1 files changed, 20 insertions, 0 deletions
diff --git a/1997/CH9/EX9.13/example13.sce b/1997/CH9/EX9.13/example13.sce
new file mode 100755
index 000000000..5e1e50122
--- /dev/null
+++ b/1997/CH9/EX9.13/example13.sce
@@ -0,0 +1,20 @@
+//Chapter-9 example 13
+//=============================================================================
+clc;
+clear;
+//input data
+F     = 4*10^9;//radar operating frequency in hz
+Vo    = 3*10^8;//velocity of EM wave in m/s
+NNBW  = 2;//Null to Null Beamwidth in degrees
+
+//Calculations
+lamda = Vo/F;//wavelength
+Da    = (140*lamda)/2;//diameter of antenna in m
+Gp    = 6.4*(Da/lamda)^2//gain of parabolic reflector
+G     = 10*log10(Gp)//gain in dB
+
+
+//Output
+mprintf('Gain of parabolic reflector is %g dB\n mouth diameter of the antenna is %g m ',G,Da);
+
+//=============end of the program==============================================