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1978 IEEE International Symposium on Electromagnetic Compatibility最新文献

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Properties of Induced Transients Associated with EM Fields Produced by Lightning or Other Relatively Slow Rise-Time EMP 雷电或其他上升时间相对较慢的电磁脉冲产生的电磁场的感应瞬变特性
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566862
R. Hess
{"title":"Properties of Induced Transients Associated with EM Fields Produced by Lightning or Other Relatively Slow Rise-Time EMP","authors":"R. Hess","doi":"10.1109/ISEMC.1978.7566862","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566862","url":null,"abstract":"When an aircraft encounters lightning, the resulting transients that appear on aircraft wiring contain several components. This paper discusses the interrelation between the length of a thin-wire scatterer and the magnitude and waveshape of the current induced on the scatterer by the EM field of a fixed waveshape, relatively slow rise time, double­ exponential EMP.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128943526","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
A Test System for Evaluating New Developments in RF Absorbing Materials for Radiated EMI Measurements 评估辐射电磁干扰测量射频吸收材料新发展的测试系统
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566850
L. Hemming
{"title":"A Test System for Evaluating New Developments in RF Absorbing Materials for Radiated EMI Measurements","authors":"L. Hemming","doi":"10.1109/ISEMC.1978.7566850","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566850","url":null,"abstract":"S e r i o u s measurement problems a r e e n c o u n t e r e d when r a ­ d i a t e d EMI measurements a r e c o n d u c t e d w i t h i n s h i e l d e d rooms. T h is p a p e r d e s c r i b e s a t e s t sy s te m t o e v a l u a t e t h e u s e f u l n e s s o f newly d e v e lo p e d RF a b s o r b e r m a t e r ­ i a l s and room d e s i g n s t o improve t h e a c c u r a c y o f t h e v a r i o u s r a d i a t e d EMI measurement p r o c e d u r e s used w i t h ­ i n s h i e l d e d rooms. P r e l i m i n a r y d a t a i s g i ve n on t h e f i e l d d i s t r i b u t i o n s t h a t a r e found when c o n d u c t i n g t h e MIL-STD-461/462 and P a r t 15 F .C.C . /C ISP R t e s t p r o c e ­ d u r e s w i t h i n s h i e l d e d rooms w i t h and w i t h o u t two ty p e s o f RF a b s o r b e r on t h e i n t e r i o r s u r f a c e s o f t h e t e s t e n c l o s u r e .","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117209519","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 Model for Radiation and Scattering from Wires and Surfaces 导线和表面辐射和散射的简单模型
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566894
A. Farrar, B. Watson, A. Adams
{"title":"A Simple Model for Radiation and Scattering from Wires and Surfaces","authors":"A. Farrar, B. Watson, A. Adams","doi":"10.1109/ISEMC.1978.7566894","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566894","url":null,"abstract":"A new method for evaluating the free space im­ pedance functions which appear in the method of mements for linear and aperture antennas is described. The results are simple expressions in closed form suitable for machine computation. The impedance functions were evaluated using two computer programs. The calculated results are in good agreement with existing data. Computation time is short and the results are accurate.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125637418","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
Filter Pin Insertion Loss Under Nonideal Conditions 非理想条件下滤波器引脚插入损耗
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566879
D. V. Gonshor
{"title":"Filter Pin Insertion Loss Under Nonideal Conditions","authors":"D. V. Gonshor","doi":"10.1109/ISEMC.1978.7566879","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566879","url":null,"abstract":"Several articles have been published^ over the past few years cautioning designers not to rely on insertion loss data for filters derived by the methods of MIL-STD-220A.2 Filters employed in actual applica­ tions may behave quite differently than in a 50-ohm system. In addition, insertion loss may change as a result of saturation of ferrite elements or devaluation of capacitive elements at high temperature. The ef­ fects of these nonideal conditions on the performance of a typical pi-section filter pin have been investi­ gated. The techniques presented here may be used to evaluate other types of filter pins or, possibly, gen­ eral types of filters. However, particular attention must be paid to distributed parameter impedance or electromagnetic resonance effects which may not be significant in the compact filter pin, but may play a vital role in other filters.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132148589","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
Microfiltering of Input/Output Cables: A New Solution to High Frequency I/O Cable Radiation and Susceptibility Fields 输入/输出电缆微滤波:高频输入/输出电缆辐射和敏感场的新解决方案
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566849
C. Kendall, R. T. Hebson
{"title":"Microfiltering of Input/Output Cables: A New Solution to High Frequency I/O Cable Radiation and Susceptibility Fields","authors":"C. Kendall, R. T. Hebson","doi":"10.1109/ISEMC.1978.7566849","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566849","url":null,"abstract":"","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134396035","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
Susceptibility of Home Entertainment Equipment to High Power Interference 家庭娱乐设备对高功率干扰的敏感性
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566840
E. E. Donaldson
{"title":"Susceptibility of Home Entertainment Equipment to High Power Interference","authors":"E. E. Donaldson","doi":"10.1109/ISEMC.1978.7566840","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566840","url":null,"abstract":"Measurements were conducted to define the suscep­ tibility of television and AM/FM receivers to high pow­ er electromagnetic fields. Fifty television receivers and twenty AM/FM receivers, representing different manufacturers, chassis configurations, and circuit fea­ tures, were subjected to pulsed UHF and S-band fields 2 2 at peak field strengths up to 38 dBm/m and 54 dBm/m , respectively. The susceptibility of the test specimen receivers was determined using the threshold of inter­ ference criterion, i.e., as that field strength which produced a detectable effect in receiver operation. Measurement results show that the average UHF and S-band interference thresholds for the test specimen television 2 2 receivers were approximately +30 dBm/m and +35 dBm/m , respectively. For the AM/FM receivers, the average UHF 2 and S-band thresholds were approximately +7 dBm/m and 2 +20 dBm/m , respectively. The interference thresholds for individual receivers varied as much as 40 dB between different samples.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125885269","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
Flexible Braids for Improved Magnetic Shielding of Cables 提高电缆磁屏蔽性能的柔性编织物
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566845
G. Sellers, J. Dismukes, Y. Shiau, J. J. Krstansky, R. Sharp, J. Kincaid
{"title":"Flexible Braids for Improved Magnetic Shielding of Cables","authors":"G. Sellers, J. Dismukes, Y. Shiau, J. J. Krstansky, R. Sharp, J. Kincaid","doi":"10.1109/ISEMC.1978.7566845","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566845","url":null,"abstract":"Low f r e q u e n c y , magne t ic f i e l d p ic kup in cab les is a severe EMI prob lem. To t e s t the e f f e c t i v e n e s s o f f e r r o m a g n e t i c , amorphous metal a l l o y r ibbons in reducing t h i s problem, b ra id e d s h i e l d s were f a b r i c a t e d and mea­ sured over the f i e l d s t r e n g t h range 0.01 10 Oers ted a t 60 Hz and 400 Hz. Resu l t s show s h i e l d i n g e f f e c t i v e ­ ness in the range 25 dB wh ich i s comparable to b la ck i r o n p ip e , w h i l e a t the same t im e the b ra id s a re f l e x ­ i b l e and l i g h t in w e ig h t .","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128487722","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
Introduction to Field Penetration 场侵彻概论
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566833
P. Madle
{"title":"Introduction to Field Penetration","authors":"P. Madle","doi":"10.1109/ISEMC.1978.7566833","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566833","url":null,"abstract":"","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114370958","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
An Applied Analytical Approach to the Coupling of RF Energy into a Cylindrical Enclosure 射频能量在圆柱形外壳内耦合的应用解析方法
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566895
R. M. Swink
{"title":"An Applied Analytical Approach to the Coupling of RF Energy into a Cylindrical Enclosure","authors":"R. M. Swink","doi":"10.1109/ISEMC.1978.7566895","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566895","url":null,"abstract":"","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132103496","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 Response of Various Interface Configurations in the Presence of a Broadband High Impedance Noise Source 宽带高阻噪声源存在时不同接口结构的响应
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-01 DOI: 10.1109/ISEMC.1978.7566880
M. Stys, D. P. Griffin
{"title":"The Response of Various Interface Configurations in the Presence of a Broadband High Impedance Noise Source","authors":"M. Stys, D. P. Griffin","doi":"10.1109/ISEMC.1978.7566880","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566880","url":null,"abstract":"The setup used to obtain the interface noise perfor­ mance data is shown in Figure 1. The frequencies of the square wave train transmitted through the interface are 100 KHz and 1 MHz. The driverreceiver combinations used are listed in Table I. The noise pulse waveform produced by the noise source is illustrated in Figure 2. These pulses were generated at 30 Hz and 60 Hz. The noise pulses were also synchronized to fire at various points on the square wave train being transmitted through the interface. Results","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"54 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126028260","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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