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How to Generate a Basic Sinusoid

How to Generate a Basic Sinusoid

Find out how to construct a simple sinusoid.

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Mastering the DSP toolkit starts with a basic sinusoidal signal.

A sinusoid

As a function of time tt, a real sinusoid is given by:

x(t)=Acos(2πft+ϕ)x(t) = A \cos(2\pi f t+\phi)

There are three parameters that determine the actual signal:

  • Amplitude AA
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