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+//Chapter-11 example 50
+//=============================================================================
+clc;
+clear;
+//Given data
+
+Vo    = 3*10^8;        // vel of EM wave m/s;
+PRT   = 1.4*10^-3;     // pulse repetitive time. in sec
+PW    = 5 *10^-6;         // Pulse width in sec
+Pt    = 1000*10^3;     //Peak power in watts
+
+//Calculations
+
+DC      = PW/PRT           // Duty cycle
+Pav     = Pt*DC            // avg. power in W
+
+//output
+
+mprintf('Duty cycle = %e\n Average power = %g W',DC,Pav );
+
+//==============================================================================