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//Chapter-4 example 4.2
//=============================================================================
clc;
clear;
//input data
F = 1*10^9; //operating frequency of monopulse radar in Hz
Vo = 3*10^8; //velocity of EM wave in m/s
theta_d = 10 //angle blw los and perpendicular bisector of line joining two antennas
PD_d = 20; //phase difference in degrees
// calculations
lamda = Vo/F //wavelength in m
//PD = (2*%pi/lamda)*(d*sin(theta));
theta_r = theta_d*(%pi/180) //degree to radian conversion
PD_r = PD_d*(%pi/180) //degree to radian conversion
d = (PD_r*lamda)/(2*%pi*sin(theta_r));
//output
mprintf('Spacing between the antennas is %3.2f cms',d*100);
//===============end of the program============================================
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