initial commit / add all books

2 files changed, 23 insertions, 0 deletions

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
--- /dev/null
+++ b/3415/CH9/EX9.2/Ex9_2.JPG
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)