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

---
 2825/CH15/EX15.7/Ex15_7.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 2825/CH15/EX15.7/Ex15_7.sce

(limited to '2825/CH15/EX15.7/Ex15_7.sce')

diff --git a/2825/CH15/EX15.7/Ex15_7.sce b/2825/CH15/EX15.7/Ex15_7.sce
new file mode 100755
index 000000000..35d15103b
--- /dev/null
+++ b/2825/CH15/EX15.7/Ex15_7.sce
@@ -0,0 +1,21 @@
+//Ex15_7 Pg-776
+clc
+
+disp("Given the equation")
+printf("\n E = 100*sin(628000*t) + 25*sin(621720*t) \n   - 25*cos(634280*t)) \n")
+ m=50/100 //modulation factor in percentage
+ Ec=100 //carrier wave amplitude in V
+ Em=10 //modulated wave amplitude in V
+Fc=100000 //carier frequency in Hz
+Fm=1000 //modulating frequency in Hz
+pi=3.14 
+
+omega_c=2*pi*Fc //carier frequency
+omega_m=2*pi*Em //modulating frequency 
+
+disp("Now,putting these equation in the standard equations for modulated voltage wave,")
+disp("  e = Ec*sin(omega_c*t)+m*Ec/2*cos(omega_c-omega_m)*t-m*Ec/2*cos(omega_c-omega_m)*t")
+USB=omega_c+omega_m //upper sideband
+LSB=omega_c-omega_m //lower sideband
+mEc=m*Ec/2
+printf("\n     = 100*sin(628000*t) + %.0f*sin(%.0f*t) \n      - %.0f*cos(%.0f*t))",mEc,USB,mEc,LSB)
-- 
cgit