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+//Chapter-3, Problem 3.7 , Page106
+//===========================================================================
+clc;
+clear;
+
+//INPUT DATA
+
+n1   = 1 ;//since first blindspeed
+n3   = 3 ;//since third blindspeed
+
+//Calculations
+
+
+// blind speed Vb1 = n1*(lamda_1/2)*PRF1 in m/s
+// blind speed Vb3 = n3*(lamda-2/2)*PRF2 in m/s
+//here PRF1 = PRF2 = PRF
+//if Vb1=Vb3 then
+//1*(lamda_1/2)*PRF  =  3*(lamda_2/2)*PRF
+//lamda_1/lamda_2    = 3/1;
+//lamda = C/F;
+//therefore F1/F2 = 1/3 ;
+
+
+//Output
+mprintf('Ratio of Operating Frequencies of two Radars are (F1/F2) = 1/3');