plural of signal phrase

A gang sign.

plural of analog signal

plural of digital signal

A signal that only takes discrete values (contrasted to an analog signal that can take continuously varying values).

A signal that can vary in a continuous manner (as opposed to a digital signal that only takes discrete values).

(electrical engineering) The ratio comparing signal power to noise power. / (by extension) The quantity of quality information compared to irrelevant or incorrect information.

An American crayfish, Pacifastacus leniusculus, having a large claw that it waves to attract a mate.

plural of smoke-signal

plural of smoke signal