From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 3415/CH9/EX9.2/Ex9_2.JPG | Bin 0 -> 56352 bytes 3415/CH9/EX9.2/Ex9_2.sce | 23 +++++++++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 3415/CH9/EX9.2/Ex9_2.JPG create mode 100644 3415/CH9/EX9.2/Ex9_2.sce (limited to '3415/CH9/EX9.2') diff --git a/3415/CH9/EX9.2/Ex9_2.JPG b/3415/CH9/EX9.2/Ex9_2.JPG new file mode 100644 index 000000000..24cb2f494 Binary files /dev/null and b/3415/CH9/EX9.2/Ex9_2.JPG differ diff --git a/3415/CH9/EX9.2/Ex9_2.sce b/3415/CH9/EX9.2/Ex9_2.sce new file mode 100644 index 000000000..ebc6899fb --- /dev/null +++ b/3415/CH9/EX9.2/Ex9_2.sce @@ -0,0 +1,23 @@ +//fiber optic communications by joseph c. palais +//example 9.2 +//OS=Windows XP sp3 +//Scilab version 5.4.1 +clc +clear all +//given +terminals_in=10//initial terminals +terminals_ex=11//extended terminals +S_ratio=9//splitting ratio +ELT=1//excess losss tee coupler in dB +connector_loss=1//connector loss in dB +//to find +P2byP1=10^-0.1*0.9//P2/P1 for spliting ratio 9:1 +lthp=-10*log10(P2byP1)//through loss loss for a 9:1 coupler having 1dB of excess loss +tee_adlos=lthp+2//loss of one directional coupler plus the loss of two connectors +star_adlos1= -10*log10(1/terminals_in)//Loss for star network with 10 terminals in dB +star_adlos2= -10*log10(1/terminals_ex)//Loss for star network with 11 terminals in dB +d2=star_adlos2 - star_adlos1//Change in loss with change in no. of terminals from 10-11 +mprintf('Throughput losses for a 9:1 coupler having 1dB of excess loss =%fdB',lthp) +mprintf('\nAdded losses for star with 10 terminals =%fdB',star_adlos1) +mprintf('\nAdded losses for star with 11 terminals =%fdB',star_adlos2) +mprintf('\nDifference in star added losses=%fdB',d2) -- cgit