sdr.DiscreteMemorylessChannel.__call__(x: ArrayLike) → NDArray[int_] Passes the input sequence \(x\) through the channel. Parameters:¶ x: ArrayLike¶The input sequence \(x\) with \(x_i \in \mathcal{X}\). Returns:¶ The output sequence \(y\) with \(y_i \in \mathcal{Y}\).