of the shielding layer, and induce interference signals that cannot be ignored. Therefore, the research on shielded wire has a certain meaning. For the crosstalk problem of shielded wire, this paper proposes a crosstalk prediction method based on the Implicit-wendroff finite difference time domain algorithm (FDTD). The crosstalk of shielded wires corresponding to 100 grounding points is compared on the basis of the algorithm in this paper. The results show that a suitable grounding point can effectively suppress the crosstalk of shielded wires.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114377233","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
Vehicle electromagnetic interference suppression using characteristic mode analysis 利用特征模态分析抑制车辆电磁干扰
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888523
Wenwen Qian, Yulin Yang, Junhui Peng, Hailin Cao, Xiaojiao Li, Yangchun Gao, Jianmei Lei
{"title":"Vehicle electromagnetic interference suppression using characteristic mode analysis","authors":"Wenwen Qian, Yulin Yang, Junhui Peng, Hailin Cao, Xiaojiao Li, Yangchun Gao, Jianmei Lei","doi":"10.1109/APEMC53576.2022.9888523","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888523","url":null,"abstract":"This paper proposed to suppress the vehicle electromagnetic interference (EMI) emission by exploring the characteristic mode analysis (CMA) on the vehicle body. We calculated the characteristic modes of the vehicle body and eigen-current using the CMA method. The optimal position range of the DC/DC module, where the EMI emission could be suppressing significantly, could be obtained based on the characteristic modes and eigen-currents. Simulation results show the effectiveness and practicability of the proposed method for vehicle EMI mitigation.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114945911","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
Transparent and High Angular Stability Frequency Selective Surface for Dual-Band RF Shielding 双波段射频屏蔽透明高角稳定频率选择表面
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888401
Q. Guo, Huixian Liu, Qingyue Peng
{"title":"Transparent and High Angular Stability Frequency Selective Surface for Dual-Band RF Shielding","authors":"Q. Guo, Huixian Liu, Qingyue Peng","doi":"10.1109/APEMC53576.2022.9888401","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888401","url":null,"abstract":"An optical transparent, high angular stability and polarization-insensitive frequency-selective surface for dual-band Wi-Fi shielding is presented in this paper. The structure, equivalent circuit model and working principle are investigated. Simulation results show that shielding effectiveness is higher than 40 dB at 2.45 and 5.5 GHz bands under the normal incidence. The shielding performance remains stable as the incident angle increasing up to 75°.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114309229","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
Design of S-band frequency selective surface based on multi screen structure 基于多屏结构的s波段选频面设计
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888397
Xu Zhihao, Tang Shouzhu, Wu Hongchao, Zhou Hao
{"title":"Design of S-band frequency selective surface based on multi screen structure","authors":"Xu Zhihao, Tang Shouzhu, Wu Hongchao, Zhou Hao","doi":"10.1109/APEMC53576.2022.9888397","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888397","url":null,"abstract":"In this paper, two kinds of band stop frequency selective units with S-band transmission are designed, one with X-band cut-off and the other with Ku-band cut-off. The stopband bandwidth is widened by the combination of the two elements. The frequency selective surfaces (FSS) are analysed and calculated by utilizing the spectral-domain approach. In the transmission band, the transmission coefficient in dual polarization is less than 1dB. The average transmittance of the combination unit is less than -40dB in X and Ku cut-off bands, which can provide guarantee of wide-band stealth for radar system in X-band and Ku-band.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114648966","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
Electromagnetic Near-Field to 3-Meter Field Transformation based on Equivalent Dipoles 基于等效偶极子的电磁场近场到3米场变换
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888558
Wen-Tao Liang, Qijun He, Zheng-Xiang Gao, Chong-Feng Zhao, Dong-Xu Huang, Feng Xiao
{"title":"Electromagnetic Near-Field to 3-Meter Field Transformation based on Equivalent Dipoles","authors":"Wen-Tao Liang, Qijun He, Zheng-Xiang Gao, Chong-Feng Zhao, Dong-Xu Huang, Feng Xiao","doi":"10.1109/APEMC53576.2022.9888558","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888558","url":null,"abstract":"In this paper, an electromagnetic reactive near-field to 3-meter field transform method based on the equivalent dipoles is proposed. Firstly, by using the near-field scanning, the real radiation source is equivalent to a dipole array. The dipoles’ positions and moments are optimized by a differential evolution algorithm. Next, the equivalent dipole array is used to predict the 3-meter field of the real radiation source. The effectiveness of the proposed method is verified by both the simulation and measurement results.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114793010","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
Common-Mode Noise Mitigation Method for Planar Transformer Based on FB LLC converter 基于FB LLC变换器的平面变压器共模降噪方法
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888323
Yue Cao, Pengfei Ren, Xingwei Huang, Yuxuan Chen, Wenjie Chen
{"title":"Common-Mode Noise Mitigation Method for Planar Transformer Based on FB LLC converter","authors":"Yue Cao, Pengfei Ren, Xingwei Huang, Yuxuan Chen, Wenjie Chen","doi":"10.1109/APEMC53576.2022.9888323","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888323","url":null,"abstract":"Planar transformers (PTs) have attracted tremendous attentions in many applications requiring low-profile power converters, such as server center and telecom. Today, traditional PTs still face large common-mode (CM) noise due to inter-winding capacitances and lager winding losses due to large eddy current in solid windings. Previous works show that there may exist a compromise between AC winding losses reduction and CM noise reduction. The paper proposes a novel high-performance PT based on CM currents cancellation in full-bridge (FB) LLC resonant converter and a novel winding arrangement to achieve low CM noise and low AC losses in PT. A 1.5kW 400V/50V FB LLC resonant converter prototype has been built as a platform to verify CM noise cancellation in PT of the proposed method. Experiment results show over 20dB CM noise reduction can be achieved while keeping low AC losses.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132267253","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
Equivalent Circuit Modeling for Capacitance Determination of Resonant Reactive Magnetic Shield in Wireless Power Transfer 无线输电中谐振无功磁屏蔽电容确定的等效电路建模
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888346
Xiangyong Mou, Liping Yan, Zhiyuan Gu, Junyou Cao, Guo-hong Du, Richard Xian-Ke Gao
{"title":"Equivalent Circuit Modeling for Capacitance Determination of Resonant Reactive Magnetic Shield in Wireless Power Transfer","authors":"Xiangyong Mou, Liping Yan, Zhiyuan Gu, Junyou Cao, Guo-hong Du, Richard Xian-Ke Gao","doi":"10.1109/APEMC53576.2022.9888346","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888346","url":null,"abstract":"An equivalent circuit model (ECM) for capacitance determination of resonant reactive shielding (RRS) coil in magnetic resonant wireless power transfer (MR-WPT) system is proposed in this paper. The magnetic coupling between RRS coil and the transmitting (Tx) coil of a MR-WPT system is analyzed using the proposed ECM. The relationship between the compensative capacitance of RRS coil and the resonant capacitance of Tx coil is deduced and validated using full wave simulation.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"495 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134219051","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
Impact of the Interconnection Structure on RRAM-Based Crossbar Array in Neuromorphic Chip 互连结构对神经形态芯片中基于ram的横杆阵列的影响
2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2022-09-01 DOI: 10.1109/APEMC53576.2022.9888563
Lidan Fang, Yan Li, Shaojie Xu, Ning Jin, Heyuan Yu, Zhe Sun, Xiaoyong Lei, Shuyun Huo, Erping Li, Bingheng Li
{"title":"Impact of the Interconnection Structure on RRAM-Based Crossbar Array in Neuromorphic Chip","authors":"Lidan Fang, Yan Li, Shaojie Xu, Ning Jin, Heyuan Yu, Zhe Sun, Xiaoyong Lei, Shuyun Huo, Erping Li, Bingheng Li","doi":"10.1109/APEMC53576.2022.9888563","DOIUrl":"https://doi.org/10.1109/APEMC53576.2022.9888563","url":null,"abstract":"In this paper, the Izhikevich neuron model is used to simulate the spike signal, and a complete unit-cell equivalent circuit model of the RRAM-based crossbar array including parasitic effects is proposed. By changing the interconnection width, array size, and the RRAM resistance value, influences of the interconnection structure on the transmission characteristics of spike signals in the RRAM-based crossbar array for neuromorphic chips are analyzed. The simulation results show that the IR drop and crosstalk caused by the parasitic RLC components may be the main noise source that changes the operating voltage. Therefore, when the demand is met, the accuracy can be improved by changing the above-mentioned factors.","PeriodicalId":186847,"journal":{"name":"2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133920299","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
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