blob: a170eaebca4a8fd78189d472e376e76ca46409b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
// Example 4.16.1 page 4.43
clc;
clear;
RSW=0.0012; //relative spectral width
lamda=0.90d-6; //wavelength
L=1; //distance in km (assumed)
P=0.025; //material dispersion parameter
c=3d5; //speed of light in km/s
M=10^3*P/(c*lamda); //computing material dispersion
sigma_lamda=RSW*lamda;
sigmaM=sigma_lamda*L*M*10^7; //computing RMS pulse broadning
sigmaB=25*L*M*10^-3;
printf("\nMaterial dispersion parameter is %.2f ps/nm/km.\nRMS pulsr broadning when sigma_lamda is 25 is %.1f ns/km.\nRMS pulse broadning is %.1f ns/km.",M,sigmaB,sigmaM);
//answer in the book for RMS pulse broadning is 0.99 ns/km, deviation of 0.01ns/km.
|
