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The Cut-Off Wavelength of Waveguides with Radiating Slot 带辐射槽波导的截止波长
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672062
S.-W. Lue, S.-M. Cao, Zhi X. Jiang
{"title":"The Cut-Off Wavelength of Waveguides with Radiating Slot","authors":"S.-W. Lue, S.-M. Cao, Zhi X. Jiang","doi":"10.1109/APMC.1992.672062","DOIUrl":"https://doi.org/10.1109/APMC.1992.672062","url":null,"abstract":"In this paper, the boundary element method @EM) is used to calculate several numberical examples of cur-off wavelength for TE modes in the waveguides, such as dominate TEll in the sectoral waveguide and its slotted antenna, the cut-off wavelengths of dominant modes TEc,, or eH,, in the elliptical waveguide and others have been calculated also. The change of the cut-off wavelengtk versus the slot width, offsetting, wall thickness and the dimensions of the waveguide are discussed. The method and the program are applicable to all infinite long waveguide system with va","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126266843","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
Digital Image Reconstruction from Multiple-Angle Views Diversity Using Digital Filter Techniques 利用数字滤波技术实现多角度视点分集的数字图像重建
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672201
S. Li, C. Wu
{"title":"Digital Image Reconstruction from Multiple-Angle Views Diversity Using Digital Filter Techniques","authors":"S. Li, C. Wu","doi":"10.1109/APMC.1992.672201","DOIUrl":"https://doi.org/10.1109/APMC.1992.672201","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121520165","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
Element Admittance of Inclined Slot Arrays in the Narrow Wall of a Rectangular Waveguide 矩形波导窄壁斜槽阵列的元件导纳
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.671979
W. Chen, Y. Wang
{"title":"Element Admittance of Inclined Slot Arrays in the Narrow Wall of a Rectangular Waveguide","authors":"W. Chen, Y. Wang","doi":"10.1109/APMC.1992.671979","DOIUrl":"https://doi.org/10.1109/APMC.1992.671979","url":null,"abstract":"A method to cletermine the active admittance of M inched dot in an array in the narrow wall of a rectangular waveguide is deacribtd. The external and internal coupling between slots are taken into amount.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121524720","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
Detection of Buried Defects in Dielectric Materials Using Radar 利用雷达探测介质材料中埋藏缺陷
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672031
J. Agbinya, J. Devlin, A. Tirkel, C. F. Osborne
{"title":"Detection of Buried Defects in Dielectric Materials Using Radar","authors":"J. Agbinya, J. Devlin, A. Tirkel, C. F. Osborne","doi":"10.1109/APMC.1992.672031","DOIUrl":"https://doi.org/10.1109/APMC.1992.672031","url":null,"abstract":"Detection of defects in dielectric products using an FMCW radar system is studied. Defect edge detection technique is used. Detectability requires a dielectric constant contrast between the host and the defect, and is impared by window functions, the sweep rate of the signal and the size of the FlT. Results are given in both 1D and 2D.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131762464","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
Coupled Microstrip Lines through a Displaced Slot in a Common Ground Plane 耦合微带线通过一个位移槽在公共地平面
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672220
T. Wakabayashi, T. Itoh
{"title":"Coupled Microstrip Lines through a Displaced Slot in a Common Ground Plane","authors":"T. Wakabayashi, T. Itoh","doi":"10.1109/APMC.1992.672220","DOIUrl":"https://doi.org/10.1109/APMC.1992.672220","url":null,"abstract":"Microstrip lines coupled by a rectangular slot in a common ground plane are analyzed. The parallel microstrip lines are not centered in the slot. The analysis is based on the spectral domain method and the reciprocity theorem. Numerical results of S parameters are presented.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126978466","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 Systematic Design Method of Dielectric Multilayer Bandpass Filters 介质多层带通滤波器的系统设计方法
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.671985
K. Miyauchi, I. Wakabayashi
{"title":"A Systematic Design Method of Dielectric Multilayer Bandpass Filters","authors":"K. Miyauchi, I. Wakabayashi","doi":"10.1109/APMC.1992.671985","DOIUrl":"https://doi.org/10.1109/APMC.1992.671985","url":null,"abstract":"A new design method of dielectric multilayer bandpass filters is presented. The design procedure consists of two steps of circuit transformations. It is possible to design a narrowband dielectric multi-layer bandpass filter which has arbitrary polynomial filter characteristics with a satisfactorily small design error.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132530381","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
A Cad-Oriented Physics-Based Two-Dimensional Gaas Fet Noise Model for Mmic Design 面向cad的二维Gaas效应场效应噪声模型用于Mmic设计
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672186
G. Ghione, F. Bonani, M. Pirola, C. Naldi
{"title":"A Cad-Oriented Physics-Based Two-Dimensional Gaas Fet Noise Model for Mmic Design","authors":"G. Ghione, F. Bonani, M. Pirola, C. Naldi","doi":"10.1109/APMC.1992.672186","DOIUrl":"https://doi.org/10.1109/APMC.1992.672186","url":null,"abstract":"A twtrdmensional physics-based noise model for GaAs MESFET’s is described, which can provide, on the balsis of physical and geometrical input parameters o~ily, a full frequency-dependent characterization of the noise performances. The noise model is based on the classical impedance-field method, implemented within the framework of a frequency-domain numerical drift-diffusion physical model. The paper is mainly devoted to the experimental validation of the noise model, which is performed for a re& tic caw study (a 0.6 jtm GEGMarconi MESFET). Stress is laid on the role played by the high-field diffusivity model in noise analysis, which allows a good match to be achieved between measurements and simulation for both the noise figure and the op timuni source impedance.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"235 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115752304","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
Analysis and Design of Coaxial-Line/Rectangular Waveguide Junction with a Dielectrically Sheathed Centre Probe 带介质护套中心探头的同轴线/矩形波导结的分析与设计
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672260
R.B. Keam, A. Williamson
{"title":"Analysis and Design of Coaxial-Line/Rectangular Waveguide Junction with a Dielectrically Sheathed Centre Probe","authors":"R.B. Keam, A. Williamson","doi":"10.1109/APMC.1992.672260","DOIUrl":"https://doi.org/10.1109/APMC.1992.672260","url":null,"abstract":"The analysis for a coaxial-line to rectangular waveguide probe transition for the case where the probe is dielectrically sheathed is presented along with experimental verification. The analysis is then used to investigate the design of such junctions, with particular emphasis on maximising the bandwidth. INTRODUCI'ION","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131820803","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: 5
Microwave Power Application and its Device in Japan 微波功率在日本的应用及其装置
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.671943
F. Okada, C. Shibata
{"title":"Microwave Power Application and its Device in Japan","authors":"F. Okada, C. Shibata","doi":"10.1109/APMC.1992.671943","DOIUrl":"https://doi.org/10.1109/APMC.1992.671943","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132003550","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
Fibre Optic Microwave Links Using Image Canceling Photodiode Mixing 光纤微波链路使用图像抵消光电二极管混合
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672042
H. Kamitsuna, H. Ogawa
{"title":"Fibre Optic Microwave Links Using Image Canceling Photodiode Mixing","authors":"H. Kamitsuna, H. Ogawa","doi":"10.1109/APMC.1992.672042","DOIUrl":"https://doi.org/10.1109/APMC.1992.672042","url":null,"abstract":"This paper proposes fiber optic link configurations for use in microwave transmission. Image canceling photodiode mixing links utilizing the combination of microwave components and optical devices can suppress the image fiequency without filters. These configurations are experimentally investigated at microwave frequencies and the image frequency suppression is successfully demonstrated.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132920106","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
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