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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 /2414/CH13/EX13.3 | |
| 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 '2414/CH13/EX13.3')
| -rwxr-xr-x | 2414/CH13/EX13.3/Ex13_3.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/2414/CH13/EX13.3/Ex13_3.sce b/2414/CH13/EX13.3/Ex13_3.sce new file mode 100755 index 000000000..337ad9ad9 --- /dev/null +++ b/2414/CH13/EX13.3/Ex13_3.sce @@ -0,0 +1,31 @@ +clc;
+close();
+clear();
+//page no 447
+//prob no. 13.3
+k=1.38*10^-23; //Boltzmann's const
+//Temperatures in K
+Ti=150;
+Te=325;
+Tsys=Ti+Te;
+mprintf(' Tsys=%i K \n',Tsys);
+D=5;
+W=15; //kHz
+B=2*(1+D)*W;
+mprintf(' B=%i kHz\n',B);
+Nsys=k*Tsys*B*10^3; //W
+mprintf(' Nsys=%.3f fW\n',Nsys*10^15);
+PR=50*10^-12; //W
+SNsys=PR/Nsys;
+mprintf(' (S/N)sys=%i \n',SNsys);
+GR=3*(1+D)*D^2
+mprintf(' GR=%.0f \n',GR);
+SNoutput=GR*SNsys;
+mprintf(' (S/N)output=%.0f \n',SNoutput);
+mprintf(' (S/N)out,dB=%.2f dB\n',10*log10(SNoutput));
+mprintf(' (S/N)sys,dB=%.2f dB\n',10*log10(SNsys));
+GRdb=10*log10(GR);
+mprintf(' GR,dB=%.2f dB \n',GRdb);
+mprintf(' (S/N)output,dB=%.2f dB\n',10*log10(SNoutput));
+
+
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