sdr¶

Filtering¶

class sdr.IIR

Implements an infinite impulse response (IIR) filter.

Resampling¶

class sdr.FarrowResampler

A cubic Farrow arbitrary resampler.

Phase/time-locked loops¶

class sdr.ClosedLoopPLL

A class that defines the performance of a closed-loop PLL.

class sdr.DDS

Implements a direct digital synthesizer (DDS).

class sdr.LoopFilter

Implements a 2nd order, proportional-plus-integrator (PPI) loop filter.

class sdr.NCO

Implements a numerically-controlled oscillator (NCO).