sdr.ClosedLoopPLL.phase_error_variance(cn0: float) → float

Returns the variance of the phase error of the PLL in steady state.

Parameters:
cn0: float

The carrier-to-noise density ratio of the input signal in dB-Hz.

Returns:

The variance of the phase error of the PLL in radians^2.

References

    1. Rice, Digital Communications: A Discrete-Time Approach, Equation C.43.

Examples

See the Phase-locked loops example.