Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568814
John W. Kozicki
In the modern naval task force, Electromagnetic Interference (EMI) between missile systems poses a serious threat to successful mission completion. An interactive computer program has been developed for use as a fleet tool to rapidly analyze the EMI problem. The program provides frequency management and tactical options to insure Electromagnetic Compatibility (EMC) within a missile equipped task force.
{"title":"Electromagnetic Compatibility Analysis Program (EMCAP) an Automated Frequency Management Tool for EMC Between Surface Missile Systems","authors":"John W. Kozicki","doi":"10.1109/ISEMC.1979.7568814","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568814","url":null,"abstract":"In the modern naval task force, Electromagnetic Interference (EMI) between missile systems poses a serious threat to successful mission completion. An interactive computer program has been developed for use as a fleet tool to rapidly analyze the EMI problem. The program provides frequency management and tactical options to insure Electromagnetic Compatibility (EMC) within a missile equipped task force.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125626279","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568835
G. Gratta, H. Lorke, P. Persson
This report is based on the results of activities carried out in CCITT * Study Group V. This Study Group is responsible for questions relating to the protection of wire telecommunication installations against the effects of external electromagnetic fields. The activities of Study Group V were described in detail on the EMC Symposium of 1978 in Wroclaw (People's Republic of Poland).
{"title":"Special EMC Problems in Public Wire Telecommunication Installations","authors":"G. Gratta, H. Lorke, P. Persson","doi":"10.1109/ISEMC.1979.7568835","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568835","url":null,"abstract":"This report is based on the results of activities carried out in CCITT * Study Group V. This Study Group is responsible for questions relating to the protection of wire telecommunication installations against the effects of external electromagnetic fields. The activities of Study Group V were described in detail on the EMC Symposium of 1978 in Wroclaw (People's Republic of Poland).","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116812054","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568836
D. P. Anderson, A. R. Thompson
The United States position for the 1979 World Administrative Radio Conference (WARC-79) proposes sharing of frequency bands by the fixed and international broadcasting services in the High Frequency (HF) bands. In the past, frequency allocations for international broadcasting have been made exclusive due to the high powers employed. A time sharing example is described which assigns geographical areas of operation to each service based upon limiting the hours of operation of each radio service. The impact upon selected domestic fixed circuits by transmissions from several different international broadcast stations is examined.
{"title":"Sharing Between Fixed and International Broadcasting - A Time Sharing Example","authors":"D. P. Anderson, A. R. Thompson","doi":"10.1109/ISEMC.1979.7568836","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568836","url":null,"abstract":"The United States position for the 1979 World Administrative Radio Conference (WARC-79) proposes sharing of frequency bands by the fixed and international broadcasting services in the High Frequency (HF) bands. In the past, frequency allocations for international broadcasting have been made exclusive due to the high powers employed. A time sharing example is described which assigns geographical areas of operation to each service based upon limiting the hours of operation of each radio service. The impact upon selected domestic fixed circuits by transmissions from several different international broadcast stations is examined.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117162646","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568806
L. Walko, T. Seymour
Within the last few years new techniques have been developed for the measurement of natural and simulated lightning phenomena. These techniques have evolved from the need for increasingly accurate measurements of the electromagnetic effects of lightning as in regards to aircraft lightning protection. This need stems from the use of new technologies such as low power level solid state electronics in critical aircraft circuits and advanced composite materials in aircraft structures. This paper describes new techniques used to increase the accuracy of natural and simulated lightning measurements and describes techniques that are in development.
{"title":"New Techniques for the Measurement of Natural and Simulated Lightning Phenomena","authors":"L. Walko, T. Seymour","doi":"10.1109/ISEMC.1979.7568806","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568806","url":null,"abstract":"Within the last few years new techniques have been developed for the measurement of natural and simulated lightning phenomena. These techniques have evolved from the need for increasingly accurate measurements of the electromagnetic effects of lightning as in regards to aircraft lightning protection. This need stems from the use of new technologies such as low power level solid state electronics in critical aircraft circuits and advanced composite materials in aircraft structures. This paper describes new techniques used to increase the accuracy of natural and simulated lightning measurements and describes techniques that are in development.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115408007","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568842
M. Roney, S. Caine, William Masi, T. Derieux
This paper describes the Navy program to integrate the application of electromagnetic compatibility (EMC) considerations with those of related electromagnetic effects of radiation hazards, electronic counter-countermeasures, electromagnetic pulse and natural effects of precipitation static and lightning into the design, development, test and evaluation, and operation of equipment, systems and platforms. The program includes standardization, documentation, test and evaluation, data base, technology transfer and design integration.
{"title":"Integration of Electromagnetic Environmental Considerations into Navy Programs","authors":"M. Roney, S. Caine, William Masi, T. Derieux","doi":"10.1109/ISEMC.1979.7568842","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568842","url":null,"abstract":"This paper describes the Navy program to integrate the application of electromagnetic compatibility (EMC) considerations with those of related electromagnetic effects of radiation hazards, electronic counter-countermeasures, electromagnetic pulse and natural effects of precipitation static and lightning into the design, development, test and evaluation, and operation of equipment, systems and platforms. The program includes standardization, documentation, test and evaluation, data base, technology transfer and design integration.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115564273","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568780
T. Buckman, C. B. Williams, B. Gage, W. Rabke
Determining be susceptibiIity of an electronic system to an electromangetic-pulse has often been found many times more expensive than the actual protection of the equipment once vulnerabilities are known, whether the susceptibility assessment is performed by engineering analysis or by pulse test. This paper describes utilization of a specialized measurement system developed for the Defense Nuclear Agency to empirically predict response of a complex electronic communications installation to an electromagnetic pulse after illuminating the installation with nondisruptive low level continuous wave radiation. Effect of varying antenna design on pulse response is discussed, and comparisons of predicted and actual pulse response waveforms of several points within the installation are provided. A method of transforming the continuous wave data to pulse response is presented. The method shows promise for lightning analysis as well as its obvious cost effectivity as an EMP assessment tool. The paper discusses utilization of the measurement system in assurance testing of electromagnetic pulse protected installations.
{"title":"Empirical Electromagnetic Pulse Response Predictions Using Stepped Continuous Wave Measurement System","authors":"T. Buckman, C. B. Williams, B. Gage, W. Rabke","doi":"10.1109/ISEMC.1979.7568780","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568780","url":null,"abstract":"Determining be susceptibiIity of an electronic system to an electromangetic-pulse has often been found many times more expensive than the actual protection of the equipment once vulnerabilities are known, whether the susceptibility assessment is performed by engineering analysis or by pulse test. This paper describes utilization of a specialized measurement system developed for the Defense Nuclear Agency to empirically predict response of a complex electronic communications installation to an electromagnetic pulse after illuminating the installation with nondisruptive low level continuous wave radiation. Effect of varying antenna design on pulse response is discussed, and comparisons of predicted and actual pulse response waveforms of several points within the installation are provided. A method of transforming the continuous wave data to pulse response is presented. The method shows promise for lightning analysis as well as its obvious cost effectivity as an EMP assessment tool. The paper discusses utilization of the measurement system in assurance testing of electromagnetic pulse protected installations.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"464 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125823678","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568788
Carl S. Droste, R. Zeitler, James L. Dabold
The General Dynamics F-16 aircraft represents the beginning of a new era in Flight Control System design. The F-16 is the first operational aircraft with a fly-by-wire system where flight control is completely dependent on electrical/electronic circuitry. Because of this fly-by-wire system, a program was conducted to design the aircraft against the effects of lightning. Particular concern was paid to lightning-induced voltages and currents which could be coupled into the flight critical systems and subsequently cause damage to sensitive electronic components. This paper is an account of the lightning susceptibility test program performed on the F-16 fly-by-wire system and how that system was hardened against the effects of lightning.
{"title":"A Lightning Protection Program for the F-16 Fly-By-Wire System","authors":"Carl S. Droste, R. Zeitler, James L. Dabold","doi":"10.1109/ISEMC.1979.7568788","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568788","url":null,"abstract":"The General Dynamics F-16 aircraft represents the beginning of a new era in Flight Control System design. The F-16 is the first operational aircraft with a fly-by-wire system where flight control is completely dependent on electrical/electronic circuitry. Because of this fly-by-wire system, a program was conducted to design the aircraft against the effects of lightning. Particular concern was paid to lightning-induced voltages and currents which could be coupled into the flight critical systems and subsequently cause damage to sensitive electronic components. This paper is an account of the lightning susceptibility test program performed on the F-16 fly-by-wire system and how that system was hardened against the effects of lightning.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"314 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125980623","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568844
T. Dvorak, G. Meyer
Various factors influencing the propagation of metric waves in the presence of ground are discussed with special regard to the zone of field oscillations near to the source. Theoretical considerations are illustrated by computer-generated graphs showing how the received field depends on polarization, distance, frequency, soil parameters, antenna height and vertical directivity. In conclusion the impact on radiated measurements is considered and the reasons for discrepancies in vertical measurements commented.
{"title":"Influence of Ground Reflection in Open Site Measurements of Broadband Interference","authors":"T. Dvorak, G. Meyer","doi":"10.1109/ISEMC.1979.7568844","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568844","url":null,"abstract":"Various factors influencing the propagation of metric waves in the presence of ground are discussed with special regard to the zone of field oscillations near to the source. Theoretical considerations are illustrated by computer-generated graphs showing how the received field depends on polarization, distance, frequency, soil parameters, antenna height and vertical directivity. In conclusion the impact on radiated measurements is considered and the reasons for discrepancies in vertical measurements commented.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132553439","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568839
W. Kuebler
The problem addressed is the interference-free operation of n identical transmitters and n identical receivers arranged at fixed intervals. The deterministic solution to this problem is applied to the practical problem of naval vessels arranged in a ringlike screen. Every ship is postulated to carry the same transmitter/receiver equipment. It is required that the channels are assigned to each ship to ensure interference-free operation and in such a manner that, given the radius of the ring, the optimum number of ships may be placed in the ring.
{"title":"Spectrum Management Through Optimum Channel Assignments","authors":"W. Kuebler","doi":"10.1109/ISEMC.1979.7568839","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568839","url":null,"abstract":"The problem addressed is the interference-free operation of n identical transmitters and n identical receivers arranged at fixed intervals. The deterministic solution to this problem is applied to the practical problem of naval vessels arranged in a ringlike screen. Every ship is postulated to carry the same transmitter/receiver equipment. It is required that the channels are assigned to each ship to ensure interference-free operation and in such a manner that, given the radius of the ring, the optimum number of ships may be placed in the ring.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133897345","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}
Pub Date : 1979-10-01DOI: 10.1109/ISEMC.1979.7568800
J. Brettle, M. Baskerville
The requirements for reliable low impedance electrical bonds in aircraft are discussed. The problems of making bonds and the often competing requirements of corrosion protection and low interface resistance are described. Some preliminary results on the electrical properties of carbon fibre composite (CFC) materials and bonding of CFC are presented.
{"title":"Electrical Bonding in Aircraft","authors":"J. Brettle, M. Baskerville","doi":"10.1109/ISEMC.1979.7568800","DOIUrl":"https://doi.org/10.1109/ISEMC.1979.7568800","url":null,"abstract":"The requirements for reliable low impedance electrical bonds in aircraft are discussed. The problems of making bonds and the often competing requirements of corrosion protection and low interface resistance are described. Some preliminary results on the electrical properties of carbon fibre composite (CFC) materials and bonding of CFC are presented.","PeriodicalId":283257,"journal":{"name":"1979 IEEE International Symposium on Electromagnetic Compatibility","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123959180","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}
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