noun
1.
( technical ) the strength of an electronic signal that you want to receive, compared to the strength of the signals that you do not want
2.
a measure of how much useful information you receive, compared to information which is not useful
noun
1.
( technical ) the strength of an electronic signal that you want to receive, compared to the strength of the signals that you do not want
2.
a measure of how much useful information you receive, compared to information which is not useful
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005