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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3446/CH3/EX3.1 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3446/CH3/EX3.1')
| -rw-r--r-- | 3446/CH3/EX3.1/Ex3_1.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3446/CH3/EX3.1/Ex3_1.sce b/3446/CH3/EX3.1/Ex3_1.sce new file mode 100644 index 000000000..dda4a1ca1 --- /dev/null +++ b/3446/CH3/EX3.1/Ex3_1.sce @@ -0,0 +1,21 @@ +// Exa 3.1
+// To determine free space and reflected surface attenuations.
+
+clc;
+clear all;
+
+hb=100; //in feets(height of BS antenna)
+hm=5; // in feets(height of mobile antenna)
+f=881.52;//in MHz
+lamda=1.116; //in feet
+d=5000; //in feet
+Gb=10^0.8; //8dB(BS antenna gain)
+Gm=10^0; // 0dB (Mobile antenna gain)
+
+//solution
+free_atten=(4*%pi*d/lamda)^2*(Gb*Gm)^-1;
+y=round(10*log10(free_atten));
+printf('Free space attenuation is %d dB \n',y);
+reflect_atten= (d^4/(hb*hm)^2)*(Gb*Gm)^-1;
+x=round(10*log10(reflect_atten));
+printf(' Reflecting surface attenuation is %d dB \n ',x);
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