%***********************************************************************
%
%?????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?????????|???

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????30208??2004-02-24?23:03??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?01\READ?ME.doc

?????文件??????13747??2004-12-23?19:51??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?01\TE_HORN.m

?????文件???????6758??2004-12-23?19:51??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?01\TM_BOX.m

?????文件???????9727??2004-12-23?19:52??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?01\TM_OPEN.m

?????文件????????228??2004-08-27?01:18??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\2-D?Polar\f.m

?????文件???????4345??2004-12-04?00:29??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\2-D?Polar\POLAR.m

?????文件???????6094??2004-12-23?19:56??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\2-D?Polar\polar_dB.m

?????文件??????26624??2004-12-20?00:48??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\2-D?Polar\READ?ME.doc

?????文件???????5736??2004-12-23?19:57??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\2-D?Polar\semipolar_dB.m

?????文件????????557??2004-04-08?22:19??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\3-D?Spherical\f.m

?????文件??????26112??2004-12-20?00:52??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\3-D?Spherical\READ?ME.doc

?????文件??????10008??2004-12-23?19:58??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\3-D?Spherical\SPHERICAL.m

?????文件???????3270??2004-12-23?19:58??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\Directivity\DIRECTIVITY.m

?????文件??????26624??2004-12-20?00:53??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\Directivity\READ?ME.doc

?????文件????????109??2004-12-19?22:17??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\Directivity\U.m

?????文件????????717??2004-09-17?23:05??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?02\U.m

?????文件???????6217??2004-12-23?19:55??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?04\DIPOLE.m

?????文件???????6074??2004-12-23?19:56??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?04\polar_dB.m

?????文件??????29184??2004-12-20?01:09??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?04\READ?ME.doc

?????文件???????4560??2004-12-23?20:02??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?05\LOOP.m

?????文件???????6068??2004-12-23?20:02??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?05\polar_dB.m

?????文件??????29184??2004-12-19?22:22??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?05\READ?ME.doc

?????文件??????41486??2004-12-23?20:03??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?06\ARRAYS.m

?????文件???????6068??2004-12-23?20:04??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?06\polar_dB.m

?????文件??????46080??2004-12-21?21:42??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?06\READ?ME.doc

????..A..H.??????4608??2004-05-10?23:06??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?06\Thumbs.db

?????文件???????5168??2002-12-13?22:06??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?07\bal.mat

?????文件???????5025??2004-10-08?21:15??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?07\bal.tiff

?????文件????????707??2004-09-01?21:44??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?07\chap.m

?????文件????????499??2003-01-28?23:06??Antenna?Theory?Analysis?and?Design（源碼）\Matlab?Programs\Chapter?07\cosm.m

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