资源简介
Solutions for the book Antenna theory written by Balanis
代码片段和文件信息
%***********************************************************************
%
% SECTORAL HORN: UNBOUNDED MEDIUM
%
% PROGRAM AUTHOR-- WILLIAM V. ANDREW
% DEPARTMENT OF ELECTRICAL ENGINEERING
% ARIZONA STATE UNIVERSITY
% TEMPE ARIZONA 85287-7206
% (602) 965-5311
%
% DATE OF THIS VERSION-- Nov. 3 1995
%
% This MATLAB M-file will produce the FDTD solution
% of a sectoral (2-D) Perfectly Electric Conducting
% (PEC) horn antenna excited by a sinusoidal voltage
% in a TEz computational domain. The computational
% domain is truncated with a Berenger Perfectly Matched
% layer (PML) absorbing boundary condition whose depth
% in layers is set by the variable NPMLS. The PML is
% introduced to eliminate reflections from the grid
% truncation and to simulate an outgoing traveling
% wave propagating in an unbounded medium. The M-file
% can also create a movie. For example you can create
% a movie which is 70 frames long by taking a picture of
% the computational domain every 3rd time step.
%
% To execute this M-file type ‘‘te_horn‘‘ at the
% MATLAB prompt. The file will save each frame of
% the movie and then write the entire movie to a file
% named ‘‘te_horn.mat‘‘.
%
% To play the movie at any time after it has been
% created and saved to file ‘‘te_horn.mat‘‘ just
% execute the following MATLAB commands:
%
% load te_horn.mat
% movie(Mnfps)
%
% where n is the number of times to play the movie
% and fps is the number of frames per second.
%
% This M-file will not work with the Student edition
% of MATLAB due to the restrictions on array size.
% Therefore this M-file will work only with the
% Professional edition of MATLAB. The movie which
% this file creates is approximately 10.6 Mbytes in
% size. Therefore the available RAM memory or the
% swap space on whatever operating system must be
% large enough to accommodate a file this large.
%
% The horn is modeled by setting the necessary
% FDTD update equation coefficients to represent
% PEC material (sigma=infinity).
% The cell size of the space is:
% dx = 0.0025 meters
% The time step is:
% dt = 4.23e-12 seconds
% The frequency of excitation is:
% freq = 9.84252 GHz
% The wavelength is:
% lambda = 12*dx = 0.0305 meters
%
% The flare section of the horn is staircased. As
% modeled the horn looks like:
%
% jc-7 jc+7
% | |
% \ | / \ | /
% \|/ \|/
% ‘ ‘
%
% ic+11 |_ _|
% ic+10 |
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 30208 2004-02-24 23:03 Matlab Programs\Chapter 01\READ ME.doc
文件 13747 2004-12-23 19:51 Matlab Programs\Chapter 01\TE_HORN.m
文件 6758 2004-12-23 19:51 Matlab Programs\Chapter 01\TM_BOX.m
文件 9727 2004-12-23 19:52 Matlab Programs\Chapter 01\TM_OPEN.m
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 01
文件 228 2004-08-27 01:18 Matlab Programs\Chapter 02\2-D Polar\f.m
文件 4345 2004-12-04 00:29 Matlab Programs\Chapter 02\2-D Polar\POLAR.m
文件 6094 2004-12-23 19:56 Matlab Programs\Chapter 02\2-D Polar\polar_dB.m
文件 26624 2004-12-20 00:48 Matlab Programs\Chapter 02\2-D Polar\READ ME.doc
文件 5736 2004-12-23 19:57 Matlab Programs\Chapter 02\2-D Polar\semipolar_dB.m
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 02\2-D Polar
文件 557 2004-04-08 22:19 Matlab Programs\Chapter 02\3-D Spherical\f.m
文件 26112 2004-12-20 00:52 Matlab Programs\Chapter 02\3-D Spherical\READ ME.doc
文件 10008 2004-12-23 19:58 Matlab Programs\Chapter 02\3-D Spherical\SPHERICAL.m
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 02\3-D Spherical
文件 3270 2004-12-23 19:58 Matlab Programs\Chapter 02\Directivity\DIRECTIVITY.m
文件 26624 2004-12-20 00:53 Matlab Programs\Chapter 02\Directivity\READ ME.doc
文件 109 2004-12-19 22:17 Matlab Programs\Chapter 02\Directivity\U.m
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 02\Directivity
文件 717 2004-09-17 23:05 Matlab Programs\Chapter 02\U.m
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 02
文件 6217 2004-12-23 19:55 Matlab Programs\Chapter 04\DIPOLE.m
文件 6074 2004-12-23 19:56 Matlab Programs\Chapter 04\polar_dB.m
文件 29184 2004-12-20 01:09 Matlab Programs\Chapter 04\READ ME.doc
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 04
文件 4560 2004-12-23 20:02 Matlab Programs\Chapter 05\LOOP.m
文件 6068 2004-12-23 20:02 Matlab Programs\Chapter 05\polar_dB.m
文件 29184 2004-12-19 22:22 Matlab Programs\Chapter 05\READ ME.doc
目录 0 2006-03-06 18:51 Matlab Programs\Chapter 05
文件 41486 2004-12-23 20:03 Matlab Programs\Chapter 06\ARRAYS.m
............此处省略149个文件信息
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