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An Overview of Integral Equation Techniques Applied to Microstrip Antenna Design 积分方程技术在微带天线设计中的应用综述
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333619
J. Mosig, F. Gardiol
{"title":"An Overview of Integral Equation Techniques Applied to Microstrip Antenna Design","authors":"J. Mosig, F. Gardiol","doi":"10.1109/EUMA.1985.333619","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333619","url":null,"abstract":"In the past decade, microstrip planar structures and, in particular, microstrip antennas have found an increasing number of applications which span a very large field, ranging from biomedical diagnosis to satellite radiocommunications. This popularity, added to the fact that microstrip geometry is relatively simple, has turned microstrip analysis into a cornerstone problem to which almost every mathematical technique currently used in electromagnetics has been applied. This is witnessed by a huge amount of technical litterature and several monographic books published in recent years [1-3].","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128279338","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: 45
Rain Attenuation in Terrestrial and Satellite Communications Links 地面和卫星通信链路的雨水衰减
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333606
M. Sekine, Chen Chii-Dong
{"title":"Rain Attenuation in Terrestrial and Satellite Communications Links","authors":"M. Sekine, Chen Chii-Dong","doi":"10.1109/EUMA.1985.333606","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333606","url":null,"abstract":"Specific attenuation values from 1 to 1000 GHz are calculated by using the negative exponential, Best and Weibull raindrop-size distributions. It is shown that the Weibull distribution is a useful tool for rain attenuation calculations of centimeter, mitlimeter and submillimeter radio waves. The empirical relation A=aRb between the specific attenuation A and the rainfall rate R is also tabulated for these three distributions.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128604207","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: 12
GaAs Monolithic Microwave Integrated Circuits 砷化镓单片微波集成电路
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333467
W. Wisseman
{"title":"GaAs Monolithic Microwave Integrated Circuits","authors":"W. Wisseman","doi":"10.1109/EUMA.1985.333467","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333467","url":null,"abstract":"Rapid advances have been made in GaAs monolithic microwave integrated circuits (MMICs) during the past several years. This paper will review the status of monolithic technology, focusing on power amplifier development and the extension of amplifier operation to frequencies of 20 GHz and above.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129994737","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
Frequency and Time Domain Analysis of Microstrip Antennas 微带天线的频域和时域分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333616
J. Kedzia, B. Jecko
{"title":"Frequency and Time Domain Analysis of Microstrip Antennas","authors":"J. Kedzia, B. Jecko","doi":"10.1109/EUMA.1985.333616","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333616","url":null,"abstract":"Microstrip antennas in a wire grid configuration are investigated. To this end, the current distribution along printed wire antennas can be computed by means of Sommerfeld type integrals, requiring particular analytical and numerical treatment on account of surface wave modes. The results are then generalized to microstrip antennas and compared with those obtained via a time domain analysis.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121243921","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
Stable Millimeter Wave Sources using Subharmonically Injection Locked Gunn-Oscillators 使用亚谐波注入锁定炮振荡的稳定毫米波源
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333478
D. Degrugillier, C. Dalle, M. Friscourt, P. Rolland
{"title":"Stable Millimeter Wave Sources using Subharmonically Injection Locked Gunn-Oscillators","authors":"D. Degrugillier, C. Dalle, M. Friscourt, P. Rolland","doi":"10.1109/EUMA.1985.333478","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333478","url":null,"abstract":"94 GHz stable sources using 2nd harmonic GaAs Gunn diodes and injection locking at 47 GHz by a high order avalanche frequency multiplier have been built. These sources exhibit a very low FM noise (less than - 80 dBc/Hz, 10 KHz from the carrier frequency). Power combining with InP fundamental Gunn diodes has provided medium power (30 - 50 mW) highly stable sources which enable frequency tuning and frequency modulation.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133452327","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
The Transient State of Arbitrarily Shaped Microstrip Antennas 任意形状微带天线的瞬态
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333617
M. Dragoman, G. Sajin
{"title":"The Transient State of Arbitrarily Shaped Microstrip Antennas","authors":"M. Dragoman, G. Sajin","doi":"10.1109/EUMA.1985.333617","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333617","url":null,"abstract":"Using the specific methods of transient electromagnetic field some new aspects of microstrip antennas are discussed. The transient response, the input impedance, the realizability and the possibility of an equivalent circuit of these antennas are presented.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134274795","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
Mapping the Internal Electric Field in Models of Biological Objects 生物物体模型的内部电场映射
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333551
A. Kraszewski
{"title":"Mapping the Internal Electric Field in Models of Biological Objects","authors":"A. Kraszewski","doi":"10.1109/EUMA.1985.333551","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333551","url":null,"abstract":"A computer-controlled scanning system and triaxial electric field probes were used to measure spatial distribution of the electric field in a full-scale homogeneous model of the human body. Experimental results obtained at frequencies 160 MHz, 350 MHz and 915 MHz in the near-field of resonant dipoles and slots with reflectors are presented.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"18 785 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134486879","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 New Type of Drop-In Microstrip Circulator on Soft Substrate Materials 一种新型软基材料插入式微带环行器
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333576
S. Lenz, J. Wienke, W. Hauth
{"title":"A New Type of Drop-In Microstrip Circulator on Soft Substrate Materials","authors":"S. Lenz, J. Wienke, W. Hauth","doi":"10.1109/EUMA.1985.333576","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333576","url":null,"abstract":"The paper describes a new type of microstrip circulator which is constructed on a metal plate-backed Teflon laminate. A theoretical investigation of the split-resonance bandwidth for different microstrip circulator types is carried out using a mode matching technique. The theoretically scattering parameters of the ferrite junction are compared to practical measurements. Results obtained from a three-port circulator operating in the 4-GHz range will be supplied.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114835712","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
High Power High Efficiency Millimeter Wave TED's with Reverse-Biased Hetero-Junction Cathode Contact 具有反向偏置异质结阴极接触的高功率高效率毫米波TED
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333477
M. Friscourt, P. Rolland, J. P. Duchemin, J. Lacombe
{"title":"High Power High Efficiency Millimeter Wave TED's with Reverse-Biased Hetero-Junction Cathode Contact","authors":"M. Friscourt, P. Rolland, J. P. Duchemin, J. Lacombe","doi":"10.1109/EUMA.1985.333477","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333477","url":null,"abstract":"The purpose of this paper is to present theoretical results on current limiting cathode contact InP TED's in the millimeter wave range. The current limiting effect is obtained from a reverse-biased GaInAsP on InP isotype heterojunction. This kind of cathode contact yields an efficient over length dipolar layers mode up to the ultimate cut-off frequency of the negative differential mobility in InP (~200 GHz). Theoretically expected results are reported. Thermal and frequency limitations are discussed. We also mention the main problems encountered in the preliminary technological study of these devices.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123294278","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
Rigorous Analysis of Latching Phase Shifters 闭锁移相器的严格分析
1985 15th European Microwave Conference Pub Date : 1985-10-01 DOI: 10.1109/EUMA.1985.333541
W. Hauth
{"title":"Rigorous Analysis of Latching Phase Shifters","authors":"W. Hauth","doi":"10.1109/EUMA.1985.333541","DOIUrl":"https://doi.org/10.1109/EUMA.1985.333541","url":null,"abstract":"Ferrite latching phase shifters in a generalized waveguide geometry (grooved rectangular guide with lateral ridges) are analyzed using a combination of mode-matching and variational techniques. By this method, the double transverse inhomogeneities of the waveguide configuration and of the toroid corner magnetization are both considered exactly, leading to accurate predictions of differential phase shift and of cutoff frequencies of higher order modes.","PeriodicalId":177448,"journal":{"name":"1985 15th European Microwave Conference","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121703296","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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