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

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Numerical simulations in virtual anatomical models: The devil is in the details 虚拟解剖模型的数值模拟:细节决定成败
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175297
Marie-Christine Gosselin, E. Neufeld, Davnah Payne, N. Kuster
{"title":"Numerical simulations in virtual anatomical models: The devil is in the details","authors":"Marie-Christine Gosselin, E. Neufeld, Davnah Payne, N. Kuster","doi":"10.1109/APEMC.2015.7175297","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175297","url":null,"abstract":"Virtual anatomical models are increasingly used for a number of applications, ranging from (non)-ionizing radiation assessment to medical treatment and implant development. Accordingly, the number of available models has been increasing rapidly during recent years, and dosimetric studies for engineering and medical purposes are blooming. Here, we discuss an example of passive implant safety assessment to demonstrate how numerical simulations results can vary with the quality and detail of particular anatomical models.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"259 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":"132789342","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
FDTD computations of lightning-induced voltages in the presence of nearby buildings 附近有建筑物时雷击电压的时域有限差分计算
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175273
T. H. Thang, Y. Baba, V. Rakov, A. Piantini
{"title":"FDTD computations of lightning-induced voltages in the presence of nearby buildings","authors":"T. H. Thang, Y. Baba, V. Rakov, A. Piantini","doi":"10.1109/APEMC.2015.7175273","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175273","url":null,"abstract":"In this paper, we have computed lightning-induced voltages on distribution lines in the presence of nearby buildings using the 3D finite-difference time-domain (FDTD) method. In the simulations, four-conductor lines with surge arresters and pole transformers are considered. It appears that the presence of nearby buildings cause reduction of lighting induced voltages, as expected. The observed trend is in general agreement with that reported from the small-scale experiment by Piantini et al. (2007).","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"72 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":"114150638","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
Ferrite thin film noise suppressor suitable for flexible printed circuit 适用于柔性印刷电路的铁氧体薄膜噪声抑制器
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175341
K. Kondo, H. Ono, S. Yoshida
{"title":"Ferrite thin film noise suppressor suitable for flexible printed circuit","authors":"K. Kondo, H. Ono, S. Yoshida","doi":"10.1109/APEMC.2015.7175341","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175341","url":null,"abstract":"Conducted and radiated noise suppression effects attained by the ferrite-plated thin film of 3 μm in thickness were evaluated using the mock samples of ferrite-plated flexible printed circuits (FPCs), in order to confirm a feasibility of its application to FPCs as a novel thin film noise suppressor. Transmission loss power ratio i.e. conducted noise suppression effect was evaluated from the measured S-parameters using the flexible microstrip line of 70 mm in length up to 6 GHz. The transmission loss power ratio attained by the ferrite film increased with increasing frequency, reaching approximately 4 dB attenuation enhancement at 6 GHz. This was almost the same as the commercially-available composite-type noise suppression sheet (NSS) of 50 μm in thickness. Radiated noise suppression effect was evaluated from 0.7 GHz to 5 GHz using the radiation suppression ratio, which was defined as the transmission parameter S21 from the flexible open circuit of 1 m in length to the receiving antenna 3 m away from the circuit. The radiation suppression ratio suppressed by the ferrite film was approximately 10 dB in average at 0.7 GHz, which was effective up to 5 GHz. This was also equivalent to the composite-type NSS. These experimental results suggest that the ferrite-plated film is an effective noise suppressor for FPC, suppressing the noise currents and radiated emission up to several GHz.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"407 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":"114938413","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
Spatially-resolved near-field diagnosis of differential signaling performance for wireless device RFI/EMC applications 无线设备RFI/EMC应用中差分信号性能的空间分辨近场诊断
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175386
Kai-Syuan Chen, Yu-Hao Liu, T. Horng
{"title":"Spatially-resolved near-field diagnosis of differential signaling performance for wireless device RFI/EMC applications","authors":"Kai-Syuan Chen, Yu-Hao Liu, T. Horng","doi":"10.1109/APEMC.2015.7175386","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175386","url":null,"abstract":"This paper presents a method to spatially diagnose amplitude and phase imbalances of high-frequency/high-speed differential signaling on a wireless device with a high resolution near-field scanning system. The principle of measuring the complex-valued magnetic near fields with vector network analyzer (VNA) is discussed. Then the measured complex-valued magnetic near fields over several differential circuits are used to study the radio-frequency interference (RFI) and electromagnetic compatibility (EMC) issues related to these circuits in a wireless device that is under a working state.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"17 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":"114766832","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 novel metal ground plane design methodology for optimizing MIMO antenna isolation 一种优化MIMO天线隔离的新型金属接地平面设计方法
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175305
L. Ji, Yu-feng Shih, Yi-shang Huang
{"title":"A novel metal ground plane design methodology for optimizing MIMO antenna isolation","authors":"L. Ji, Yu-feng Shih, Yi-shang Huang","doi":"10.1109/APEMC.2015.7175305","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175305","url":null,"abstract":"Based on the electric platform designs such as All-in-one (AIO) PC, laptop and tablet PC, this article propose a quickly procedure to optimize the isolation of MIMO antennas even though the antenna structure is unknown. With two 50ohm loads as feeding sources, a simplified procedure to optimize the central slotted ground plan was introduced to achieve minimal isolation. Taking a 2.45GHz PIFA antenna system for example, similar trends between real case and simulation were observed, so the feasibility of this proposed method was verified and work well.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"3 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133169201","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
The effects of shape anisotropy of the magnetic particles in a composite on RF power absorption 复合材料中磁性颗粒形状各向异性对射频功率吸收的影响
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175385
Baekil Nam, Jinu Kim, Joonsik Lee, Ki Hyeon Kim
{"title":"The effects of shape anisotropy of the magnetic particles in a composite on RF power absorption","authors":"Baekil Nam, Jinu Kim, Joonsik Lee, Ki Hyeon Kim","doi":"10.1109/APEMC.2015.7175385","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175385","url":null,"abstract":"The shape anisotropy of the magnetic particles in a composite film for EMI applications plays a key role in their performance. For a few types of the particles such as wires and hollow fibers, permeabilities of the particles and in-line attenuation of the composite were evaluated by simulations. With the change of the shape anisotropy by aspect ratio or hollow ratio, power absorption could be controlled in frequency. In experiments, Ni/FeCo magnetic hollow fibbers were fabricated by electroless plating and power loss of the composite filled with the fibbers was evaluated.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"29 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":"130574132","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
Signal integrity design of bump-less interconnection for high-speed signaling in 2.5D and 3D IC 2.5D和3D IC中高速信令无碰撞互连的信号完整性设计
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175392
Hyunsuk Lee, Heegon Kim, Sumin Choi, Dong-Hyun Kim, Kyungjun Cho, Joungho Kim
{"title":"Signal integrity design of bump-less interconnection for high-speed signaling in 2.5D and 3D IC","authors":"Hyunsuk Lee, Heegon Kim, Sumin Choi, Dong-Hyun Kim, Kyungjun Cho, Joungho Kim","doi":"10.1109/APEMC.2015.7175392","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175392","url":null,"abstract":"With the advent of 2.5D and 3D IC, micro bumps has been highlighted as the core technology for realization of 2.5D and 3D IC. However, due to the difficulties about fabrication of reliable and cost-effective micro bumps, resulting in decrease in the final chip yield. In this paper, we propose a bump-less interconnection for high-speed signaling in 2.5D and 3D IC. In the proposed interconnection, high speed signal is transmitted via coupling pads instead of micro bumps. Signal integrity of the proposed interconnection is analyzed by simulation in the frequency- and time-domain. For a more detailed analysis, the proposed interconnection and the interconnection with the micro bumps are compared. In addition, because the silicon, organic and glass interposer have been widely employed for the 2.5D and 3D IC packaging, signal integrity of the proposed interconnection on three types of the interposer is compared and analyzed.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"29 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":"127156757","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
Mixed type branch line coupler designs 混合式支路耦合器设计
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175287
Ssu-Jung Wu, Jan-Dong Tseng, Yu-Hui Shih, Kuang-Hao Lin
{"title":"Mixed type branch line coupler designs","authors":"Ssu-Jung Wu, Jan-Dong Tseng, Yu-Hui Shih, Kuang-Hao Lin","doi":"10.1109/APEMC.2015.7175287","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175287","url":null,"abstract":"A mixed type branch line coupler combining T-type and pi-type equivalent circuits and keeping main lines characteristic impedance at 50Ω is reported. The new branch line coupler contains only capacitors and open stubs. Two prototypes of two and three branches are designed, simulated and measured. The size reduction reached 40% comparing with the original circuits. The simulated and experimental results show a good agreement within the frequency of interest.","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":"128878083","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
Improvement of radiated emission measurement reproducibility with VHF-LISN obtained from final results of international inter-laboratory comparison on termination control of power line 电力线终端控制国际实验室间比较的最终结果表明VHF-LISN辐射发射测量再现性的提高
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175243
S. Okuyama, N. Kuwabara, K. Osabe, H. Muramatsu
{"title":"Improvement of radiated emission measurement reproducibility with VHF-LISN obtained from final results of international inter-laboratory comparison on termination control of power line","authors":"S. Okuyama, N. Kuwabara, K. Osabe, H. Muramatsu","doi":"10.1109/APEMC.2015.7175243","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175243","url":null,"abstract":"At present, power supply impedance of radiated emission measurement site is not specified in any testing standards. In measurement of radiated emission from desktop equipment, noise emitted from power line of the EUT is a factor that worsens site correlations because the noise varies with the impedance between power line and the ground. Under such circumstances, VCCI developed VHF-LISN to stabilize power supply facilities for the purpose of improving the reproducibility of radiated emission measurement. To assess its effectiveness, an international inter-laboratory comparison program was carried out, provided with EUTs and termination control devices including the VHF-LISN to ensure identical setup across sites. Until February 2014, this international program was promoted at 16 sites in 9 countries. From the final results, we conclude that the VHF-LISN is the best device to improve the reproducibility of radiated emission measurement.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"26 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":"129180809","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: 11
Development of high power transient electromagnetic field sensors 大功率瞬变电磁场传感器的研制
2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2015-05-26 DOI: 10.1109/APEMC.2015.7175246
Yang Chao, Meng Cui, Chen Rong-mei, Li Xin
{"title":"Development of high power transient electromagnetic field sensors","authors":"Yang Chao, Meng Cui, Chen Rong-mei, Li Xin","doi":"10.1109/APEMC.2015.7175246","DOIUrl":"https://doi.org/10.1109/APEMC.2015.7175246","url":null,"abstract":"An electric field sensor D-dot followed by a magnetic field sensor B-dot are introduced. The principles and configuration are introduced first, and the paper will give out the calibration results. Using the two probe sensor measurement system, the original signal and integrated signal are compared. According to the measurement results, it is believed that two sensor can be improved further.","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":"129884521","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
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