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//Chapter-9 example 1
//=============================================================================
clc;
clear;
//input data
Da = 2.5;//diameter of parabolic antenna in m
F = 5*10^9;//radar operating frequency in hz
Vo = 3*10^8;//velocity of EM wave in m/s
//Calculations
lamda = Vo/F;//wavelength
NNBW = 140*(lamda/Da);
HPBW = 70*(lamda/Da);//half power beamwidth in deg
//Output
mprintf('NNBW of parabolic reflector is %g degrees\n HPBW of parabolic reflector is %g degrees',NNBW,HPBW);
//=============end of the program==============================================
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