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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
Superconducting Metallic Josephson Junctions as Negative Differential Resistance Device in the Conventional Generation of Microwaves 超导金属约瑟夫森结作为负差分电阻器件在常规微波产生中的应用
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.671936
R. Nicolsky, A. M. Luiz
{"title":"Superconducting Metallic Josephson Junctions as Negative Differential Resistance Device in the Conventional Generation of Microwaves","authors":"R. Nicolsky, A. M. Luiz","doi":"10.1109/APMC.1992.671936","DOIUrl":"https://doi.org/10.1109/APMC.1992.671936","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"120 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":"115037032","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
Harmonica Characterization of a Microstrip Discontinuity by a Time Frequency Method 用时频法口琴表征微带不连续
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672040
N. Feix, M. Lalande, A. Reineix, B. Jecko
{"title":"Harmonica Characterization of a Microstrip Discontinuity by a Time Frequency Method","authors":"N. Feix, M. Lalande, A. Reineix, B. Jecko","doi":"10.1109/APMC.1992.672040","DOIUrl":"https://doi.org/10.1109/APMC.1992.672040","url":null,"abstract":"important to prrdict acclmtcly the bcbavim of microsaip inta#wnectiams that can be used m high speed digital or micxwaw circuitr So, a chammza - tion of the microSaip structuns m a large frrquency band is","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"193 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":"115639563","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 Gaas Monolithic Transimpedance Amplifier for Optical Communication Sytems 用于光通信系统的Gaas单片透阻放大器
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672043
J. A. Casao, P. Dorta, J. L. Cáceres, M. Salazar-Palma, J. Perez
{"title":"A Gaas Monolithic Transimpedance Amplifier for Optical Communication Sytems","authors":"J. A. Casao, P. Dorta, J. L. Cáceres, M. Salazar-Palma, J. Perez","doi":"10.1109/APMC.1992.672043","DOIUrl":"https://doi.org/10.1109/APMC.1992.672043","url":null,"abstract":"The design, fabrication and test results of a GaAs monolithic transimpedance amplifier for low noise and high speed optical communication systems is presented. It is based on a simple cascode structure enhanced in terms of bandwidth and noise. Very good repeatability and excellent electrical and optical/electrical performances are obtained.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"145 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":"115713263","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
Electromagnetic Stimulation of Neurons 神经元的电磁刺激
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672018
M. Stuchly, K. Esselle
{"title":"Electromagnetic Stimulation of Neurons","authors":"M. Stuchly, K. Esselle","doi":"10.1109/APMC.1992.672018","DOIUrl":"https://doi.org/10.1109/APMC.1992.672018","url":null,"abstract":"Motor neurons in the cerebral cortex and peripheral nerves can be stimulated by externally applied pulses of an electromagnetic field produced by a coil. Analyses have been performed of a simplified tissue model and various coil shapes and positions with respect to the nerve. Coils are optimized in terms of their geometry (shape and dimensions) and position considering the strength and focality of the nerve stimulus. A quadruple coil consisting of triangular sections appears to offer advantages in stimulation of shallowly-located nerves. For deep nerves, quadruple square or three-dimensional coils are preferred.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"69 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":"114148118","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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