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2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)最新文献

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The correlation and an equivalent method of direct current injection (DCI) and high-intensity radiated field (HIRF) on the wire 研究了直流注入(DCI)与高强度辐射场(HIRF)在导线上的相互关系及等效方法
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456728
Qi Wang, Xiang Zhou, Yixing Gu
{"title":"The correlation and an equivalent method of direct current injection (DCI) and high-intensity radiated field (HIRF) on the wire","authors":"Qi Wang, Xiang Zhou, Yixing Gu","doi":"10.1109/GEMCCON50979.2020.9456728","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456728","url":null,"abstract":"To determine the external electromagnetic field and the induced current on the wire quantitative relationship for the application of DCI technology, green function method based on transmission line theory in this paper are proposed to analyze the induced current of the wire under external electromagnetic radiation. Then via a numerical calculated case, the results using the proposed analytical method show that the induced current resonates at a certain frequency. And the focus should be on the maximum induced current on the wire at a certain frequency. Then the injected power of the current probe which is needed to generate the maximum induced current is calculated by using the equivalent principle, and the injected power near the position of the maximum induced current is compared and analyzed. The results shows that the injected power of the current probe varies with the position at a certain frequency when the external field is determined. Finally, the quantitative relationship between external electromagnetic field and induced current is summarized briefly, which can provide certain data basis for the application of the DCI technology.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122472646","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
Design and Research of TVS Devices Based on Silicon Carbide Material 基于碳化硅材料的电视器件的设计与研究
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456690
Yaohui Zhang, Yuebo Li, Yan-zhao Xie, Jie Yang, Jiuliang Xiong, Wei He
{"title":"Design and Research of TVS Devices Based on Silicon Carbide Material","authors":"Yaohui Zhang, Yuebo Li, Yan-zhao Xie, Jie Yang, Jiuliang Xiong, Wei He","doi":"10.1109/GEMCCON50979.2020.9456690","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456690","url":null,"abstract":"Surge disturbance can be generated by high power electromagnetic pulse coupling on the cable of electronic information equipment. Transient voltage suppressor (TVS) is an important protective device to suppress surge disturbance. Most of the existing TVS devices are Si-based materials, and Si-TVS devices have shortcomings in the current capacity, high-temperature characteristics, etc. In this paper, SiC materials are selected to design new SiC-TVS devices, and the surface leakage characteristics are improved by terminal junction expansion technology. The testing results show that the new SiC-TVS devices have better characteristics in current capacity and high temperature performance.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125071138","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 and Analysis of Multi-layer Broadband Metamaterial Absorber Based on Resistive Film 基于电阻膜的多层宽带超材料吸收体设计与分析
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456689
Zekui Zhang, Han Zhang, Dong-hong Wang, L. Zhang, Rong Zhang, Libin Guan
{"title":"Design and Analysis of Multi-layer Broadband Metamaterial Absorber Based on Resistive Film","authors":"Zekui Zhang, Han Zhang, Dong-hong Wang, L. Zhang, Rong Zhang, Libin Guan","doi":"10.1109/GEMCCON50979.2020.9456689","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456689","url":null,"abstract":"In this paper, a multi-layer broadband metamaterial absorber based on resistive film has been designed and analysis. The absorber consists of three dielectric layers and two meta material structures. The simulation test results show that when the thickness of the multi-layer broadband metamaterial absorber designed in this paper is only 4.6mm, the absorption rate is greater than 90% in the frequency band of 7.26GHz-40GHz. Through analysising, it is found that the electromagnetic wave energy of the absorber is mainly lost through the resistance film structure, and the upper resistance film is mainly responsible for the loss of electromagnetic energy in the high frequency band, and the lower resistance film is mainly responsible for the loss of electromagnetic energy in the low frequency band. The broadband metamaterial absorber designed in this paper has a simple structure and absorption frequency bandwidth. It has important practical application value and application prospects.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131554753","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
Simulation on multi-frequency harmonics suppression by FXLMS method FXLMS法抑制多频谐波的仿真
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456688
Chen Huang, C. Hua, Wenwu Song
{"title":"Simulation on multi-frequency harmonics suppression by FXLMS method","authors":"Chen Huang, C. Hua, Wenwu Song","doi":"10.1109/GEMCCON50979.2020.9456688","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456688","url":null,"abstract":"A FXLMS method based active power filter system is designed and simulated. The simulation results show that the FXLMS method is able to identify the secondary path characteristics such that the designed active power filter is capable of handling multi-frequency harmonics in the power grid.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"313 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131647467","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
An improved model and simulation of aerial vehicle friction Charging current and Corona Discharge 改进的飞行器摩擦充电电流和电晕放电模型及仿真
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456718
Yue Zhang, Guodong Wang
{"title":"An improved model and simulation of aerial vehicle friction Charging current and Corona Discharge","authors":"Yue Zhang, Guodong Wang","doi":"10.1109/GEMCCON50979.2020.9456718","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456718","url":null,"abstract":"The aircraft flying at high altitude and high speed will generate static electricity which will cause aircraft misoperation, even explosion, and other major accidents. This paper establishes an improved model of friction charging current based on the work function theory, and deduces the surface potential and discharge current when the aircraft is in electrostatic equilibrium, then simulates the electromagnetic field distribution inside and outside the aircraft shell during corona discharge with TLM algorithm. Friction charging current between aircraft and ice crystal is affected by ice crystal concentration, aircraft speed, ice crystal charge immersion depth, etc. The electrostatic potential of the aircraft surface is affected by the flight speed, the concentration and size of ice particles, and the leakage resistance. The electrostatic potential of the aircraft surface will reach hundreds of kV within 50 seconds. The discharge current is related to the environment of the aircraft, which is affected by air pressure, humidity, flight speed, and other factors. When corona discharge occurs, the electromagnetic field will be coupled to the internal cable through the engine on the aircraft body and the welding gap.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"231 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131680632","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
Computation of Reaction of Amplifier 放大器反应的计算
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456681
T. Hui, Li Hui-zi
{"title":"Computation of Reaction of Amplifier","authors":"T. Hui, Li Hui-zi","doi":"10.1109/GEMCCON50979.2020.9456681","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456681","url":null,"abstract":"This paper provides a modeling method of nonlinear reaction of amplifier based on high-order polynomials, using measured data of the amplifier 1dB compression point and the third-order intercept point to calculate the high-order polynomial coefficients. With the coefficients, a nonlinear disturbance reaction model is built for the amplifier. The model is then used in the research for disturbance responses of the amplifier with different interfering signals injected. According to the simulation results, we analyze the nonlinear reaction characteristics of the amplifier.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114867641","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
Investigation of G-band High Power and Broad Bandwidth Extended Interaction Klystron with Rectangular Electron Beam 矩形电子束g波段大功率宽带扩展作用速调管的研究
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456691
Renjie Li, L. Tao, Xiujuan Xi
{"title":"Investigation of G-band High Power and Broad Bandwidth Extended Interaction Klystron with Rectangular Electron Beam","authors":"Renjie Li, L. Tao, Xiujuan Xi","doi":"10.1109/GEMCCON50979.2020.9456691","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456691","url":null,"abstract":"A G-band ladder-type Extended Interaction Klystron (EIK) with rectangular electron beam is designed. The bi-periodic structure with long-slots and short-slots alternatively distributed is adopted to form the multi-gap resonance cavity. The dominant advantage of the bi-periodic structure is the broader operation bandwidth compared with the periodic structure. The another significance of the proposed structure is that the rectangular electron beam with small aspect ratio is used, which will be helpful in decreasing the focusing difficulty of bunched beam compared with the sheet beam, and in increasing the beam current compared with the cylindrical beam. Through the theoretical analysis and optimization, the structure parameters of the resonance cavity operating at π mode along with the good high-frequency properties are obtained. With the 16.5 kV operating voltage and 0.30 A beam current, the output power of 270 W, efficiency of 5.5% and 3dB bandwidth of 670 MHz is achieved. As the beam current increases to 0.50 A, the output power, efficiency and 3dB bandwidth will improve to 1378 W, 16.7% and over 1 GHz, respectively.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114817502","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
Research on Strong Electromagnetic Protection Technology of Radar Vehicle Cockpit 雷达车辆座舱强电磁防护技术研究
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456696
Wang Yong-sheng, Guo Wen-qing, Li Wei, Bi Yong-liang
{"title":"Research on Strong Electromagnetic Protection Technology of Radar Vehicle Cockpit","authors":"Wang Yong-sheng, Guo Wen-qing, Li Wei, Bi Yong-liang","doi":"10.1109/GEMCCON50979.2020.9456696","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456696","url":null,"abstract":"Aiming at the problem that the onboard radar of radar vehicle will cause radiation to the fighters in the cockpit when it is performing its mission, this paper studies the strong electromagnetic protection technology of the cockpit of radar vehicle, determines the protection index through technical index demonstration, determines the key protection position through electromagnetic coupling path analysis, verifies the correctness of the determined key protection position through simulation design, and forms the electromagnetic protection design scheme for weak electromagnetic coupling links. Finally, the effectiveness of the electromagnetic protection scheme for the cockpit of a radar vehicle is verified based on the electric field strength and shielding effectiveness indexes in the cockpit after protection.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128258973","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
New Dual-Band EMI Metamaterial with Holes for Shielding 5G Electromagnetic Signals 屏蔽5G电磁信号的新型带孔双频EMI超材料
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/GEMCCON50979.2020.9456729
Chia-Tzen Sun, Dan Shi, Xiao Yong Liu, Chaoying Li
{"title":"New Dual-Band EMI Metamaterial with Holes for Shielding 5G Electromagnetic Signals","authors":"Chia-Tzen Sun, Dan Shi, Xiao Yong Liu, Chaoying Li","doi":"10.1109/GEMCCON50979.2020.9456729","DOIUrl":"https://doi.org/10.1109/GEMCCON50979.2020.9456729","url":null,"abstract":"A frequency selective surface (FSS) based metamaterial structure with holes is proposed for 5G electromagnetic (EM) shielding. The proposed FSS can not only realizes the compact dual band-stop characteristics of close distance successfully, but also improves the ventilation and heat dissipation capacity compared to metallic enclosure. Taking −10 dB as the threshold for bandwidth measurement, the proposed FSS has two stop bands with central operating frequencies of 3.5GHz and 4.86GHz. The first suppressed bandwidth can reach 1.17GHz and the second can reach 0.67GHz. The proposed design shows a stable frequency response for the angles of incidence ranging from 0 to 45° for both TE and TM polarized electromagnetic signals. Through the analysis, an optimized FSS is designed which improves the shielding effect for both bands with bandwidth exceeding 1GHz and attenuation exceeding 30dB. In addition, the optimized metamaterial improves the angular stability to 60°. The proposed design has a great significance for the further development of 5G communication.","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123640333","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
6th IEEE Global Electromagnetic Compatibility Conference (GEMCCon 2020) - Front cover 第六届IEEE全球电磁兼容性会议(GEMCCon 2020) -封面
2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI: 10.1109/gemccon50979.2020.9456725
{"title":"6th IEEE Global Electromagnetic Compatibility Conference (GEMCCon 2020) - Front cover","authors":"","doi":"10.1109/gemccon50979.2020.9456725","DOIUrl":"https://doi.org/10.1109/gemccon50979.2020.9456725","url":null,"abstract":"","PeriodicalId":194675,"journal":{"name":"2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130023682","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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