1 files changed, 17 insertions, 0 deletions
diff --git a/1997/CH9/EX9.4/example4.sce b/1997/CH9/EX9.4/example4.sce
new file mode 100755
index 000000000..02cd4229f
--- /dev/null
+++ b/1997/CH9/EX9.4/example4.sce
@@ -0,0 +1,17 @@
+//Chapter-9 example 4
+//=============================================================================
+clc;
+clear;
+//input data
+Da    = 2;//diameter of parabolic antenna in m
+F     = 2*10^9;//radar operating frequency in hz
+Vo    = 3*10^8;//velocity of EM wave in m/s
+
+//Calculations
+lamda = Vo/F;//wavelength
+Gp    = 6.4*(Da/lamda)^2//gain of parabolic reflector
+G     = 10*log10(Gp)//gain in dB
+//Output
+mprintf('Gain of parabolic reflector is %3.2f dB',G);
+
+//=============end of the program==============================================