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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /752/CH16/EX16.19.1/16_19_1.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '752/CH16/EX16.19.1/16_19_1.sce')
| -rwxr-xr-x | 752/CH16/EX16.19.1/16_19_1.sce | 17 |
1 files changed, 17 insertions, 0 deletions
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 |