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

---
 401/CH3/EX3.1/Example3_1.sce | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 401/CH3/EX3.1/Example3_1.sce

(limited to '401/CH3/EX3.1')

diff --git a/401/CH3/EX3.1/Example3_1.sce b/401/CH3/EX3.1/Example3_1.sce
new file mode 100755
index 000000000..5d95b7781
--- /dev/null
+++ b/401/CH3/EX3.1/Example3_1.sce
@@ -0,0 +1,33 @@
+//Example 3.1
+//Program to Determine 
+//(a)Overall signal attenuation
+//(b)Signal attenuation per kilometer
+//(c)Overall signal attenuation for 10 km optical link with splices 
+//(d)Numerical Input/Output power ratio
+
+clear;
+clc ;
+close ;
+
+//Given data
+Pi=120;          //uW - INPUT OPTICAL POWER
+Po=3;            //uW - OUTPUT OPTICAL POWER
+L=8;             //km - FIBER LENGTH
+
+//(a)Overall signal attenuation
+Alpha_dB_L=10*log10(Pi/Po);
+
+//(b)Signal attenuation per kilometer
+Alpha_dB=Alpha_dB_L/L;
+
+//(c)Overall signal attenuation for 10 km optical link with splices 
+A=Alpha_dB*10+9;
+
+//(d)Numerical Input/Output power ratio
+Pi_by_Po=10^(round(A)/10);
+
+//Displaying the Results in Command Window
+printf("\n\n\t (a)Overall signal attenuation is %1.0f dB.",Alpha_dB_L);
+printf("\n\n\t (b)Signal attenuation per kilometer is %1.0f dB/km.",Alpha_dB);
+printf("\n\n\t (c)Overall signal attenuation for 10 km optical link with splices is %1.0f dB.",A);
+printf("\n\n\t (d)Numerical Input/Output power ratio is %0.1f.",Pi_by_Po);
\ No newline at end of file
-- 
cgit