1 files changed, 53 insertions, 0 deletions
diff --git a/2279/CH6/EX6.7/Ex6_7.sce b/2279/CH6/EX6.7/Ex6_7.sce
new file mode 100644
index 000000000..082423ad3
--- /dev/null
+++ b/2279/CH6/EX6.7/Ex6_7.sce
@@ -0,0 +1,53 @@
+//Determining nyquist rate for the signals
+clc
+clear
+close
+Wb1=4*%pi;
+Wb2=10*%pi;
+Wbs=max(Wb1,Wb2);
+Ws=2*Wbs;
+//Bandlimited frequency doesnt change by Amplitude scaling
+//(a) 2*x1(t)
+Wa=2*Wb1
+disp("Wa=")
+disp(Wa)
+//Timing shifting doesnt affect the magnitude spectrum
+//(b) x1(t-1)
+Wb=2*Wb1
+disp("Wb=")
+disp(Wb)
+//Adding two band-limited spectrums will not sampling frequency
+//(c) 2*x1(t)+x1(t-1)
+Wc=2*Wb1
+disp("Wc=")
+disp(Wc)
+//Compressing time axis expands frequency axis by the same factor
+//(d) x2(2t)
+Wd=2*2*Wb2
+disp("Wd=")
+disp(Wd)
+//Expanding the time axis compresses the frequency axis by same factor
+//(e) x2(t/2)
+We=1/2*2*Wb2
+disp("We=")
+disp(We)
+//(f) x2(2t)+x2(t/2)
+Wf=max(Wd,We)
+disp("Wf=")
+disp(Wf)
+//x1(t)x2(t)
+Wg=2*(Wb1+Wb2)
+disp("Wg=")
+disp(Wg)
+//x1(t)*x2(t)
+Wh=2*min(Wb1,Wb2)
+disp("Wh=")
+disp(Wh)
+//x1(t)*cos(2*%pi*t)
+Wi=2*(Wb1+2*%pi)
+disp("Wi=")
+disp(Wi)
+//x1'(t)
+Wj=2*Wb1
+disp("Wj=")
+disp(Wj)