1 files changed, 31 insertions, 0 deletions
diff --git a/1997/CH11/EX11.49/example49.sce b/1997/CH11/EX11.49/example49.sce
new file mode 100755
index 000000000..41130a3c8
--- /dev/null
+++ b/1997/CH11/EX11.49/example49.sce
@@ -0,0 +1,31 @@
+//Chapter-11 example 49
+//=============================================================================
+clc;
+clear;
+//Given data
+f     = 6*10^9;        // Radar operating freq. in Hz
+Vo    = 3*10^8;        // vel of EM wave m/s;
+PRF   = 1000;          // pulse repetitive freq. in Hz
+PW    = 1.2*10^-6;     // Pulse width in sec
+DC    = 10^-3;         // Duty Cycle
+Smin  = 5*10^-12;      // min. detectable signal
+R     = 60*10^3;       // Max. Range in m
+G     = 4000;           // power gain of antenna
+Ae    = 1              // effective area in m^2
+RCS   = 2              // Radar cross sec. in m^2
+//Calculations
+
+lamda   = Vo/f;            // Wavelength in m
+PRT     = PW/DC;           // pulse repetitive time
+PRF     = 1/PRT;           // Pulse repetitive freq.
+Pt      = ((Smin*(4*%pi*R*R)^2))/(Ae*G*RCS);  //Peak power
+Pav     = Pt*DC;           // average power
+
+Runamb  = Vo/(2*PRF);      // Distance of the Target
+RR      = (Vo*PW)/2;       // Range Resolution
+//output
+
+mprintf('Operating Wavelength = %g m\n PRT = %3.2f ms\n PRF = %3.1f Hz\n Peak power = %3.3f KW\n Average power = %3.3f Watts\n unambiguous range = %g Km\n Range Resolution = %g m',lamda,PRT*1000,PRF,Pt/1000,Pav,Runamb/1000,RR );
+mprintf('\n Note: Calculation error in textbook for Pt and Pav');
+
+//==============================================================================