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// chapter 4 example 11
//-----------------------------------------------------------------------------
clc;
clear;
// given data
di = 6; // internal diameter in cms
d = 5; // length in cm
a = 4; // internal radius in cms
fo = 10*10^9; // operating frequency in Ghz
ha01 = 2.405; // Eigen value of bessel function
ha11 = 1.841; // Eigen value of bessel function
c = 3*10^10 // velocity of EM wave in cm/sec
// For TM011 mode and TE111 mode
m0 = 0
m1 = 1
n1 = 1
p1 = 1
p2 = 2
// Calcultions
f0 = (c/(2*%pi))*sqrt((ha01/a)^2 + (p2*%pi/d)^2) //resonant frequency for TM012 mode
f01 = (c/(2*%pi))*sqrt((ha11/a)^2 + (p1*%pi/d)^2) //resonant frequency for TE111 mode
// Output
mprintf('Resonant frequency for TM012 mode = %3.3f Ghz\n Resonant frequency for TM111 mode = %3.3f Ghz\n',f0/10^9,f01/10^9 );
//------------------------------------------------------------------------------
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