Demodulates the complex symbols \(\hat{x}[k]\) to decimal symbols \(\hat{s}[k]\) using maximum-likelihood estimation.

Parameters:¶

x_hat: ArrayLike¶

The complex symbols \(\hat{x}[k]\) to demodulate.

Returns:¶

The decimal symbols \(\hat{s}[k]\), \(0\) to \(M-1\).