MATLAB program for Sinwave signal Generation
Sine Wave:
A sine wave has the same shape as the graph of the
sine function used in trigonometry. The sine wave or sinusoid is a mathematical
function that describes a smooth repetitive oscillation. It occurs often in
pure mathematics, as well as physics, signal processing, electrical engineering
and many other fields. It’s most basic form as a function of time (t) is:
y(t) = A sin (wt + ɸ )
where;
A, the amplitude, is the peak deviation of the
function from its center position.
ω, the
angular frequency, specifies how many oscillations occur in a unit time
interval, in
radians
per second
ɸ, the phase, specifies where in its cycle
the oscillation begins at t = 0.
Sine
Wave can be obtained by using the following formulae
x=sin(2*pi*fi*n)
Sine wave:-
T=input ('Input time of the Sinusoidal signal= ');
fi=input('Input Frequency of the Sinusoidal signal= );
n =0:0.01:T;
X=sin(2*pi*fi*n);
stem(n,X);
%plot(n,X)
title('input Squence');
xlabel('Time n');
ylabel('Amplitude');
Output Waveform:-
Input time of the Sinusoidal signal= 1
Input Frequency of the Sinusoidal signal= 4
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