sig·nal-to-noise ra·ti·o
noun/ˌsɪɡnəl tə ˈnɔɪz reɪʃiəʊ/
/ˌsɪɡnəl tə ˈnɔɪz reɪʃiəʊ/
- (specialist) the strength of an electronic signal that you want to receive, compared to the strength of the signals that you do not want
信噪比；信号噪声比 - a measure of how much useful information you receive, compared to information which is not useful
讯息对杂讯比；讯杂比