sdr.FIR.impulse_response(N: int | None = None) NDArray

Returns the impulse response h[n] of the FIR filter. The impulse response h[n] is the filter output when the input is an impulse δ[n].

Parameters:
N: int | None = None

The number of samples to return. The default is the filter length.

Returns:

The impulse response of the IIR filter h[n].

Examples

See the FIR filters example.