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1978 IEEE International Symposium on Electromagnetic Compatibility最新文献

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Field Penetration of Shielding Barriers, Low Frequency Effects 屏蔽屏障的场穿透，低频效应
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566835
A. J. Mullen
{"title":"Field Penetration of Shielding Barriers, Low Frequency Effects","authors":"A. J. Mullen","doi":"10.1109/ISEMC.1978.7566835","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566835","url":null,"abstract":"I t is commonplace among e le c t r o m a g n e t ic s h i e l d i n g e n g in e e r s t h a t low f re q u e n c y m agnet ic s h i e l d i n g p r e ­ se n ts un ique prob lem s. I t may be g e n e r a l l y s t a t e d t h a t , f o r c e r t a i n mid f r e q u e n c i e s , s h i e l d i n g is w e l l unders tood an d , a t v e ry h igh f r e q u e n c i e s , a n o th e r un ique s e t o f problems o c c u r . In t h i s s h o r t p a p e r , I w i l l address low f req uen cy and s t a t i c magnetic s h i e l d i n g .","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"378 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115308465","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
Spacecraft Electromagnetic Environment Prediction 航天器电磁环境预测
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566838
S. Erickson
{"title":"Spacecraft Electromagnetic Environment Prediction","authors":"S. Erickson","doi":"10.1109/ISEMC.1978.7566838","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566838","url":null,"abstract":"The NASA Space Shuttle orbiter, as a test bed for low-orbit space laboratory experiments, needs an orbiter system electromagnetic environment that is well defined for the user. This report covers some aspects of defining the requirements for definition development. The orbiter avionic black boxes are designed in accordance with slightly modified MIL-STD-461 electromagnetic emission and susceptibility requirements, and these requirements provide a baseline to develop the system requirements. This report deals with the signal and power grounding system and the attendant prediction of common mode voltages and ac and dc magnetic fields. The RF fields are not discussed.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127886074","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
Computer-Aided Analysis of RFI Effects in Integrated Circuits 集成电路中RFI效应的计算机辅助分析
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566830
J. Whalen, J. Tront, C. Larson, J. Roe
{"title":"Computer-Aided Analysis of RFI Effects in Integrated Circuits","authors":"J. Whalen, J. Tront, C. Larson, J. Roe","doi":"10.1109/ISEMC.1978.7566830","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566830","url":null,"abstract":"The modified Ebers-Moll model for a bipolar junc­ tion transistor has been developed for predicting RFI 1-3 effects in bipolar integrated circuits. In this paper it will be shown that the modified Ebers-Moll model can be used with electronic circuit analysis programs such as SPICE (Simulation Program with Inte­ grated Circuit Emphasis) to provide useful information about RFI effects in digital bipolar integrated 4 circuits.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124716809","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
AC Voltage Induction on Buried Pipelines 埋地管线交流电压感应
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566863
J. Dabkowski
{"title":"AC Voltage Induction on Buried Pipelines","authors":"J. Dabkowski","doi":"10.1109/ISEMC.1978.7566863","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566863","url":null,"abstract":"","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124964436","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
Preliminary Technical Assessment of the Feasibility of Frequency Sharing by Fixed and Mobile Users in the 4-28 MHz Frequency Range 固定及流动用户在4-28兆赫频率范围内共用频率可行性的初步技术评估
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566821
D. Sailors, Rita P. Brown
{"title":"Preliminary Technical Assessment of the Feasibility of Frequency Sharing by Fixed and Mobile Users in the 4-28 MHz Frequency Range","authors":"D. Sailors, Rita P. Brown","doi":"10.1109/ISEMC.1978.7566821","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566821","url":null,"abstract":"The circuit compatibility of fixed and mobile users at HF has been calculated. Interference to the fixed service is at a minimum: (1) for a mobile system with low channel usage; (2) for a radiotelephony fixed system, when SSB modulation is used; and (3) under fading conditions when diversity reception is employed. High circuit com­ patibility also occurs when the interfering transmitter is in the skip zone of the desired receiver and during time periods when either the shared frequency is well above the MUF for the fixed system propa­ gation path or is well below the LUF for the fixed system path.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114368388","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
Factors in an EM Methodology EM方法论中的因素
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566828
D. E. Clark
{"title":"Factors in an EM Methodology","authors":"D. E. Clark","doi":"10.1109/ISEMC.1978.7566828","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566828","url":null,"abstract":"Weapon system complexity and cost saving concepts are forcing changes in management and engineering methods for solving EM problems. Methodologies for use in weapon system acquisition are currently in the evolutionary stage of development within the EM commu­ nity. To cope with the changes, systematic and logical procedures are needed to define common goals, to commu­ nicate within large orgainzational structures, and to ensure good planning. Five factors for inclusion in an EM methodology are identified and discussed.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133044666","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
FAA Remote Terminal System Frequency Assignment Model 美国联邦航空局远程终端系统频率分配模型
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566869
Charles W Cram, T. Hensler
{"title":"FAA Remote Terminal System Frequency Assignment Model","authors":"Charles W Cram, T. Hensler","doi":"10.1109/ISEMC.1978.7566869","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566869","url":null,"abstract":"","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130410361","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
Some Considerations for Band-Sharing in the Electromagnetic Spectrum 电磁频谱中频段共享的一些考虑
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566820
C. L. Smith
{"title":"Some Considerations for Band-Sharing in the Electromagnetic Spectrum","authors":"C. L. Smith","doi":"10.1109/ISEMC.1978.7566820","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566820","url":null,"abstract":"As the num ber and kinds of services using or seeking space in the electrom agnetic spectrum seems to be increasing drasti­ cally some basic changes in our management of spectrum as­ signments are needed. In this paper an attem pt is made to sort ou t some of the techniques by which m ore than one service can share com m on frequency assignm ents. The 5th N O I for WARC-79 indicates a determ ination oil the part of the FCC to move in the direction of greater spectrum sharing. Common frequency assignments can be made if due regard fo r time, mode, polarization, type of service, pow er levels, queuing and a num ber of other factors are considered. The question of “ prior­ ity ’ ’ users versus ‘ ‘ secondary’ ’ services is discussed along with some subsidiary items such as interference levels. A major area of spectrum use im provem ent appears to be A dm inistrative. In this category are those adm inistrative changes which would suppress wasteful spectrum practices.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130104478","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
Recent Advances in Indirect Lightning Effects Research 间接闪电效应研究进展
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566841
L. Walko, K. Maxwell, J. Schneider, A. Serrano
{"title":"Recent Advances in Indirect Lightning Effects Research","authors":"L. Walko, K. Maxwell, J. Schneider, A. Serrano","doi":"10.1109/ISEMC.1978.7566841","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566841","url":null,"abstract":"Lightning effects research being conducted by the Electromagnetic Hazards Group of the Air Force Flight Dynamics Laboratory has resulted in a number of recent advances that enhance the ability to de­ termine the susceptibility of aircraft to the natural lightning hazard. These advances affect the ability to define the probable lightning attachment points, the probability of attachment, the characteristics of electrical transients on the aircraft structure and electrical circuits, and the spatial and physical mechanisms associated with the electrical transients. The advances have been in both the analysis and test­ ing areas of lightning effects research. However, it is the improved testing and data processing equip­ ment and procedures that have resulted in the ability to use more advanced analysis methods which, in turn, permit the development of more meaningful experiments that yield more useful and accurate results.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129499353","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 Technological Basis for Radiated Susceptibility and Emissions Specifications 改进辐射敏感性和发射规范的技术基础
1978 IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1978-06-20 DOI: 10.1109/ISEMC.1978.7566827
J. Roe
{"title":"An Improved Technological Basis for Radiated Susceptibility and Emissions Specifications","authors":"J. Roe","doi":"10.1109/ISEMC.1978.7566827","DOIUrl":"https://doi.org/10.1109/ISEMC.1978.7566827","url":null,"abstract":"Near-field radiated interference scenarios as typified by boxto-box coupling within the confines of a system envelope cannot be treated by far-field concepts. Specification limits based upon to tal em itted power and minimum power required to produce interference are proposed, and the means to m eas­ ure these quantities are described. M any practical benefits are expected including elimination of am biguities, ability to in­ clude dem onstrable system losses in the specification, a “ de­ rating\" procedure to reduce te s t time, and the ability to take advantage of computers and programm able te st equipment.","PeriodicalId":377995,"journal":{"name":"1978 IEEE International Symposium on Electromagnetic Compatibility","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128391688","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
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