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A career (to date) in electromagnetics [From the Historian] 电磁学的职业生涯(至今)[来自历史学家]
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-12-01 DOI: 10.1109/MAP.1989.6102035
C. Baum
{"title":"A career (to date) in electromagnetics [From the Historian]","authors":"C. Baum","doi":"10.1109/MAP.1989.6102035","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102035","url":null,"abstract":"I am pleased to offer this historical article by Carl Baum. I have known Carl since the early 70s, when much of the work described was in its early development stage. Indeed, it is interesting for me to note that Carl recommends reading the special AP issue published when I was editor of the Transactiom. During that publication period we were having great difficulty with page limtations (700-800 pages per year), and I had a stressful time with the article-length problem. It should be noted that our present journal is¿ nearly double the volume allowed then. Several of us at the time made a plea to AdCom to expand the length to 1,000 pages!! This was soundly defeated, because of the fear that our finances would suffer greatly, and that this change was certainly too radical a step. Perhaps this page limitation problem spurred Carl on to further expand his Notes, a worthwhile and, certainly, a widely appreciated activity. In my opinion, the growth of our Socief in the past fifteen years is, in part, due to the edication of individuals such as Carl. WFC]","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115697497","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
Further comments on the definition of antenna gain 关于天线增益定义的进一步评论
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-12-01 DOI: 10.1109/MAP.1989.6102043
J. Hang
{"title":"Further comments on the definition of antenna gain","authors":"J. Hang","doi":"10.1109/MAP.1989.6102043","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102043","url":null,"abstract":"[Editor's note: Three short articles concerning the definition of the gain of active antenna systems and planar arrays appeared on pages 62-64 of the October, 1989, Newsletter. The following comments were solicited by Antoine Roederer as a part of the questions he raised in the October issue, but unfortunately arrived a few da s too late to include in that issue. Alan J. Simmons ($0 Box 103, Winchester, MA 01890) and Donald G. Bodnar (GTRI/CCRF/STL/ATD-Room 4-138, Georgia Institute of Technology, Atlanta, GA 30332 also solicited input from M - S regarding the gain o d active antenna s stems, as a result of discussions at an Antenna StandYards Committee meeting during the San Jose symposium. This later input was sollcited on behalf of the Committee. Those wishing to contribute to this discussion are requested to send their comments to the appropriate author, with copies to Alan Simmons or Donald Bodnar, who will act as coordinators for these discussions. WRS]","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124878280","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
Advanced engineering electromagnetics, by Constantine A. Balanis [Book review] 高级工程电磁学，Constantine A. Balanis著[书评]
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-12-01 DOI: 10.1109/MAP.1989.6102037
A. Glisson
{"title":"Advanced engineering electromagnetics, by Constantine A. Balanis [Book review]","authors":"A. Glisson","doi":"10.1109/MAP.1989.6102037","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102037","url":null,"abstract":"This volume is a welcome additin to the collection of texts available for adoption in graduate electromagnetic theory courses. Given its length, collection of topics, and readability, it is clearly appropriate for a two-semester course in advanced electromagnetic theory. It also will find considered use as a reference text","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123933028","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
Parting thoughts of the past transactions editor 别离的思念，过往的交易编辑
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-12-01 DOI: 10.1109/MAP.1989.6102039
Ron Pogorzelrki
{"title":"Parting thoughts of the past transactions editor","authors":"Ron Pogorzelrki","doi":"10.1109/MAP.1989.6102039","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102039","url":null,"abstract":"Over the three years during which I was Editor of the AP Transactions, I periodically reported to the AdCom the state of the journal, in the form of statistical data concerning papers in process. Now that I have handed off the editorial responsibilities to our new Editor, Bob McIntosh, and have had time to catch up a bit on my othear activities, I thought it might be interest to the readership of the Newsletter if I were to briefly review this statistical data. Early in my term, we began to keep track of the number of equivalent journal pages currently at each stage of the publication process. Later, additional parameters were added to the report, including review time and total processing time, as well as the distribution of submissions over the various subject areas. Thus, in attempting to summarize the three years of data, I have had to accommodate some gaps where data was not tracked. However, for the most part the three-year picture is fairly complete.","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129227994","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
The definition of gain for active antenna systems and for planar arrays: comments and requests for input 有源天线系统和平面阵列增益的定义:对输入的评论和要求
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102072
D. Bodnar, A. Simmons
{"title":"The definition of gain for active antenna systems and for planar arrays: comments and requests for input","authors":"D. Bodnar, A. Simmons","doi":"10.1109/MAP.1989.6102072","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102072","url":null,"abstract":"","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121057018","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
Gain of active Antenna Systems: Antenna Standards committee requests input 有源天线系统增益:天线标准委员会要求输入
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102071
A. Simmons, D. Bodnar
{"title":"Gain of active Antenna Systems: Antenna Standards committee requests input","authors":"A. Simmons, D. Bodnar","doi":"10.1109/MAP.1989.6102071","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102071","url":null,"abstract":"The major topic of discussion at the Antenna bers on the subject, on how their organizations are posium was how to define the gam of active antenna antenna systems, and on what definitions would prove systems. (BY the term \"active antenna system\", what useful to the antenna community. In the end, the job is meant is an antenna system in which active devices of the committee is to develop standard definitions such as amplifiers, receivers, oscillators, Or 0 t h that are not only precise and correct, but are also active devices are embedded, so inextricably that the useful. passive antenna gain cannot be directly measured. An example is a phased array with individual transmitrecelve modules attached to each element in the Please send comments to the committee chair, array.)","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130736234","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: 9
On the gain of large planar arrays 大型平面阵列的增益
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102074
R. King
{"title":"On the gain of large planar arrays","authors":"R. King","doi":"10.1109/MAP.1989.6102074","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102074","url":null,"abstract":"For a large planar array of closed loops of dipoles, operated in one of its many possible resonant modes, the present definition of gain would seem to be preferable to that suggested by Dr. Roederer. There appears to be no reason for including mismatch losses into the definition of gain. The term gain or directivity should be reserved for properties of the field generated by the currents in the elements of an array. Losses in feeding and matching networks are important and need to be determined, but they are best kept separate from the radiated field and its directive properties, as expressed in the present IEEE definition of gain.","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116637346","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
Parallel computation of electromagnetic fields on transputers 计算机上电磁场的并行计算
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102061
C. Hafner
{"title":"Parallel computation of electromagnetic fields on transputers","authors":"C. Hafner","doi":"10.1109/MAP.1989.6102061","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102061","url":null,"abstract":"About ten years ago, after a long struggle with our bureaucracy, I got a Tektronix 4051, with BASIC interpreter and 16 kB (kilobytes) of memory. I felt really happy, because I could edit programs and input data locally, even when all ports of the CDC 6500 were busy, or when the mainframe was not runnin for one of numerous reasons. But it still was a kght against the system, rather than working with a computer: Hours of data transfers and colleagues working on the same machine forced me to interrupt my investigations quite often","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127029554","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: 8
Some comments on the gain of large planar arrays 对大型平面阵列增益的几点评述
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102073
A. Roederer
{"title":"Some comments on the gain of large planar arrays","authors":"A. Roederer","doi":"10.1109/MAP.1989.6102073","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102073","url":null,"abstract":"The brief discussion in this note suggests that reference to realized gains sheds a different light on practical performances of composite antennas, and that It might be indicated to reconsider whether the \"old\" IEEE definition of gain is still the best for application to modern antenna systems.","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130421923","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
Numerical techniques for microwave and millimeter- wave passive structures, edited by Tatsuo Itoh [Book review] 微波和毫米波被动结构的数值技术，Itoh Tatsuo编辑[书评]
IEEE Antennas and Propagation Society Newsletter Pub Date : 1989-10-01 DOI: 10.1109/MAP.1989.6102064
A. Glisson
{"title":"Numerical techniques for microwave and millimeter- wave passive structures, edited by Tatsuo Itoh [Book review]","authors":"A. Glisson","doi":"10.1109/MAP.1989.6102064","DOIUrl":"https://doi.org/10.1109/MAP.1989.6102064","url":null,"abstract":"As newly-ap ointed AP-S Chapter Activity Chairman, I would li k“ e to thank our past Chairman, Jay Schindler, for his outstanding contributions in supporting all the Chapters. In the last several years, we have experienced growing interest in Chapter activities, as evident from our last year’s activity reports. It is our belief that local Chapters are capable of improving and increasing interest and interaction among the AP-S members. This is primarily achieved by organizing regular meetin s and inviting outstanding speakers, who address techcal areas of current interest to the local members. As a new Chairman, I would like to assist Chapters as much as possible, and I hope that we will be able to effectively serve our members. There are different types of Chapter activities which are available for each Chapter, based on its needs. It is the Chapter officers’ responsibility to bring their Chapter’s needs to my attention. As it was explained in our Chapter officers’ meeting in San Jose, Chapters who request financial support must justify their requests carefully and properly.","PeriodicalId":377321,"journal":{"name":"IEEE Antennas and Propagation Society Newsletter","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121068468","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: 8
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