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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共28条记录   Broadband 4 x 4 Butler Matrices as a Connection of Symmetrical Multisection Coupled-Line 3-dB Directional Couplers and Phase Correction Networks [作者：Gruszczynski, S; Wincza, K,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：1-9 , 文章类型： Article，,卷期：2009年57-1] An innovative approach for realization of broadband 4 x 4 Butler matrices, in which broadband symmetrical multisection 3-dB/90 degrees directional couplers are used as basic elements, has been presented. A new technique ... Third-Order Intermodulation Distortion and Harmonic Generation in Mismatched Weakly Nonlinear Transmission Lines [作者：Mateu, J; Collado, C; Orloff, N; Booth, JC; Rocas, E; Padilla, A; O'Callaghan, JM,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：10-18 , 文章类型： Article，,卷期：2009年57-1] This paper describes a procedure to obtain analytical expressions for the spurious signals generated in nonlinear transmission lines with impedance mismatch when they are subject to small-signals. Using these expressions... Thermal Study of the High-Frequency Noise in GaN HEMTs [作者：Thorsell, M; Andersson, K; Fagerlind, M; Sudow, M; Nilsson, PA; Rorsman, N,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：19-26 , 文章类型： Article，,卷期：2009年57-1] The high-frequency noise performance of the GaN HEMT is studied for temperatures between 297-398 K. The access resistances R-S and R-D have a limiting effect on the noise performance, and in this paper, their temperature... The Dynamic Behavioral Model of RF Power Amplifiers With the Modified ANFIS [作者：Zhai, JF; Zhou, JY; Zhang, L; Zhao, JN; Hong, W,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：27-35 , 文章类型： Article，,卷期：2009年57-1] The adaptive neuro-fuzzy inference system (ANFIS) has been widely used for modeling different kinds of nonlinear systems including RF power amplifiers (PAs). The modified ANFIS (MANFIS) architecture is simpler than that ... Microwave Sampling Beamformer - Prototype Verification and Switch Design [作者：Farzaneh, S; Sebak, AR,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：36-44 , 文章类型： Article，,卷期：2009年57-1] In this study, a four-element prototype of the microwave sampling beamformer structure is constructed and tested. The prototype is composed of the microwave hardware and control hardware. A new compact switch is designed... Mode-Based Beamforming Arrays for Miniaturized Platforms [作者：Yeung, LK; Wang, YE,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：45-52 , 文章类型： Article，,卷期：2009年57-1] In this paper, a new and practical mode-based array concept is proposed. The key principle of this mode-based approach is the use of orthogonal radiation modes existing in highly coupled arrays as individual information ... The Matrix Balun - A Transistor-Based Module for Broadband Applications [作者：Ferndahl, M; Vickes, HO,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：53-60 , 文章类型： Article，,卷期：2009年57-1] In this paper the analysis and design of a new active balun with very broadband performance, the matrix balun, are reported. Measured results show a common mode rejection ratio, CMRR, larger than 15 dB between 4 and 42 G... Design of X-Band RF CMOS Transceiver for FMCW Monopulse Radar [作者：Wang, S; Tsai, KH; Huang, KK; Li, SX; Wu, HS; Tzuang, CKC,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：61-70 , 文章类型： Article，,卷期：2009年57-1] In this paper, an X-band CMOS single chip integrating 16 building blocks is developed for frequency modulation continuous wave radar application. The quadrature and monopulse transceiver consists of a voltage-controlled ... Integrated LTCC Synthesizer and Signal Converter Modules at K-Band [作者：Baras, T; Jacob, AF,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：71-79 , 文章类型： Article，,卷期：2009年57-1] We report on fully integrated K-band synthesizer and signal converter modules. The designs are realized in low-temperature co-fired ceramics, making extensively use of the multilayer features and advanced capabilities of... Symmetric Reverse-Coupling Waveguide Orthomode Transducer for the 3-mm Band [作者：Navarrini, A; Nesti, R,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：80-88 , 文章类型： Article，,卷期：2009年57-1] We describe the design, construction, and performance of a waveguide orthomode transducer (OMT) for the 3-mm band (84-116 GHz). The OMT is based on a symmetric backward coupling structure and has a square waveguide input... A 1.3-THz Balanced Waveguide HEB Mixer for the APEX Telescope [作者：Meledin, D; Pavolotsky, A; Desmaris, V; Lapkin, I; Risacher, C; Perez, V; Henke, D; Nystrom, O; Sundin, E; Dochev, D; Pantaleev, M; Fredrixon, M; Strandberg, M; Voronov, B; Goltsman, G; Belitsky, V,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：89-98 , 文章类型： Article，,卷期：2009年57-1] In this paper, we report about the development, fabrication, and characterization of a balanced waveguide hot electron bolometer (HEB) receiver for the Atacama Pathfinder EXperiment telescope covering the frequency band ... Wideband Circulators for Use at Frequencies Above 100 GHz to Beyond 350 GHz [作者：Martin, DH; Wylde, RJ,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：99-108 , 文章类型： Article，,卷期：2009年57-1] High-performance circulators operating at frequencies in the range from 100 to 350 GHz have been developed for application in major measurement systems. These circulators have open quasi-optical structures. The magnetize... Full-Wave Analysis and Design of Dielectric-Loaded Waveguide Filters Using a State-Space Integral-Equation Method [作者：Gil, J; Blas, AAS; Vicente, C; Gimeno, B; Bressan, M; Boria, VE; Conciauro, G; Maestre, M,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：109-120 , 文章类型： Article，,卷期：2009年57-1] A full-wave analysis method for waveguide filters based on dielectric loaded resonators is proposed in this work. For such purpose, a state-space integral-equation formulation has been developed, and the efficient numeri... Closed-Form Solutions for the Design of Optimum Matching Networks [作者：Dawson, DE,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：121-129 , 文章类型： Article，,卷期：2009年57-1] An analytic solution of optimum matching networks up through order n = 4 is derived. Prior solution of the matching network elements, and the examples also include insertion of an ideal transformer. Comments on n = 5 and... Analysis of Rapidly Twisted Hollow Waveguides [作者：Wilson, JL; Wang, C; Fathy, AE; Kang, YW,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：130-139 , 文章类型： Article，,卷期：2009年57-1] The propagation characteristics of twisted hollow waveguides are considered, and various analysis methods are proposed. It is shown that a twisted hollow waveguide can support waves that travel at a speed slower than the... Exact Synthesis of Broadband Three-Line Baluns [作者：Lee, HM; Tsai, CM,期刊：IEEE Transactions on Microwave Theory and Techniques, 页码：140-148 , 文章类型： Article，,卷期：2009年57-1] Three types of three-line baluns are studied in this paper. The equivalent circuits of these baluns are derived using the model of coupled transmission lines. The balun designs with Chebyshev response can then be exactly...