Noun
digital signal (plural digital signals)
English Wikipedia has an article on:digital signalWikipedia
A signal that only takes discrete values (contrasted to an analog signal that can take continuously varying values).
Digital signal processing main Digital signal processing is the processing of digitized discrete-time sampled signals. Source: Internet
Digital signal processing and other applications typically use fast convolution algorithms to reduce the cost of the convolution to O(N log N) complexity. Source: Internet
Digital signal processing People must use ADCs to process, store, or transport virtually any analog signal in digital form. Source: Internet
Digital signal cross-connect DS1 signals are interconnected typically at Central Office locations at a common metallic cross-connect point known as a DSX-1. Source: Internet