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YIG-Tuned Staloc Dual-Selected Filters yig调谐Staloc双选滤波器
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334211
Zhang Bing-rong, Feng Kang-nian, Yu Shou-xi, Yu Kang, Wang Jie
{"title":"YIG-Tuned Staloc Dual-Selected Filters","authors":"Zhang Bing-rong, Feng Kang-nian, Yu Shou-xi, Yu Kang, Wang Jie","doi":"10.1109/EUMA.1986.334211","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334211","url":null,"abstract":"The 1 to 18 GHz YIG-tuned dual-selected filters series with the Self-Tracking Automatic Lock-On Circuit(STALOC) had been developed. They have advantages of accurate tracking, high reliability, broad frequency range, wide temperature range and applied flexibility. The STALOC filters are particularly useful in the microwave tuners where they precisely track the RF bandwidths of YIG-tuned dual-preselectors to a local oscillator at a fixed IF offset. The article describes its basic principle, design considerations, technical performances and applications.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"278 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123069008","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 Method for Transient Analysis of Discontinuous Coupled Lines 不连续耦合线瞬态分析的新方法
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334245
T. Razban, C. Monllor, P. Vincensini
{"title":"A New Method for Transient Analysis of Discontinuous Coupled Lines","authors":"T. Razban, C. Monllor, P. Vincensini","doi":"10.1109/EUMA.1986.334245","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334245","url":null,"abstract":"Time domain analysis of discontinuous coupled lines is derived from existing methods applied to continuous ones. This analysis is implemented by decomposing any set of partially coupled discontinuous lines into \"tubes\". A tube of order N being constituted by N uniformly coupled continuous lines of equal lengths, the previous discontinuous structure is then seen as a cascade of tubes of different orders. As a consequence, the corresponding load and source matrices brought in cascade will be of different orders. A method dealing with the shrinkage and dilatation of these matrices in order to match their orders is developed. Thereby, complex structures involving coupled lines can be analyzed after reduction of both the number of tubes and the number of kinds of interfaces met.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123274156","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
Microwave Antenna Technology 微波天线技术
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334180
T. Katagi
{"title":"Microwave Antenna Technology","authors":"T. Katagi","doi":"10.1109/EUMA.1986.334180","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334180","url":null,"abstract":"Recent microwave antenna technologies which are developed in Japan are reviewed. Main antennas which are practically used in various fields are described. The trends of antenna research works are also shown.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125392682","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
A Frequency Stabilized Gunn Oscillator with a Leucosapphire Dielectric Resonator 带白色蓝宝石介电谐振腔的稳频Gunn振荡器
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334284
P. Stankov, R. Kozhuharov, I. Stanchev
{"title":"A Frequency Stabilized Gunn Oscillator with a Leucosapphire Dielectric Resonator","authors":"P. Stankov, R. Kozhuharov, I. Stanchev","doi":"10.1109/EUMA.1986.334284","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334284","url":null,"abstract":"General design considerations for second harmonic Gunn oscillators are discussed and an approach to the problem of achieving high short-term frequency stability and spectral purity is presented. The construction and performance of an K-band oscillator involving a system of three resonators used in conjunction with the Gunn diode are described. Results of the frequency stability measurements are presented as well.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125511730","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
The Operational Sounding of the Lower Atmosphere from Satellites using Millimetre Waves 卫星使用毫米波进行低层大气探测
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334171
D. R. Pick
{"title":"The Operational Sounding of the Lower Atmosphere from Satellites using Millimetre Waves","authors":"D. R. Pick","doi":"10.1109/EUMA.1986.334171","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334171","url":null,"abstract":"This paper discusses the increasing use of millimetre waves for passive sounding of the lowest 15 km of the atmosphere in support of the forecasting activities of the Meteorological Office. The paper starts with a brief discussion of the spectral features in the 23 to 200 GHz region and how meteorologically useful measurements can be derived. This defines the performance specification of satellite microwave radiometers. A discussion of the evolution of such radiometers leads to the development of the Advanced Microwave Sounding Unit (polar orbiter) and the proposal for a microwave sounder on second generation METEOSAT. The paper also briefly discusses the supporting scientific programmes and calibration aspects.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122021076","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
Generalized Spectral Domain Technique Theory and Applications 广义谱域技术理论与应用
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334239
S. Tedjini, D. Rauly, P. Saguet
{"title":"Generalized Spectral Domain Technique Theory and Applications","authors":"S. Tedjini, D. Rauly, P. Saguet","doi":"10.1109/EUMA.1986.334239","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334239","url":null,"abstract":"A new formulation of the Spectral Domain Technique (SDT) is presented, namely, the Generalized Spectral Domain Technique (GSDT). This formulation can be applied to all planar circuits. open or closed, strip-like or slot-like, including an arbitrary number of isotropic layers. Recurrent relations allow us to reduce the problem to the level of the strip/slot interface. A unified analytical form of the \"GSDT Green Matrix\" is carried out. The GSDT is well suited for the computation of propagation constants. impedances or pseudo-impedances. field map of the fundamental and higher order modes. Several computed results concerning open structures are presented and compared with experimental results.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117033739","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: 4
Design of a Superelliptic Waveguide Polarizer 超椭圆波导偏振器的设计
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334232
B. Ladányi-Turóczy
{"title":"Design of a Superelliptic Waveguide Polarizer","authors":"B. Ladányi-Turóczy","doi":"10.1109/EUMA.1986.334232","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334232","url":null,"abstract":"A computer aided design method of a new, superelliptical waveguide polarizer is presented in this paper. The principle of operation of the polarizer is explained, and the design procedure is described. A superelliptical waveguide with two \"Gaussian\" tapered matching sections is proposed for the purpose of realizing a circular polarizer, which achieves 900 ± 2,50 differential phase shift between the cH11 andi sH11 waves:: for 11,7 - 12,1 GHz frequency range. The input and output VSWR are better than 1,012 for both waves.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129129861","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
On-Wafer Frequency- and Time-Domain Characterization of InGaAs(P)/InP Heterojunction Bipolar Transistors and FETs InGaAs(P)/InP异质结双极晶体管和场效应管的片上频域和时域特性
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334298
G. Mekonnen, H. Bach
{"title":"On-Wafer Frequency- and Time-Domain Characterization of InGaAs(P)/InP Heterojunction Bipolar Transistors and FETs","authors":"G. Mekonnen, H. Bach","doi":"10.1109/EUMA.1986.334298","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334298","url":null,"abstract":"A probe is designed to achieve frequency- and time-domain measurements on semiconductor devices, e.g. transistors direct on the wafer. Small signal frequency-domain information (s-parameters) were evaluated from pulse responses using Fourier transform algorithms to de-embed the device parameters from the surrounding transmission-line system and excitation pulse imperfections. A corrected time-domain response was obtained by the inverse Fourier transform of the device frequency response. Heterojunction bipolar transistors, fabricated in the InGaAsP/InP material system, were characterized with respect to their DC- and AC-properties.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114346339","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
Finite Element Analysis of Slow Wave Coplanar Waveguide with Localized Depletion Regions 具有局部耗尽区的慢波共面波导的有限元分析
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334237
Ching-Kuang C. Tzuang, T. Itoh
{"title":"Finite Element Analysis of Slow Wave Coplanar Waveguide with Localized Depletion Regions","authors":"Ching-Kuang C. Tzuang, T. Itoh","doi":"10.1109/EUMA.1986.334237","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334237","url":null,"abstract":"A finite element field analysis program is developed to study the effect of localized finite conductivity region in the Schottky-contact CPW in the slow-wave application. Theoretical results obtained for the MIS (layered) CPW structure show good agreements with those in the existing literature. Our analysis indicates the new Schottky-contact slow-wave CPW structure under analysis is viable for low loss and wideband electronically tunable phase shifter application.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121801619","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
Circular Polarisation Filter for Antennas Applications 天线用圆偏振滤波器
1986 16th European Microwave Conference Pub Date : 1986-10-01 DOI: 10.1109/EUMA.1986.334210
M. Missoum, F. Jecko
{"title":"Circular Polarisation Filter for Antennas Applications","authors":"M. Missoum, F. Jecko","doi":"10.1109/EUMA.1986.334210","DOIUrl":"https://doi.org/10.1109/EUMA.1986.334210","url":null,"abstract":"The propagation properties of HE and EH hybrid modes, with circular polarisation, in helically corrugated waveguide are studied using the approximation of anisotropic surface impedance. The \"convenient\" dimensions of the structure able to propagate the only HE11 + (left circular polarisation) are proposed.","PeriodicalId":227595,"journal":{"name":"1986 16th European Microwave Conference","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1986-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121800318","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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