DTFT: Discrete Cosine
This demo shows the Discrete-Time Fourier Transformation (DTFT) \(X(\mathrm{e}^{\mathrm{j}\Omega})\) of a cosine signal \(x[k]=\cos(\omega k)\) with the adjustable frequency \(\omega\in[0,\pi]\).
This demo shows the Discrete-Time Fourier Transformation (DTFT) \(X(\mathrm{e}^{\mathrm{j}\Omega})\) of a cosine signal \(x[k]=\cos(\omega k)\) with the adjustable frequency \(\omega\in[0,\pi]\).