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//Chapter-9 example 16
//=============================================================================
clc;
clear;
//input data
//Da = 7*lamda; diameter of antenna
//Calculations
//HPBW = 70*(lamda/Da)
//HPBW = 70*(lamda/(7*lamda));
HPBW = 70/7;//half power beamwidth
NNBW = 2*HPBW;//null to null beamwidth
//Gp = 6.4*(Da/lamda)^2; //power gain
//Gp = 6.4*((7*lamda)/lamda)^2 ; power gain of parabolic reflector
Gp =6.4*(7)^2;
G = 10*log10(Gp)//gain in dB
//Output
mprintf('Gain of parabolic reflector is %3.1f \n HPBW of Antenna is %3.1f degrees\n NNBW of Antenna is %3.1f degrees ',Gp,HPBW,NNBW);
//=============end of the program==============================================
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