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+//Page Number: 196

+//Example 4.5

+clc;

+//Given

+c=3D+8; //m/s

+a=2;//cm

+a1=a/100;//m

+b=2.5;//cm

+b1=b/100;//m

+

+disp('TE modes');

+h01=3.832;

+fr=(c/(2*%pi))*sqrt((h01/a1)^2+(%pi/b1)^2);//hz

+disp('Ghz',fr/10^9,'Resonant frequency for mode TE010:');

+

+h11=1.841;

+fr1=(c/(2*%pi))*sqrt((h11/a1)^2+(%pi/b1)^2);//hz

+disp('Ghz',fr1/10^9,'Resonant frequency for mode TE111:');

+

+h21=3.054;

+fr2=(c/(2*%pi))*sqrt((h21/a1)^2+(%pi/b1)^2);//hz

+disp('Ghz',fr2/10^9,'Resonant frequency for mode TE211:');

+

+disp('TM modes:');

+l1=0;

+h011=2.405;

+fr3=(c/(2*%pi))*sqrt((h011/a1)^2+(%pi*l1/b1)^2);//hz

+disp('Ghz',fr3/10^9,'Resonant frequency for mode TM010');

+

+l2=1;

+fr4=(c/(2*%pi))*sqrt((h011/a1)^2+(%pi*l2/b1)^2);//hz

+disp('Ghz',fr4/10^9,'resonant frequency for mode TM011:');

+

+l3=1;

+h111=3.832;

+fr5=(c/(2*%pi))*sqrt((h111/a1)^2+(%pi*l3/b1)^2);//hz

+disp('Ghz',fr5/10^9,'Resonant frequency for mode TM111:');