From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 752/CH16/EX16.19.1/16_19_1.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 752/CH16/EX16.19.1/16_19_1.sce

(limited to '752/CH16/EX16.19.1/16_19_1.sce')

diff --git a/752/CH16/EX16.19.1/16_19_1.sce b/752/CH16/EX16.19.1/16_19_1.sce
new file mode 100755
index 000000000..50d34c43d
--- /dev/null
+++ b/752/CH16/EX16.19.1/16_19_1.sce
@@ -0,0 +1,17 @@
+clc;
+//prob no. 16.19.1
+// Paraboloida reflector antenna is given with
+D=6;//reflector diameter in m
+n=0.65;//illumination effeciency
+f=10^10;//frequency of operation in Hz
+c=3*10^8;//velo of light in m/s
+wl=c/f;
+A=(%pi*D^2)/4;
+A_eff=n*A;
+disp('m^2',A_eff,'Effective area is');
+D0=4*%pi*A_eff/wl^2;
+disp(D0,'The directivity is');
+BW_dB=70*wl/D;
+disp('degree',BW_dB,'The -3dB beamwidth is');
+BW_null=2*BW_dB;
+disp('degree',BW_null,'The null beamwidth is');
\ No newline at end of file
-- 
cgit