torchsig.utils.dsp.partition_polyphase

torchsig.utils.dsp.partition_polyphase(h: ndarray, up_rate: int, taps_per_phase: int) → ndarray

Partitions filter coefficients into a polyphase filter bank.

Parameters:

• h – Filter coefficients (1D array of floats)

• up_rate – Upsampling factor (integer)

• taps_per_phase – Number of taps per phase (integer)

Returns:

2D array representing the polyphase filter bank