From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 3281/CH2/EX2.5/ex2_5.sce |  48 +++++++++++++++++++++++++++++++++++++++++++++++
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+//Page Number: 93
+//Example 2.5
+clc;
+//Given,
+c=3D+8; //m/s
+a=3.0; //cm
+b=1.5; //cm
+mur=1;
+er=2.25;
+x=mur*er;
+
+//(i) Cutoff wavelength and frequencuy
+disp('TE10 mode');
+m1=1;
+n1=0;
+lamc10=2/sqrt((m1/a)^2+(n1/b)^2);
+disp('cm',lamc10,'Cut-off wavelength:');
+lamc10=lamc10/100;
+f10=c/(lamc10*sqrt(x));
+disp('Ghz',f10/1D+9,'Cutoff frequency:');
+
+disp('TE20 mode');
+m2=2;
+n2=0;
+lamc20=2/sqrt((m2/a)^2+(n2/b)^2);
+disp('cm',lamc20,'Cut-off wavelength:');
+lamc20=lamc20/100;
+f20=c/(lamc20*sqrt(x));
+disp('Ghz',f20/1D+9,'Cutoff frequency:');
+
+disp('TE11 mode');
+m3=1;
+n3=1;
+lamc11=2/sqrt((m3/a)^2+(n3/b)^2);
+disp('cm',lamc11,'Cut-off wavelength:');
+lamc11=lamc11/100;
+f11=c/(lamc11*sqrt(x));
+disp('Ghz',f11/1D+9,'Cutoff frequency:');
+
+//(ii) lambg and Z0
+f=4D+9; //Hz
+lam=c/f;
+lamg=lam/(sqrt(x-((lam/lamc10)^2)));
+disp('cm',lamg*100,'Guide wavelength:');
+
+fc=3.33D+9; //Hz
+Z0=(120*%pi*(1/sqrt(x))*(b/a))/sqrt(1-((fc/f)^2));
+disp('ohm',round(Z0),'Impedance:');
-- 
cgit