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Diffstat (limited to '3506/CH13/EX13.1/Ex_13_1.sce')
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1 files changed, 20 insertions, 0 deletions
diff --git a/3506/CH13/EX13.1/Ex_13_1.sce b/3506/CH13/EX13.1/Ex_13_1.sce new file mode 100644 index 000000000..25e93bbd1 --- /dev/null +++ b/3506/CH13/EX13.1/Ex_13_1.sce @@ -0,0 +1,20 @@ +//Optical Fiber communication by A selvarajan
+//example 13.1
+//OS=Windows XP sp3
+//Scilab version 5.5.1
+clc;
+clear all;
+Sigma_s=0.1//source dispersion inns
+Sigma_D=0.1//detector dispersion in ns
+Sigma_F=0.05//fiber dispersion in ns
+bitrate=622//bitrate in Mbps
+STM_rate=250//4 channel VSB PCM
+Power_margin=30//power margin in dB
+system_margin=6//system margin in dB
+Average_loss=0.6//average loss in dB/Km
+
+//solution
+Sigma_max=STM_rate/bitrate//max dispersion allowed
+L2=sqrt((Sigma_max-Sigma_s^2-Sigma_D^2)/(Sigma_F^2))//dispersion limited maximum length in Km
+L1=(Power_margin-system_margin)/Average_loss//Attenuation limited length in km
+mprintf("Since dispersion limited maximum length is less than Attenuation limited length \nso present system length limit is =%fKm ",L2)
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