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/EX2.21/ex2_21.sce |  35 +++++++++++++++++++++++++++++++++++
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+//Page Number: 106
+//Example 2.21
+clc;
+//Given
+c=3D+8; //m/s
+f=15D+9; //hz
+a=1.07; //cm
+a1=a/100; //m
+b=0.43; //cm
+b1=b/100; //m
+er=2.08;
+tandel=0.0004;
+lam=c/f;
+
+
+//(i) Cut off frequency
+m1=1;
+n1=0;
+fc10=(c/(2*%pi*sqrt(er))*sqrt((m1*%pi/a1)^2+(n1*%pi/b1)^2));
+disp('GHz',fc10/10^9,'Cut off frequency for mode TE10:');
+
+m2=2;
+n2=0;
+fc20=(c/(2*%pi*sqrt(er))*sqrt((m2*%pi/a1)^2+(n2*%pi/b1)^2));
+disp('Ghz',fc20/10^9,'Cut off frequency at mode TE20:');
+
+m3=0;
+n3=1;
+fc01=(c/(2*%pi*sqrt(er))*sqrt((m3*%pi/a1)^2+(n3*%pi/b1)^2));
+disp('Ghz',fc01/10^9,'Cut off frequency at mode TE01:');
+
+//Dielectric attenuation constant
+ad=(%pi*tandel)/(lam*sqrt(1-(fc10/f)^2));
+adb=-20*log10(exp(-ad));
+disp('dB/m',adb,'Attenuation constant:');
-- 
cgit