Python Polyphase API¶
Removed in 0.3.0
doppler.polyphase has been removed. The DPMFS polynomial-fit
resampler (ResamplerDpmfs) has also been removed.
Migration: use doppler.resample.Resampler for all rate
conversion. Its built-in 4096-phase × 19-tap Kaiser bank covers
all practical use cases with no coefficient design step required.
from doppler.resample import Resampler
r = Resampler(0.5) # 2× decimation, 60 dB rejection
y = r.execute(iq)
For tighter specs, pass rejection, passband, and stopband: