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+//Example 1.17<i>

+//Determine the power and the rms value of the signal

+clc;

+t=0:0.001:10;

+y=5*cos(50*t+%pi/3);

+P=(integrate('5^2*(cos(50*t))^2','t',0,2*%pi))/(2*%pi);

+rmsvalue=sqrt(P);

+disp(P,'The power of the given signal is:');

+disp(rmsvalue,'the rms value is:');

+//Example 1.17<ii>

+//Determine the power amd rms value of the signal

+clc;

+t=0:0.001:10;

+x1=10*sin(50*t+%pi/4);

+x2=16*cos(100*t+%pi/3);

+P1=(integrate('10^2*(sin(50*t))^2','t',0,2*%pi))/(2*%pi);

+P2=(integrate('16^2*(cos(100*t))^2','t',0,2*%pi))/(2*%pi);

+P=P1+P2;

+rmsvalue=sqrt(P);

+disp(P,'The power of the given signal is:');

+disp(rmsvalue,'the rms value is:');

+//Example 1.17 <iii>

+//Determine the power and rms value of the signal

+clc;

+t=0:0.001:10;

+x1=5*cos(15*t);

+x2=5*cos(5*t);

+P1=(integrate('5^2*(cos(15*t))^2','t',0,2*%pi))/(2*%pi);

+P2=(integrate('5^2*(cos(5*t))^2','t',0,2*%pi))/(2*%pi);

+P=P1+P2;

+rmsvalue=sqrt(P);

+disp(P,'The power of the given signal is:');

+disp(rmsvalue,'the rms value is:');

+

+