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2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)最新文献

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Comparison of ESD protection effect between protective elements on electric devices and ESD countermeasure materials by applying voltage with ESD gun 静电枪施加电压对电气设备防护元件和防静电防护材料的静电防护效果的比较
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175275
T. Ohtsu, Hideyuki Doyama, H. Ishizuka, K. Sagisaka
{"title":"Comparison of ESD protection effect between protective elements on electric devices and ESD countermeasure materials by applying voltage with ESD gun","authors":"T. Ohtsu, Hideyuki Doyama, H. Ishizuka, K. Sagisaka","doi":"10.1109/APEMC.2015.7175275","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175275","url":null,"abstract":"The purpose of this study is to support the countermeasure technology in the system level by using the developed observation system. It can observe a discharge current waveform, a discharge voltage waveform and a radiated electromagnetic waveform to make comparison of ESD protection effect between protective elements on electric devices and ESD countermeasure materials by applying voltage with ESD gun.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115565936","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 quantified method for characterizing harmonic components from EMI spectrum 从电磁干扰频谱中定量表征谐波分量的方法
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175303
D. Su, Kaixiang Zhu, Mu Niu, Xiaoxiao Wang
{"title":"A quantified method for characterizing harmonic components from EMI spectrum","authors":"D. Su, Kaixiang Zhu, Mu Niu, Xiaoxiao Wang","doi":"10.1109/APEMC.2015.7175303","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175303","url":null,"abstract":"This paper proposed a new method to characterize the harmonic components from Electromagnetic Interference (EMT) spectrum, which is based on the Grey System Theory and the Fourier Envelope Theory. The proposed method first characterizes the harmonic components from the EMI test data. Then proper time-domain component model (e.g. square, sinusoidal, or convergent oscillation, etc) is identified based on the frequency and amplitude of the harmonic components in the spectrum. Finally, the identified time-domain components are quantified. As an application of this method, the EMI spectrum data of equipment under test (EUT) is used to identify and quantify its major time-domain components. Comparisons between the time-domain components obtained by the proposed method and measured by oscilloscope are presented, which show the accuracy of the proposed method. Furthermore, from the waveform types of identified time-domain components, the major EMI sources can be located.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116134401","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
Immunity testing research method of unmanned aerial vehicle system with limited operational life 有限使用寿命无人机系统抗扰度测试方法研究
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175413
V. Butin, P. Kundyshev
{"title":"Immunity testing research method of unmanned aerial vehicle system with limited operational life","authors":"V. Butin, P. Kundyshev","doi":"10.1109/APEMC.2015.7175413","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175413","url":null,"abstract":"In this paper, the procedure of the resonance range localization for the shielded hull of unmanned aerial vehicle in the microwave exposure is under consideration. Cracks in the hull, filling the hull with constructive and radio electronic components, unshielded wires connection so as the bolt tightness effect on the shielding performance have been investigated. It was demonstrated that the shielding effectiveness data simulated in FEKO agree with the measured results accurately. As the result, the immunity testing research method of unmanned aerial vehicle system with limited operational life has been presented.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123958411","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
Prediction of aging impact on electromagnetic susceptibility of an operational amplifier 运算放大器老化对电磁磁化率影响的预测
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175235
He Huang, A. Boyer, S. Ben Dhia, B. Vrignon
{"title":"Prediction of aging impact on electromagnetic susceptibility of an operational amplifier","authors":"He Huang, A. Boyer, S. Ben Dhia, B. Vrignon","doi":"10.1109/APEMC.2015.7175235","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175235","url":null,"abstract":"This paper deals with the impact of aging on the electromagnetic susceptibility level of a CMOS operational amplifier (opamp). The aging impact can be modelled by the variation of several parameters of the MOSFET model, to predict the evolution of electromagnetic susceptibility (EMS) of the opamp block during the aging process.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121006547","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: 14
Calibration and uncertainty evaluation of a 3-axis probe for EMC testing 电磁兼容测试用三轴探头的校准与不确定度评定
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175226
V. Sittakul, S. Pasakawee, K. Karanun
{"title":"Calibration and uncertainty evaluation of a 3-axis probe for EMC testing","authors":"V. Sittakul, S. Pasakawee, K. Karanun","doi":"10.1109/APEMC.2015.7175226","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175226","url":null,"abstract":"This paper proposes a calibration method for a 3-axis probe for electromagnetic compatibility (EMC) testing including its uncertainty evaluation. Initially, the proposed calibration system for a 3-axis probe is demonstrated. Then, electromagnetic field theory is applied to the system in order to determine the incident electric field at the probe. Finally, the uncertainty evaluation, an important measurement quantity for calibration, is calculated.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115858787","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 low-pass quart-wave transformer 低通四分之一波变压器
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175330
Chih-Jung Chen, I-Ting Pan
{"title":"A low-pass quart-wave transformer","authors":"Chih-Jung Chen, I-Ting Pan","doi":"10.1109/APEMC.2015.7175330","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175330","url":null,"abstract":"Quarter-wave transformers are fundamental elements for numerous circuit designs. Due to the property of a transmission line, circuits designed with the quarter-wave transformers inherently have spurious passbands. Aperiodic stubs on a microstrip line are exploited to implement a low-pass quarter-wave transformer in this paper. Such a joint design is expected to solve the problems of spurious passbands, and enhance the degree of integration in RF and microwave systems.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"40 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131923167","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
Broadband wide-beam circular polarization antenna for global navigation satellite systems application 宽带宽波束圆极化天线在卫星导航系统中的应用
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175339
D. Chang, P. Cheng, Chih-Hung Lee, Chia-Tsung Wu
{"title":"Broadband wide-beam circular polarization antenna for global navigation satellite systems application","authors":"D. Chang, P. Cheng, Chih-Hung Lee, Chia-Tsung Wu","doi":"10.1109/APEMC.2015.7175339","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175339","url":null,"abstract":"The frequency bandwidth for the broadband wide-beam global navigation satellite systems (GNSS) antenna from 1.15 GHz to 1.6 GHz is designed and discussed in this paper. The requirement of the antenna is wider beam coverage with lower axial ratio and higher antenna efficiency. The results of measurement are agreed with that of simulation by using the EM simulation tool GEMS. The measured results of half power beam-width for both principle planes are over than 90 degrees, the antenna efficiency is larger than 60%, and axial ratio is smaller than 3 dB for frequency from 1.15 GHz to 1.6 GHz.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115394000","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
Pixelated design for multiple antennas in MIMO handset applications MIMO手机应用中多天线的像素化设计
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175232
Yen‐Sheng Chen, Ting-Yu Ku
{"title":"Pixelated design for multiple antennas in MIMO handset applications","authors":"Yen‐Sheng Chen, Ting-Yu Ku","doi":"10.1109/APEMC.2015.7175232","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175232","url":null,"abstract":"It is well-known that channel throughput can be greatly enhanced by using a multiple-input-multiple-output (MIMO) antenna system. To implement such a multiple-antenna structure in handset environments, conventional design approaches rely on fine tuning the geometric parameters of antenna layouts. In this paper, a completely different framework is implemented to develop the multiple antennas. Rather than tuning the geometric parameters, we discretize the design space into several pixels. Afterward, powerful multi-objective optimization algorithms may automatically find the best antenna topologies by varying the distribution of these pixels. Our preliminary results show that the impedance requirement of each antenna can be met, and the mutual coupling between the multiple antennas can be kept at a very low level Most importantly, all the performances are automatically determined by the pixelated design technique. Therefore, the design cycle can be greatly reduced.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"491 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115719801","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
High speed interconnect optimization 高速互连优化
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175345
Mallikarjun Vasa, Arun Chada Reddy, B. Mutnury, Sanjay Kumar, R. Vasanth
{"title":"High speed interconnect optimization","authors":"Mallikarjun Vasa, Arun Chada Reddy, B. Mutnury, Sanjay Kumar, R. Vasanth","doi":"10.1109/APEMC.2015.7175345","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175345","url":null,"abstract":"As the signal speeds begin to increase, small routing imperfections start to dictate the overall channel performance. Commonly found routing imperfections such as trace breakout, via discontinuity and AC coupling capacitor pad capacitance need to be further optimized to meet the desired channel specification based on bit error rate (BER). Upfront modeling and analysis of such imperfections at high frequencies can mitigate expensive board redesigns to achieve the desired performance. This paper demonstrates the impact of each such routing imperfection(s) for data rates up to 40 Gbps. Model to hardware correlation is performed to ensure model accuracy. The impact physical routing parameters on return and insertion loss in frequency and time domain are studied to help designers optimize their channel.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114866607","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
Dual D-loop near-field RFID antenna for water application 双d环近场RFID天线用于水应用
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175230
Chien‐Hung Chen, Chia‐Te Liao, Hua‐Ming Chen
{"title":"Dual D-loop near-field RFID antenna for water application","authors":"Chien‐Hung Chen, Chia‐Te Liao, Hua‐Ming Chen","doi":"10.1109/APEMC.2015.7175230","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175230","url":null,"abstract":"A concise dual D-loop antenna is proposed for near-field operations in the Ultra-High Frequency Band, which can be generated a strong and uniform magnetic field in a near-field zone of the dual-loop. For bigger reading area, the overall fabricated size of a dimension of 80 × 80 × 0.8 mm3, achieves a reading zone of 30 × 30 × 3.14 mm3 with good impedance matching and uniform magnetic field distribution over the bandwidth of 913-932 MHz. The proposed full wave dual loop antenna is suitable for handheld radio frequency identification reader, especially for water applications in the food-production chain. The reader system achieved a long transmission range with a compact size.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117151430","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
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