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// Chapter 10 example 13
//------------------------------------------------------------------------------
clc;
clear;
//Given data
PRF_1 = 750; // pulse rep. freq in Hz
PRF_2 = 1000; // pulse rep. freq in Hz
PRF_3 = 1250; // pulse rep. freq in Hz
Ra_1 = 100; // Apparent range for PRF_1
Ra_2 = 50; // Apparent range for PRF_2
Ra_3 = 20; // Apparent range for PRF_3
c = 3*10^5; // Vel of EM waves in Km/s
// Calculations
for Nr = 1:6 // Nr = Radar Zones
R1(Nr) = Ra_1 + ((c/2)*((Nr - 1)/PRF_1)) // true range in km
R2(Nr) = Ra_2 + ((c/2)*((Nr - 1)/PRF_2)) // true range in km
R3(Nr) = Ra_3 + ((c/2)*((Nr - 1)/PRF_3)) // true range in km
end
// Output
mprintf('Possible True Range measurements for 750 PPS\n');
mprintf(' = %dkm \n',R1);
mprintf('Possible True Range measurements for 1000 PPS\n')
mprintf(' = %dkm \n',R2);
mprintf('Possible True Range measurements for 1250 PPS\n')
mprintf(' = %dkm \n',R3);
mprintf('The shortest possible range that has been measured at all PRFs is %d Km True Range = %d km',R1(3),R1(3))
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