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+// Chapter 9 example 12
+//------------------------------------------------------------------------------
+clc;
+clear;
+// Given Data
+PW      = 10^-6;            // Pulse width in sec
+Pp      = 100*10^3;         // Peak power in watts
+PRF     = 1000;             // pulse rep.rate
+N_target= 20;               // no of target hits in 1 dwell period
+
+// Calculations
+PE      = Pp*PW;            // Pulse energy in Joule
+LE      = N_target *PE;     // look energy
+DC      = PW*PRF            // Duty cycle
+Pav     = Pp*DC;            // Average power
+Pavg    = 10*log10(Pav);    // Avg power in dB
+
+// Output
+mprintf('Average power = %d dB\n Look Energy = %3.0f Joules',Pavg,LE);
+//-----------------------------------------------------------------------------