comnum.snr_db

comnum.snr_db(rx, tx)

SNR (dB) of a received sequence against the transmitted one, 10 log10(P_tx/P_{rx-tx}).

Parameters:

• rx (array_like) – the received samples.

• tx (array_like) – the transmitted samples, of the same length.

Returns:

the SNR (dB).

Return type:

float

Raises:

ValueError – for an invalid parameter or input (the message names it).