sdr.LinearModulation.map_symbols(s: ArrayLike) → NDArray[complex_] Converts the decimal symbols \(s[k]\) to complex symbols \(a[k]\). Parameters:¶ s: ArrayLike¶The decimal symbols \(s[k]\) to map, \(0\) to \(M-1\). Returns:¶ The complex symbols \(a[k]\).