initial commit / add all books

7 files changed, 55 insertions, 0 deletions

diff --git a/2303/CH1/EX1.4/EX_1_4.png b/2303/CH1/EX1.4/EX_1_4.png
new file mode 100755
index 000000000..31eaee0c1
--- /dev/null
+++ b/2303/CH1/EX1.4/EX_1_4.png
diff --git a/2303/CH1/EX1.4/EX_1_4.sce b/2303/CH1/EX1.4/EX_1_4.sce
new file mode 100755
index 000000000..359deb746
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+++ b/2303/CH1/EX1.4/EX_1_4.sce
@@ -0,0 +1,12 @@
+//Example 1 4

+clc ;

+clear;

+close;

+f=9;      //assuming frequency to be a constant 9Hz.

+t =0:.01:10;

+x= cos (2* %pi *f*t);

+plot (t,x);

+xlabel('Time');

+ylabel('Amplitude');

+title('Plot of given sequence to test periodicity');

+disp ( 'Plotting the signal and showing that it is periodic with period=1/f' );

diff --git a/2303/CH1/EX1.5/EX_1_5.png b/2303/CH1/EX1.5/EX_1_5.png
new file mode 100755
index 000000000..5bdb86562
--- /dev/null
+++ b/2303/CH1/EX1.5/EX_1_5.png
diff --git a/2303/CH1/EX1.5/EX_1_5.sce b/2303/CH1/EX1.5/EX_1_5.sce
new file mode 100755
index 000000000..0c6025d63
--- /dev/null
+++ b/2303/CH1/EX1.5/EX_1_5.sce
@@ -0,0 +1,13 @@
+//Example 1 5

+clc ;

+clear;

+close;

+f=9;      //assuming frequency to be a constant 9Hz.

+t =0:.1:10;

+x1= cos (2* %pi *f*t);

+x2=t+x1;

+plot (t,x2);

+xlabel('Time');

+ylabel('Amplitude');

+title('Plot of given sequence to test periodicity');

+disp ( 'Plotting the signal and showing that it is APERIODIC' );

diff --git a/2303/CH1/EX1.6/EX_1_6.sce b/2303/CH1/EX1.6/EX_1_6.sce
new file mode 100755
index 000000000..2b34bd895
--- /dev/null
+++ b/2303/CH1/EX1.6/EX_1_6.sce
@@ -0,0 +1,9 @@
+//Example 1 6

+clc ;

+clear;

+close;

+f=9;      //assuming frequency to be a constant 9Hz.

+t =0:.1:10;

+x= t+sin(4*180*f*t)+cos(2*180*f*t);

+disp(x);

+disp('Since value of the signal at any time t is known, it is a DETERMINISTIC signal');

diff --git a/2303/CH1/EX1.7/EX_1_7.sce b/2303/CH1/EX1.7/EX_1_7.sce
new file mode 100755
index 000000000..3b3e2ea59
--- /dev/null
+++ b/2303/CH1/EX1.7/EX_1_7.sce
@@ -0,0 +1,11 @@
+//Example 1.7

+clc;

+clear;

+close;

+t =0:0.01:10

+F=1000;

+x=sin(2*%pi*F*t);

+

+P={integrate('(sin(2*180*F*t)^2)','t',-0.001,+0.001)}/(2*1/F);

+disp(P,"Power of signal= ");

+disp("Since the given signal has a finite power, it is a POWER signal");

diff --git a/2303/CH1/EX1.8/EX_1_8.sce b/2303/CH1/EX1.8/EX_1_8.sce
new file mode 100755
index 000000000..12c8b9010
--- /dev/null
+++ b/2303/CH1/EX1.8/EX_1_8.sce
@@ -0,0 +1,10 @@
+//Example 1.8

+clc;

+clear;

+close;

+t =0:0.001:0.5

+x=sin(2*%pi*100*t);

+

+E=integrate('(sin(2*%pi*100*t)^2)','t',-0.01,+0.01);

+disp(E,"Energy of signal= ");

+disp("Since the given signal has a finite energy, it is a ENERGY signal");