sdr.peak_power(x: ArrayLike) → float Measures the peak power of a time-domain signal \(x[n]\). \[P_{\text{peak}} = \max \left( \left| x[n] \right|^2 \right)\] Parameters:¶ x: ArrayLike¶The time-domain signal \(x[n]\) to measure. Returns:¶ The peak power of \(x[n]\) in units^2.