Pub Date : 1956-07-01DOI: 10.1109/TAP.1956.1144420
H. Motz
{"title":"Cerenkov and undulator radiation","authors":"H. Motz","doi":"10.1109/TAP.1956.1144420","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144420","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121225744","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144401
E. Hallén
of the auth0r.l-3 In this equation the distance between two points on the antenna is normally represented by the distance between the corresponding points on some central line. Only when the distance is small this is not permitted and from such regions arises the only term which contains the dimension of the cross section, which is a parameter mainly consisting of a logarithm. The equation therefore has a certain limited degree of accuracy which is such that the ratio of the radius of cross section to the length of the antenna or to the wavelength is neglected compared with unity. The results which can be drawn from the linearized integral equation thus also should have this limited accuracy which is a normal one in electrotechnics in all kinds of devices, where wires are involved. Nevertheless much discussion has gone on about this accuracy. The only way of finding definite numerical answers to this question is to solve exactly the antenna integral equations, both the linearized one and the exact one, for some special case. Nowadays this can be done for a straight cylindrical tube-shaped antenna. (R. Gans has recently expressed the opinion that Hallen’s linearized integral equation should not have any exact sol~tion.~~ This is a mistake made by Gans because he apparently has never seen my original papers. What he studies and criticizes is the coarser form of the equation given in many American papers and books as “Hall6n’s integral equation.” Gans in reality criticizes the deviation that is made in those papers from my own form, which is not subject to any criticism of the kind expressed by Gans.6.7
{"title":"Exact treatment of antenna current wave reflection at the end of a tube-shaped cylindrical antenna","authors":"E. Hallén","doi":"10.1109/TAP.1956.1144401","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144401","url":null,"abstract":"of the auth0r.l-3 In this equation the distance between two points on the antenna is normally represented by the distance between the corresponding points on some central line. Only when the distance is small this is not permitted and from such regions arises the only term which contains the dimension of the cross section, which is a parameter mainly consisting of a logarithm. The equation therefore has a certain limited degree of accuracy which is such that the ratio of the radius of cross section to the length of the antenna or to the wavelength is neglected compared with unity. The results which can be drawn from the linearized integral equation thus also should have this limited accuracy which is a normal one in electrotechnics in all kinds of devices, where wires are involved. Nevertheless much discussion has gone on about this accuracy. The only way of finding definite numerical answers to this question is to solve exactly the antenna integral equations, both the linearized one and the exact one, for some special case. Nowadays this can be done for a straight cylindrical tube-shaped antenna. (R. Gans has recently expressed the opinion that Hallen’s linearized integral equation should not have any exact sol~tion.~~ This is a mistake made by Gans because he apparently has never seen my original papers. What he studies and criticizes is the coarser form of the equation given in many American papers and books as “Hall6n’s integral equation.” Gans in reality criticizes the deviation that is made in those papers from my own form, which is not subject to any criticism of the kind expressed by Gans.6.7","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126416589","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144417
C. Muller
{"title":"Electromagnetic radiation patterns and sources","authors":"C. Muller","doi":"10.1109/TAP.1956.1144417","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144417","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132161051","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144404
S. Silver
{"title":"Panel discussion on boundary value problems of diffraction and scattering theory (II)","authors":"S. Silver","doi":"10.1109/TAP.1956.1144404","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144404","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122677850","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144391
R. Spencer
{"title":"Panel discussion on antenna theory and microwave optics","authors":"R. Spencer","doi":"10.1109/TAP.1956.1144391","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144391","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126138494","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144426
C. Dolph
{"title":"The mathematician grapples with linear problems associated with the radiation condition","authors":"C. Dolph","doi":"10.1109/TAP.1956.1144426","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144426","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"660 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123050653","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144388
J. Weisner
{"title":"Panel discussion on forward and multiple scattering","authors":"J. Weisner","doi":"10.1109/TAP.1956.1144388","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144388","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122021402","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 : 1956-07-01DOI: 10.1109/TAP.1956.1144414
R. Ritt
{"title":"The modeling of physical systems","authors":"R. Ritt","doi":"10.1109/TAP.1956.1144414","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144414","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127445529","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 : 1956-04-01DOI: 10.1109/TAP.1956.1144374
E. Braun
{"title":"Radiation characteristics of the spherical luneberg lens","authors":"E. Braun","doi":"10.1109/TAP.1956.1144374","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144374","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123804052","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 : 1956-04-01DOI: 10.1109/TAP.1956.1144370
J. Wait
{"title":"Effect of the ground screen on the field radiated from a monopole","authors":"J. Wait","doi":"10.1109/TAP.1956.1144370","DOIUrl":"https://doi.org/10.1109/TAP.1956.1144370","url":null,"abstract":"","PeriodicalId":133512,"journal":{"name":"IRE Transactions on Antennas and Propagation","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133155563","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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