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// chapter 4 example 10
//-----------------------------------------------------------------------------
clc;
clear;
// given data
di = 8; // internal diameter in cms
a = 4; // internal radius in cms
fo = 10*10^9; // operating frequency in Ghz
ha01 = 2.405; // Eigen value of bessel function
c = 3*10^10 // velocity of EM wave in cm/sec
// For TM011 mode
m = 0
n = 1
p = 1
// Calcultions
//f0 = (c/2*pi)*sqrt((ha/a)^2 + (p*pi/d)^2) operating frequency
d = (p*%pi)/(sqrt((fo*2*%pi/c)^2 - (ha01/a)^2)) //length of resonator
// Output
mprintf('Length of resonator = %3.3f cm',d);
//------------------------------------------------------------------------------
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