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Accurate Analysis and Experiment for Rectangular Coaxial Line Discontinuity 矩形共轴线不连续的精确分析与实验
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672278
S. Xu, W. Guo, X. Wu, Z. Li, Z. Ma, Z. Wulu
{"title":"Accurate Analysis and Experiment for Rectangular Coaxial Line Discontinuity","authors":"S. Xu, W. Guo, X. Wu, Z. Li, Z. Ma, Z. Wulu","doi":"10.1109/APMC.1992.672278","DOIUrl":"https://doi.org/10.1109/APMC.1992.672278","url":null,"abstract":"The step discontinuity in the rectangular coaxial line is investigated by an accurate method, which combines the 6nite element analysis with mode matching method. The eigenvalue problems of each lines are handled by the higheporder bite element mcthod, and the scattering characteristics of the step discontinu. ity in the longitudinal direction are analyzed by joining the multimode network theory with rigorous mode matching procedun. The accuracy and effectiveness of the present method are verilied by expvimtntal dak.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"31 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":"128210180","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
Noise Analysis of Circuits with General Topology and Arbitrary Representation 具有一般拓扑和任意表示的电路噪声分析
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672246
P. Russer, S. Muller
{"title":"Noise Analysis of Circuits with General Topology and Arbitrary Representation","authors":"P. Russer, S. Muller","doi":"10.1109/APMC.1992.672246","DOIUrl":"https://doi.org/10.1109/APMC.1992.672246","url":null,"abstract":"A method for noise analysis of microwave multiports with general internal topology is presented. The multiport circuit is seperated into the connection circuit and the circuit elements. Based upon the digraph representation of the connection circuit the scattering matrix of the connection circuit is computed from the fundamental cut set matrix and the fundamental loop matrix of the connecting circuit. Using this digraph and a canonical description of the signal and noise properties of the circuit elements the S-matrix of the multiport and the correlation matrix of its external equivalent noise sources may be determined directly. The circuit may consist of noisy two-terminal elements as well as noisy multiport elements.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"10 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":"134402677","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
4 Ghz Miniaturized Low Phase Noise Dielectric Resonator Stabilized Oscillator 4ghz小型化低相位噪声介电谐振稳定振荡器
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672187
K. Kamozaki
{"title":"4 Ghz Miniaturized Low Phase Noise Dielectric Resonator Stabilized Oscillator","authors":"K. Kamozaki","doi":"10.1109/APMC.1992.672187","DOIUrl":"https://doi.org/10.1109/APMC.1992.672187","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"122 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":"134414898","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
Wideband Pol-Sar/isar Signal and Image Processing for Target Identification and Discrimination 用于目标识别与识别的宽带Pol-Sar/isar信号与图像处理
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672357
E. Krogager
{"title":"Wideband Pol-Sar/isar Signal and Image Processing for Target Identification and Discrimination","authors":"E. Krogager","doi":"10.1109/APMC.1992.672357","DOIUrl":"https://doi.org/10.1109/APMC.1992.672357","url":null,"abstract":"Following a summary of the basic principles of polarimetric SAR and ISAR, a special decomposition is mentioned in some detail, and the superior capability of polarimetric radars compared with traditional single polarization radars is pointed out by applying the decomposition to simulated images of a composed model target, and to measured POL-SAR data. INTRODUcIlON To completely characterize the reflectivity of a radar target, the vector nature of the elmmagnetic wave has to be taken into account. This is done by specifying the field vector and its interaction with the target in an orthogonal basis, typically a linear basis with horizontal and vertical components related to the antenna orientation, in other words the antenna polarization.","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":"132970606","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 Low Phase Noise 433.92 Mhz Saw Oscillator for General Mobile Communication Applications 用于一般移动通信应用的低相位噪声433.92 Mhz锯振荡器
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672095
G. Olbrich, T. Schenk
{"title":"A Low Phase Noise 433.92 Mhz Saw Oscillator for General Mobile Communication Applications","authors":"G. Olbrich, T. Schenk","doi":"10.1109/APMC.1992.672095","DOIUrl":"https://doi.org/10.1109/APMC.1992.672095","url":null,"abstract":"The design and the performance of a low noise SAW oscillator operating at 433.92 MHz are presented. At a power output of 11 dBm the oscillator shows a single sideband phase noise to carrier ratio 6f 125 dBc/Hz at 1 kHz offset. Calculations of the oscillator phase noise using Leesons model agree well with measured data. Comments will be given on temperature stability, harmonics and spurious signals.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"24 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":"133474215","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
A Systematic Approach to the Design of Radial-Waveguide Dividers/Combiners 径向波导分频/合成器的系统设计方法
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672280
M. Bialkowski, V. Waris
{"title":"A Systematic Approach to the Design of Radial-Waveguide Dividers/Combiners","authors":"M. Bialkowski, V. Waris","doi":"10.1109/APMC.1992.672280","DOIUrl":"https://doi.org/10.1109/APMC.1992.672280","url":null,"abstract":"","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":"121730751","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: 13
Effects of Substrate Thickness on the Properties of Rectangular Microstrip Antenna Elements 衬底厚度对矩形微带天线元件性能的影响
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672012
M. Kara
{"title":"Effects of Substrate Thickness on the Properties of Rectangular Microstrip Antenna Elements","authors":"M. Kara","doi":"10.1109/APMC.1992.672012","DOIUrl":"https://doi.org/10.1109/APMC.1992.672012","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"72 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":"130449245","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 Rectangular Disk 3 Db Quadrature Hybrid with Flat Coupling 具有平面耦合的矩形圆盘3db正交混合电路
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672196
T. Kawai, I. Ohta, M. Nishimura, T. Kaneko
{"title":"A Rectangular Disk 3 Db Quadrature Hybrid with Flat Coupling","authors":"T. Kawai, I. Ohta, M. Nishimura, T. Kaneko","doi":"10.1109/APMC.1992.672196","DOIUrl":"https://doi.org/10.1109/APMC.1992.672196","url":null,"abstract":"A simple-shaped planar-circuittype 3dB quadrature hybrid with very flat coupling is proposed arid examined theoretically and experimentally. This hybrid consists of a four-port rectangular disk with two symmetrical capacitive stubs at its periphery and four identical impedance steps at each port. A relntivt? bandwidth of 27 percent is obtained.","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"8 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":"121438242","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
The Effect of Microlinks on Attenuation of High T/sub c/ Superconducting Microstrip Lines 微链路对高T/sub /超导微带线衰减的影响
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.672082
S. Cai, D. Chen
{"title":"The Effect of Microlinks on Attenuation of High T/sub c/ Superconducting Microstrip Lines","authors":"S. Cai, D. Chen","doi":"10.1109/APMC.1992.672082","DOIUrl":"https://doi.org/10.1109/APMC.1992.672082","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"127 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":"121546621","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
Superconducting Millimetre-Wavelength Bolometers 超导毫米波辐射热计
AMPC Asia-Pacific Microwave Conference, Pub Date : 1992-08-11 DOI: 10.1109/APMC.1992.671935
J. Macfarlane, W. Wright, S. Filipczuk, N. Savvides, L. Whitbourn, R. Bowman, G. Donaldson
{"title":"Superconducting Millimetre-Wavelength Bolometers","authors":"J. Macfarlane, W. Wright, S. Filipczuk, N. Savvides, L. Whitbourn, R. Bowman, G. Donaldson","doi":"10.1109/APMC.1992.671935","DOIUrl":"https://doi.org/10.1109/APMC.1992.671935","url":null,"abstract":"","PeriodicalId":234490,"journal":{"name":"AMPC Asia-Pacific Microwave Conference,","volume":"171 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":"123080099","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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