diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2183/CH9/EX9.5.b/Ex_9_5_b.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 '2183/CH9/EX9.5.b/Ex_9_5_b.sce')
| -rwxr-xr-x | 2183/CH9/EX9.5.b/Ex_9_5_b.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/2183/CH9/EX9.5.b/Ex_9_5_b.sce b/2183/CH9/EX9.5.b/Ex_9_5_b.sce new file mode 100755 index 000000000..e22050452 --- /dev/null +++ b/2183/CH9/EX9.5.b/Ex_9_5_b.sce @@ -0,0 +1,26 @@ +// Example 9.5.B;//maximum repeater spacing +clc; +clear; +close; +ber=10^-9;// +x1=-2*log10(ber);// +hc=6.63*10^-34;// +c=3*10^8;//m/s +bt=50;//Mbits/s +h=1.55;//micro meter +ps=(((x1/2)*hc*c*bt*10^6)/(h*10^-6));//nW +psdb=10*log10(ps*10^3);// +cl=0.25;//dB/km +x=4;//dBm +y=x-psdb;// +mrs1=y/cl;//km +disp(mrs1,"maximum repeater spacing in km at 50 M-bit/s system (PSK) in km is") +bt1=1;//Gbit/s +ps1=(((x1/2)*2*hc*c*bt1*10^9)/(h*10^-6));//nW +psdb1=10*log10(ps1*10^3);// +cl=0.25;//dB/km +x=4;//dBm +y1=x-psdb1;// +mrs2=y1/cl;//km +disp(mrs2,"maximum repeater spacing in km at 1 G-bit/s system (PSK) in km is") +//for 1 Gbit/s systme answer is wrong in the textbook |