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

---
 1979/CH7/EX7.4/Ex7_4.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 1979/CH7/EX7.4/Ex7_4.sce

(limited to '1979/CH7/EX7.4/Ex7_4.sce')

diff --git a/1979/CH7/EX7.4/Ex7_4.sce b/1979/CH7/EX7.4/Ex7_4.sce
new file mode 100755
index 000000000..e8b8162ce
--- /dev/null
+++ b/1979/CH7/EX7.4/Ex7_4.sce
@@ -0,0 +1,19 @@
+//chapter-7 page 279 example 7.4
+//==============================================================================
+clc;
+clear;
+
+S=2;//Voltage Standing Wave Ratio(VSWR)
+C=30;//Coupling Power of a Directional Coupler in dB
+Pf=4.5;//Coupler Incident Sampling Power in mW
+
+//CALCULATION
+p=((S-1)/(S+1));//Reflection Coefficient
+Pi=Pf*10^(C/10);//Incident Power in mW [From C=10log(Pi/Pf)]
+Pr=(Pi*(p^2))/10^3;//Reflected Power in W [From p=sqrt(Pr/Pi)]
+
+//OUTPUT
+mprintf('\nValue of Reflected Power is Pr=%1.2f W',Pr);
+
+//=========================END OF PROGRAM===============================
+
-- 
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