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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 /1871/CH12/EX12.8 | |
| 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 '1871/CH12/EX12.8')
| -rwxr-xr-x | 1871/CH12/EX12.8/Ch12Ex8.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1871/CH12/EX12.8/Ch12Ex8.sce b/1871/CH12/EX12.8/Ch12Ex8.sce new file mode 100755 index 000000000..905923ab3 --- /dev/null +++ b/1871/CH12/EX12.8/Ch12Ex8.sce @@ -0,0 +1,19 @@ +// Scilab code Ex12.8: Pg:477 (2008)
+clc;clear;
+c = 3e+008; // Speed of light, m/s
+n1 = 1.5; // Core index of an optical fibre
+n2 = 1.498; // Cladding index of an optical fibre
+l = 18; // Length of an optical fibre, km
+D = (n1-n2)/n1; // Intermodal dispersion factor for the fibre
+// For a 1 km length fibre
+delta = n1*1000/c*D/(1-D)*1e+009; // intermodal dispersion factor for 1 km length fibre, ns/km
+delta_t_total = delta*l; // Total dispersion in 18 km length, ns
+B_max = 1/(5*delta_t_total*1e-009); // Maximum bit rate, bits/sec
+printf("\nThe intermodal dispersion factor for 1 km length fibre = %4.2f ns/km", delta );
+printf("\nThe total dispersion in 18 km length fibre = %5.1f ns", delta_t_total);
+printf("\nThe maximum bit rate allowed asuuming dispersion limiting = %4.2f M bits/s",B_max/1e+006);
+
+// Result
+// The intermodal dispersion factor for 1 km length fibre = 6.68 ns/km
+// The total dispersion in 18 km length fibre = 120.2 ns
+// The maximum bit rate allowed asuuming dispersion limiting = 1.66 M bits/s
\ No newline at end of file |