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+//Chapter-11 example 16
+//=============================================================================
+clc;
+clear;
+//input data
+F     = 10*10^9;//operating frequency of radar in Hz
+Vo    =  3*10^8;//Velocity of EM wave in m/s
+Vr    =  100;//velocity of car in kmph
+//Calculations
+lamda = Vo/F;//wavelength in m
+Vc    = Vr*(5/18);//velocity of car in m/s
+Fd    = (2*Vc)/lamda;//doppler shift in Hz
+//Output
+mprintf('Doppler Shift is %g KHz\n Frequency of the Received echo when car is approaching radar is %g Ghz + %g Khz\n Frequency of the Received echo when car is moving away from radar is %g Ghz - %g Khz',Fd/1000,F/10^9,Fd/1000,F/10^9,Fd/1000);
+
+//=================end of program==============================================