Design of radial line slot antennas

... Outline of the thesis In Chapter we make a brief review of the design of the Radial Line Slot Antennas which include the slot array design, radiation pattern prediction, numerical analysis of ... there Chapter Calculation of the slot admittance 3.1 Introduction The main task in the design of RLSA antennas is the exact analysis of the mutual admittances of t...

Ngày tải lên: 04/10/2015, 15:45

... for the design of radial sonic crystal is presented Chapter presents the experiments and simulations performed to test the design of radial sonic crystal 1.5 Original contribution of the thesis ... All the applications of the sonic crystal are primarily based on the prediction of the band gap The band gap is characterized by the position...

Ngày tải lên: 09/09/2015, 17:53

... geometrical model introduced for the uniform rectangular array (URA), which also incorporates the uniform linear array (ULA), we have investigated the optimal design for line -of- sight (LOS) channels ... include an analysis of the influence of nonoptimal design, and analytical expressions for the singular values of the LOS matrix are derived as a function of the quali...

Ngày tải lên: 22/06/2014, 19:20

... D´ez, E Martos, F J Ca˜ ete, and J T Ene ı n trambasaguas, Analysis of timing recovery schemes for DMT systems over indoor power-line channels,” in Proceedings of the 49th Annual IEEE Global ... performance of a conventional DMT timing recovery scheme designed for LTI channels has been assessed when employed over indoor power lines The two main causes th...

Ngày tải lên: 22/06/2014, 20:20

... Suggestions for Future Works 141 Bibliography 143 iv Summary This thesis presents the design and analysis of antennas and rectifying circuits for applications in wireless power transmission ... capable of recycling low RF power A new rectenna with broad-band 1×4 quasi-Yagi antenna array and a dualband rectifier is designed to harvest the ambient RF powe...

Ngày tải lên: 09/09/2015, 11:12

... developing the segmentation technique, MBF-PM-AIM is applied to the design of broadband probe-fed antennas and arrays Due to the growing demand of modern wireless communication systems, there is ... enhance the impedance bandwidth of the antennas In this thesis, various wideband semi-circle probe-fed antennas and arrays are developed for wireless local area...

Ngày tải lên: 11/09/2015, 09:02

... directional antennas By making efficient use of directional antennas, for both transmission and reception, and spatial reuse in transmission, Achilles achieves the goal of a high capacity mesh network ... a 3-D view of radiation patterns Figure 2.1: 3-D representation of antenna radiation pattern of a directional and omnidirectional antenna, courtesy wikipedia...

Ngày tải lên: 26/09/2015, 10:51

... 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

... Find the soil pressures at the mat invert Find the centroid of the column loads (location of the resultant R) with respect to a new x’y’ coordinate system located at the lower left corner at mat, ... acting as stiffness for the mat grillages Details of a mat foundation, serving as the slab of a one-story basement Compensated mat foundations If zero settlem...

Ngày tải lên: 16/10/2012, 10:43

... DESIGN OF REINFORCED MASONRY STRUCTURES This page intentionally left blank DESIGN OF REINFORCED MASONRY STRUCTURES Narendra Taly, Ph.D., P.E., F.ASCE Professor Emeritus Department of Civil ... What Is Masonry? / 1.1 1.2 Plain and Reinforced Masonry / 1.1 1.3 A Brief History of Masonry Construction / 1.2 1.4 Evolution of Reinforced Masonry / 1.3 1.5 Unreinf...

Ngày tải lên: 17/08/2013, 11:41

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... of a passive planar air breathing fuel cell cathode J Power Sources 2007, 167(1), 118–129 [3] Rajani B.P.M and Kolar A. K A model for a vertical plan...

Ngày tải lên: 05/09/2013, 14:58

... The material parameters, cell design, and cell operating conditions that give optimal performance depend on the application area Stationary, portable, and transportation applications all have ... an optimal design for PEM fuel cells to generate maximum power The analysis helped identifying critical parameters and shed insight into the physical mechanisms leading to a f...

Ngày tải lên: 05/09/2013, 14:58

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... Mechanical behaviour of PEM fuel cell catalyst layers during regular cell operation International Journal of Energy and Environment, 2010; 1(6), 927-936 [...

Ngày tải lên: 05/09/2013, 14:58

... of two parts with a total of 11 chapters: Part I is composed of Chapters 1–6 on the principle and design of CNC, and Part II is composed of an open-architectural soft CNC system Specifically, Chapter ... components of a CNC system From the hardware point of view, CNC machine tools consist of CNC, motor drive system, and machine tools The output of the position...

Ngày tải lên: 08/09/2013, 20:50