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

---
 162/CH1/EX1.1/example11.jpg       | Bin 0 -> 22177 bytes
 162/CH1/EX1.1/example11.sce       |  28 ++++++++++++++++++++++++++++
 162/CH1/EX1.1/example11_a.jpg     | Bin 0 -> 40076 bytes
 162/CH1/EX1.11.b/example111b.sce  |  16 ++++++++++++++++
 162/CH1/EX1.12.b/example112b.sce  |  31 +++++++++++++++++++++++++++++++
 162/CH1/EX1.15.a/example115_a.jpg | Bin 0 -> 23273 bytes
 162/CH1/EX1.15.a/example115a.sce  |   7 +++++++
 162/CH1/EX1.15.b/example115_b.jpg | Bin 0 -> 24775 bytes
 162/CH1/EX1.15.b/example115b.sce  |   7 +++++++
 162/CH1/EX1.15.c/example115_c.jpg | Bin 0 -> 26236 bytes
 162/CH1/EX1.15.c/example115c.sce  |   7 +++++++
 162/CH1/EX1.15.d/example115_d.jpg | Bin 0 -> 28850 bytes
 162/CH1/EX1.15.d/example115d.sce  |   7 +++++++
 162/CH1/EX1.15.e/example115_e.jpg | Bin 0 -> 27302 bytes
 162/CH1/EX1.15.e/example115e.sce  |   7 +++++++
 162/CH1/EX1.19.a/example119a.sce  |   7 +++++++
 162/CH1/EX1.19.b/example119b.sce  |   7 +++++++
 162/CH1/EX1.19.c/example119c.sce  |   7 +++++++
 162/CH1/EX1.3.a/example13a.sce    |  10 ++++++++++
 162/CH1/EX1.3.b/example13b.sce    |   9 +++++++++
 162/CH1/EX1.4/example14.jpg       | Bin 0 -> 11839 bytes
 162/CH1/EX1.4/example14.sce       |  23 +++++++++++++++++++++++
 162/CH1/EX1.4/example14_a.jpg     | Bin 0 -> 23667 bytes
 162/CH1/EX1.5/example15.sce       |   9 +++++++++
 162/CH1/EX1.6/example16.jpg       | Bin 0 -> 14844 bytes
 162/CH1/EX1.6/example16.sce       |  12 ++++++++++++
 162/CH1/EX1.8.a/example18_a.jpg   | Bin 0 -> 19926 bytes
 162/CH1/EX1.8.a/example18a.sce    |   9 +++++++++
 162/CH1/EX1.9.a/example19a.sce    |  14 ++++++++++++++
 162/CH1/EX1.9.b/example19b.sce    |  14 ++++++++++++++
 162/CH1/EX1.9.c/example19c.sce    |  14 ++++++++++++++
 31 files changed, 245 insertions(+)
 create mode 100755 162/CH1/EX1.1/example11.jpg
 create mode 100755 162/CH1/EX1.1/example11.sce
 create mode 100755 162/CH1/EX1.1/example11_a.jpg
 create mode 100755 162/CH1/EX1.11.b/example111b.sce
 create mode 100755 162/CH1/EX1.12.b/example112b.sce
 create mode 100755 162/CH1/EX1.15.a/example115_a.jpg
 create mode 100755 162/CH1/EX1.15.a/example115a.sce
 create mode 100755 162/CH1/EX1.15.b/example115_b.jpg
 create mode 100755 162/CH1/EX1.15.b/example115b.sce
 create mode 100755 162/CH1/EX1.15.c/example115_c.jpg
 create mode 100755 162/CH1/EX1.15.c/example115c.sce
 create mode 100755 162/CH1/EX1.15.d/example115_d.jpg
 create mode 100755 162/CH1/EX1.15.d/example115d.sce
 create mode 100755 162/CH1/EX1.15.e/example115_e.jpg
 create mode 100755 162/CH1/EX1.15.e/example115e.sce
 create mode 100755 162/CH1/EX1.19.a/example119a.sce
 create mode 100755 162/CH1/EX1.19.b/example119b.sce
 create mode 100755 162/CH1/EX1.19.c/example119c.sce
 create mode 100755 162/CH1/EX1.3.a/example13a.sce
 create mode 100755 162/CH1/EX1.3.b/example13b.sce
 create mode 100755 162/CH1/EX1.4/example14.jpg
 create mode 100755 162/CH1/EX1.4/example14.sce
 create mode 100755 162/CH1/EX1.4/example14_a.jpg
 create mode 100755 162/CH1/EX1.5/example15.sce
 create mode 100755 162/CH1/EX1.6/example16.jpg
 create mode 100755 162/CH1/EX1.6/example16.sce
 create mode 100755 162/CH1/EX1.8.a/example18_a.jpg
 create mode 100755 162/CH1/EX1.8.a/example18a.sce
 create mode 100755 162/CH1/EX1.9.a/example19a.sce
 create mode 100755 162/CH1/EX1.9.b/example19b.sce
 create mode 100755 162/CH1/EX1.9.c/example19c.sce

(limited to '162/CH1')

diff --git a/162/CH1/EX1.1/example11.jpg b/162/CH1/EX1.1/example11.jpg
new file mode 100755
index 000000000..83f8f1fae
Binary files /dev/null and b/162/CH1/EX1.1/example11.jpg differ
diff --git a/162/CH1/EX1.1/example11.sce b/162/CH1/EX1.1/example11.sce
new file mode 100755
index 000000000..e65433179
--- /dev/null
+++ b/162/CH1/EX1.1/example11.sce
@@ -0,0 +1,28 @@
+//Example1.1
+clc;
+t=0:0.01:9;
+A=0:4/900:4;
+for i=1:length(t)
+    if t(i)<3 then
+        x(i)=A(i)*t(i);
+    else
+        x(i)=0
+    end
+end
+t1=t+3;
+subplot(2,2,1)
+plot(t1,x);
+xtitle('x(t-3)');
+subplot(2,2,2)
+plot(4*t,x);
+xtitle('x(t/4)');
+subplot(2,2,3)
+plot(t/3,x);
+xtitle('x(3t)');
+subplot(2,2,4)
+t2=-9:0.01:0
+plot(t2,x($:-1:1));
+xtitle('x(-t)');
+figure
+plot(t,x);
+xtitle('x(t)');
\ No newline at end of file
diff --git a/162/CH1/EX1.1/example11_a.jpg b/162/CH1/EX1.1/example11_a.jpg
new file mode 100755
index 000000000..48f185518
Binary files /dev/null and b/162/CH1/EX1.1/example11_a.jpg differ
diff --git a/162/CH1/EX1.11.b/example111b.sce b/162/CH1/EX1.11.b/example111b.sce
new file mode 100755
index 000000000..256d554fe
--- /dev/null
+++ b/162/CH1/EX1.11.b/example111b.sce
@@ -0,0 +1,16 @@
+//Example 1.11b
+//Determine whether the following signal is time invariant or not
+clc;
+n0=2;
+N=10;
+for n=1:N
+    x(n)=n; 
+    y(n)=n*x(n);
+end
+inputshift=x(N-n0);
+outputshift=y(N-n0);
+if(inputshift==outputshift)
+    disp('THE GIVEN SYSTEM IS TIME INVARIANT')
+else
+    disp('THE GIVEN SYSTEM IS TIME VARIANT');
+end
\ No newline at end of file
diff --git a/162/CH1/EX1.12.b/example112b.sce b/162/CH1/EX1.12.b/example112b.sce
new file mode 100755
index 000000000..263477ffb
--- /dev/null
+++ b/162/CH1/EX1.12.b/example112b.sce
@@ -0,0 +1,31 @@
+//Example 1.12b
+//Determine whether the system is linear or not
+clc;
+x1=[1,1,1,1]
+x2=[2,2,2,2]
+a=1
+b=1
+for n=1:length(x1)
+    x3(n)=a*x1(n)+b*x2(n)
+end
+for n=1:length(x1)
+    y1(n)=x1(n)^2
+    y2(n)=x2(n)^2
+    y3(n)=x3(n)^2
+end
+for n=1:length(y1)
+    z(n)=a*y1(n)+b*y2(n)
+end
+count=0
+for n=1:length(y1)
+    if(y3(n)==z(n))
+        count=count+1;
+     end   
+end
+if(count==length(y3))
+disp('It satisfy the superposition principle');
+disp('THE GIVEN SYSTEM IS LINEAR ');
+else
+    disp('It does not satisfy superposition principle ');
+    disp('THE GIVEN SYSTEM IS NON LINEAR');
+end
\ No newline at end of file
diff --git a/162/CH1/EX1.15.a/example115_a.jpg b/162/CH1/EX1.15.a/example115_a.jpg
new file mode 100755
index 000000000..72551e96c
Binary files /dev/null and b/162/CH1/EX1.15.a/example115_a.jpg differ
diff --git a/162/CH1/EX1.15.a/example115a.sce b/162/CH1/EX1.15.a/example115a.sce
new file mode 100755
index 000000000..8583bfa75
--- /dev/null
+++ b/162/CH1/EX1.15.a/example115a.sce
@@ -0,0 +1,7 @@
+//Example 1.15a
+//Check whether the given signal is periodic or not
+clc;
+t=-10:0.01:10;
+y=cos(t+(%pi/3));
+plot(t,y);
+disp('Plot shows that the given signal is periodic with period 2*%pi');
\ No newline at end of file
diff --git a/162/CH1/EX1.15.b/example115_b.jpg b/162/CH1/EX1.15.b/example115_b.jpg
new file mode 100755
index 000000000..b5691b969
Binary files /dev/null and b/162/CH1/EX1.15.b/example115_b.jpg differ
diff --git a/162/CH1/EX1.15.b/example115b.sce b/162/CH1/EX1.15.b/example115b.sce
new file mode 100755
index 000000000..f549aadd9
--- /dev/null
+++ b/162/CH1/EX1.15.b/example115b.sce
@@ -0,0 +1,7 @@
+//Example 1.15b
+//Check whether the given signal is periodic or not
+clc;
+t=-10:0.01:10;
+y=sin((2*%pi/5)*t);
+plot(t,y);
+disp('Plot shows that the given signal is periodic with period 5');
\ No newline at end of file
diff --git a/162/CH1/EX1.15.c/example115_c.jpg b/162/CH1/EX1.15.c/example115_c.jpg
new file mode 100755
index 000000000..7af3f2efa
Binary files /dev/null and b/162/CH1/EX1.15.c/example115_c.jpg differ
diff --git a/162/CH1/EX1.15.c/example115c.sce b/162/CH1/EX1.15.c/example115c.sce
new file mode 100755
index 000000000..f89b8b365
--- /dev/null
+++ b/162/CH1/EX1.15.c/example115c.sce
@@ -0,0 +1,7 @@
+//Example 1.15c
+//Check whether the given signal is periodic or not
+clc;
+t=-20:0.01:20;
+y=sin((%pi/2)*t)+cos((%pi/4)*t);
+plot(t,y);
+disp('Plot shows that the given signal is periodic with period 40');
\ No newline at end of file
diff --git a/162/CH1/EX1.15.d/example115_d.jpg b/162/CH1/EX1.15.d/example115_d.jpg
new file mode 100755
index 000000000..83f0079a0
Binary files /dev/null and b/162/CH1/EX1.15.d/example115_d.jpg differ
diff --git a/162/CH1/EX1.15.d/example115d.sce b/162/CH1/EX1.15.d/example115d.sce
new file mode 100755
index 000000000..7ac2943d3
--- /dev/null
+++ b/162/CH1/EX1.15.d/example115d.sce
@@ -0,0 +1,7 @@
+//Example 1.15d
+//Check whether the given signal is periodic or not
+clc;
+t=-10:0.01:10;
+y=(cos(t))^2;
+plot(t,y);
+disp('Plot shows that the given signal is periodic with period %pi');
\ No newline at end of file
diff --git a/162/CH1/EX1.15.e/example115_e.jpg b/162/CH1/EX1.15.e/example115_e.jpg
new file mode 100755
index 000000000..e18ad790e
Binary files /dev/null and b/162/CH1/EX1.15.e/example115_e.jpg differ
diff --git a/162/CH1/EX1.15.e/example115e.sce b/162/CH1/EX1.15.e/example115e.sce
new file mode 100755
index 000000000..227f6fc2e
--- /dev/null
+++ b/162/CH1/EX1.15.e/example115e.sce
@@ -0,0 +1,7 @@
+//Example 1.15e
+//Check whether the given signal is periodic or not
+clc;
+t=-20:0.01:20;
+y=sin(t)+cos(sqrt(3)*t);
+plot(t,y);
+disp('Plot shows that the given signal is NOT periodic');
\ No newline at end of file
diff --git a/162/CH1/EX1.19.a/example119a.sce b/162/CH1/EX1.19.a/example119a.sce
new file mode 100755
index 000000000..18189d5f9
--- /dev/null
+++ b/162/CH1/EX1.19.a/example119a.sce
@@ -0,0 +1,7 @@
+//Example 1.19a
+//Check whether the given signal is periodic or not
+clc;
+n=-50:50;
+y=sin(n/5);
+plot2d3(n,y);
+disp('Plot shows that the given signal is periodic');
\ No newline at end of file
diff --git a/162/CH1/EX1.19.b/example119b.sce b/162/CH1/EX1.19.b/example119b.sce
new file mode 100755
index 000000000..7a534f0d7
--- /dev/null
+++ b/162/CH1/EX1.19.b/example119b.sce
@@ -0,0 +1,7 @@
+//Example 1.19b
+//Check whether the given signal is periodic or not
+clc;
+n=-20:20;
+x=exp(%i*(%pi/5)*n);
+plot2d3(n,x);
+disp('Plot shows that the given signal is periodic');
\ No newline at end of file
diff --git a/162/CH1/EX1.19.c/example119c.sce b/162/CH1/EX1.19.c/example119c.sce
new file mode 100755
index 000000000..cc5fa5a18
--- /dev/null
+++ b/162/CH1/EX1.19.c/example119c.sce
@@ -0,0 +1,7 @@
+//Example 1.19c
+//Check whether the given signal is periodic or not
+clc;
+n=-75:75;
+x=cos((%pi/5)*n)+sin((%pi/6)*n);
+plot2d3(n,x);
+disp('Plot shows that the given signal is periodic');
\ No newline at end of file
diff --git a/162/CH1/EX1.3.a/example13a.sce b/162/CH1/EX1.3.a/example13a.sce
new file mode 100755
index 000000000..ce46235f0
--- /dev/null
+++ b/162/CH1/EX1.3.a/example13a.sce
@@ -0,0 +1,10 @@
+//Example 1.3a
+//Find whether the the given signal is energy or power signal
+clc;
+A=0.5;
+phi=0;
+t=0:0.001:10;
+y=A*sin(2*%pi*t+phi);
+P=(integrate('A^2*(sin(2*%pi*t))^2','t',0,2*%pi))/(2*%pi);
+disp(P,'Power of the signal is');
+disp('Since the power of the given signal is finite so we can say that this signal is a power signal');
\ No newline at end of file
diff --git a/162/CH1/EX1.3.b/example13b.sce b/162/CH1/EX1.3.b/example13b.sce
new file mode 100755
index 000000000..8318edd98
--- /dev/null
+++ b/162/CH1/EX1.3.b/example13b.sce
@@ -0,0 +1,9 @@
+//Example 1.3b
+//Find whether the the given signal is energy or power signal
+clc;
+b=0.5;
+t=0:0.001:10;
+y=exp(-b*t);
+E=integrate('(exp(-b*t))^2','t',0,2*%pi);
+disp(E,'Energy of the signal is');
+disp('Since the energy of the given signal is finite so we can say that this signal is an energy signal');
\ No newline at end of file
diff --git a/162/CH1/EX1.4/example14.jpg b/162/CH1/EX1.4/example14.jpg
new file mode 100755
index 000000000..e412c159e
Binary files /dev/null and b/162/CH1/EX1.4/example14.jpg differ
diff --git a/162/CH1/EX1.4/example14.sce b/162/CH1/EX1.4/example14.sce
new file mode 100755
index 000000000..0ec75bb5d
--- /dev/null
+++ b/162/CH1/EX1.4/example14.sce
@@ -0,0 +1,23 @@
+//Example 1.4
+//Time Shifting And Scaling
+clc;
+n=-2:8;
+x=[0,0,0,1,2,3,4,4,0,0,0];
+n1=n+3;
+subplot(2,2,1);
+plot2d3(n1,x);
+xtitle('x[n-3]');
+subplot(2,2,2);
+plot2d3(ceil(n/3),x);
+xtitle('x[3n]');
+subplot(2,2,3);
+n2=-8:2;
+plot2d3(n2,x($:-1:1));
+xtitle('x[-n]');
+subplot(2,2,4)
+n3=n2+3;
+plot2d3(n3,x($:-1:1));
+xtitle('x[-n+3]');
+figure
+plot2d3(n,x);
+xtitle('x[n]');
\ No newline at end of file
diff --git a/162/CH1/EX1.4/example14_a.jpg b/162/CH1/EX1.4/example14_a.jpg
new file mode 100755
index 000000000..a7e6c7ea0
Binary files /dev/null and b/162/CH1/EX1.4/example14_a.jpg differ
diff --git a/162/CH1/EX1.5/example15.sce b/162/CH1/EX1.5/example15.sce
new file mode 100755
index 000000000..cdc56454d
--- /dev/null
+++ b/162/CH1/EX1.5/example15.sce
@@ -0,0 +1,9 @@
+//Example 1.5
+clc;
+n=-1:5;
+x1=[0,0,1,2,-3,0,-2];
+x2=[2,1,-1,3,2,0,0];
+y1=x1+x2;
+disp(y1,'y1[n]=');
+y2=x1.*x2;
+disp(y2,'y2[n]=');
\ No newline at end of file
diff --git a/162/CH1/EX1.6/example16.jpg b/162/CH1/EX1.6/example16.jpg
new file mode 100755
index 000000000..dbd581ee5
Binary files /dev/null and b/162/CH1/EX1.6/example16.jpg differ
diff --git a/162/CH1/EX1.6/example16.sce b/162/CH1/EX1.6/example16.sce
new file mode 100755
index 000000000..628ab4e69
--- /dev/null
+++ b/162/CH1/EX1.6/example16.sce
@@ -0,0 +1,12 @@
+//Example 1.6
+clc;
+n1=-4:-1;
+for i=1:length(n1)
+    x(i)=1+(n1(i)/4);
+end
+for j=5:9
+    x(j)=1;
+end
+n=-4:4;
+plot2d3(n,x);
+xtitle('x[n]');
\ No newline at end of file
diff --git a/162/CH1/EX1.8.a/example18_a.jpg b/162/CH1/EX1.8.a/example18_a.jpg
new file mode 100755
index 000000000..6da5017cc
Binary files /dev/null and b/162/CH1/EX1.8.a/example18_a.jpg differ
diff --git a/162/CH1/EX1.8.a/example18a.sce b/162/CH1/EX1.8.a/example18a.sce
new file mode 100755
index 000000000..b57719385
--- /dev/null
+++ b/162/CH1/EX1.8.a/example18a.sce
@@ -0,0 +1,9 @@
+//Example 1.8a
+//Check whether the given signal is periodic or not
+clc;
+n=-20:20;
+x=cos(0.1*%pi*n);
+plot2d3(n,x);
+f=0.1*%pi/(2*%pi);//f is no. of cycles per sample
+N=1/f;//N is no. of samples per cycle
+disp('samples',N,'Figure shows that the signal is periodic with period equal to');
\ No newline at end of file
diff --git a/162/CH1/EX1.9.a/example19a.sce b/162/CH1/EX1.9.a/example19a.sce
new file mode 100755
index 000000000..993a2fb66
--- /dev/null
+++ b/162/CH1/EX1.9.a/example19a.sce
@@ -0,0 +1,14 @@
+//Example 1.9a
+clc;
+E=0;
+for n=0:100
+    x(n+1)=(-0.3)^n;
+end
+for n=0:100
+    E=E+x(n+1)^2;
+end
+if E<%inf then
+    disp(E,'The given signal is energy signal with energy=');
+else
+    disp('The given signal is not energy signal');
+end
\ No newline at end of file
diff --git a/162/CH1/EX1.9.b/example19b.sce b/162/CH1/EX1.9.b/example19b.sce
new file mode 100755
index 000000000..781010f1f
--- /dev/null
+++ b/162/CH1/EX1.9.b/example19b.sce
@@ -0,0 +1,14 @@
+//Example 1.9b
+clc;
+for n=0:100
+    x(n+1)=2;
+end
+P=0;
+for n=0:100
+    P=P+(abs(x(n+1)^2))/100;
+end
+if P<%inf then
+    disp(P,'The given signal is power signal with power =');
+else
+    disp('The given signal is not power signal');
+end
\ No newline at end of file
diff --git a/162/CH1/EX1.9.c/example19c.sce b/162/CH1/EX1.9.c/example19c.sce
new file mode 100755
index 000000000..e3860395d
--- /dev/null
+++ b/162/CH1/EX1.9.c/example19c.sce
@@ -0,0 +1,14 @@
+//Example 1.9c
+clc;
+for n=1:100
+    x(n)=3*exp(%i*2*n);
+end
+P=0;
+for n=1:100
+    P=P+(abs(x(n)^2))/100;
+end
+if P<%inf then
+    disp(P,'The given signal is power signal with power =');
+else
+    disp('The given signal is not power signal');
+end
\ No newline at end of file
-- 
cgit