Analysis and designs of symmetrical six port microstrip couplers

... ANALYSIS AND DESIGNS OF SYMMETRICAL SIX- PORT MICROSTRIP COUPLERS CHEN YUAN (B.Eng., Shanghai Jiao Tong University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... variations of γ and β with Φ a and Φ b 79 Figure 5.2: First-order variations of α and τ with ψ .80 Figure 5.3: Schematic diagram of symmetrical six- port...

Ngày tải lên: 11/09/2015, 09:11

... performance can be achieved when the ports of six- port symmetrical junction and directional coupler are matched and also the odd ports of the six- port symmetrical junction are isolated from each other ... when designing a symmetrical six- port waveguide junction 1-2 Project Objectives In this project, we concentrate on the design of a matched symmetrical...

Ngày tải lên: 09/09/2015, 18:53

... Chapter TRANSFER FUNCTIONS OF SIX- PORT MODULATORS 10 2.1 Six- port junction 10 2.2 S parameter of serial six- port junction .14 2.3 S parameter of parallel six- port junction .18 ... ANALYSIS AND SYNTHESIS OF SIX- PORT MODULATORS LUO BIN (M.Sc., NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINE...

Ngày tải lên: 14/09/2015, 08:23

... used in the analysis The message in Figure 37 indicates that the analysis and design sections are different The goal is to repeat the analysis and design process until the analysis and design sections ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel f...

Ngày tải lên: 06/09/2012, 15:56

... Copyright Computers and Structures, Inc., 1978-1997 The CSI Logo is a registered trademark of Computers and Structures, Inc SAP2000 is a registered trademark of Computers and Structures, Inc Windows ... Group Name ROOF 2ND COLS FRCOLS BRCOLS BRACE1 BRACE2 FRMGIRD BASE Description All roof level joints, frame elements and shell elements All second level joints, frame elem...

Ngày tải lên: 06/09/2012, 15:56

... Analysis and Compensation of Log-Domain Filter Deviations due to Transistor Nonidealities by Vincent W Leung Department of Electrical and Cornputer Engineering McGill ... biquadratic filter analysis to the high-order filter regime Based on classicd LC ladder theories, highorder log-domain filter deviations due to transistor nonidealities are quantit...

Ngày tải lên: 06/11/2012, 10:35

... manufacturing Analysis and performance The principle of operation of reluctance synchronous machines (RSMs) is based on existence of variable reluctance in the air gap of the machine, high reluctance ... P.J and Agu, L.A Theory and Performance of Polyphase Reluctance Machines Proc IEE, 111(8), pp 1435-1445, 1964 [2] Lawrenson, P.J and Gupta, S.K Develop...

Ngày tải lên: 05/09/2013, 16:30

... magnitude of the sensitivity-function is made arbitrarily small 1.8 CONTROL SYSTEM ANALYSIS AND DESIGN OBJECTIVES Control systems engineering consists of analysis and design of control systems ... control systems Some of the terms commonly used to describe the operation, analysis, and design of control systems are presented 1.2 CONTROL SYSTEMS...

Ngày tải lên: 01/01/2014, 18:43

Ngày tải lên: 13/02/2014, 20:20

... parsing results too, such as the family name and given name of person, the prefixes of the abbreviation names, the modifiers and suffixes of organization names Then the results from subsequent ... Nearly 70% of the spurious names remaining in the final output were in fact instances of 'other' types of names, such as book titles and building names; creating explicit model...

Ngày tải lên: 20/02/2014, 12:20

... events of the unsteady pressure fields Synthesis and identification of random pressure field Firstly, effects of basic and cumulative covariance modes on the synthesis of the unsteady pressure fields, ... of basic and cumulative spectral modes on spectral synthesis of pressure position Secondly, effects of basic and cumulative spectral pressure m...

Ngày tải lên: 05/03/2014, 14:20

... A L Barab´ si 2000 The large-scale organization of a metabolic networks Nature, 406:651-654 R Jakobson and M Halle 1956 Fundamentals of Language, The Hague: Mouton and Co P Ladefoged and I Maddieson ... us assume that the inventory of all the languages comprises of 21 consonants We further assume that the consonants are arranged in their hierarchy of preferen...

Ngày tải lên: 08/03/2014, 02:21

... suggest candidate tags to the user and then to find words which is likely to be wrong tagged Correction rule and m a n u a l correction log are necessary for automatic error detection and candidate ... Ph.D Thesis, Dept of Computer and Information Science, University of Pennsylvania K Choi, Y Han, Y Han, and O Kwon 1994 "KAIST Tree Bank Project for Korean: Present and Future...

Ngày tải lên: 08/03/2014, 05:21

... and in the afternoon: 6-MWT; day in the morning: 6-MWT, and in the afternoon: 6-MWT; day in the morning: maximal exercise test, and in the afternoon: 6-MWT During all tests, they carried the ... day of the study (one in the morning and the other in the afternoon) have been used to assess the test daily reliability The fifth 6-MWT, conducted...

Ngày tải lên: 14/03/2014, 20:20