detection: Meaning and Definition of

de•tec•tion

1. the act of detecting.
2. the fact of being detected.
3. discovery, as of error or crime: chance detection of smuggling.
1. rectification of alternating signal currents in a radio receiver.
2. Also calleddemodulation.the conversion of an alternating, modulated carrier wave or current into a direct, pulsating current equivalent to the transmitted information-bearing signal.