| 单词 | detection |
| 释义 | detection /di tek"sheuhn/, n. 1. the act of detecting. 2. the fact of being detected. 3. discovery, as of error or crime: chance detection of smuggling. 4. Telecommunications. a. rectification of alternating signal currents in a radio receiver. b. Also called demodulation. the conversion of an alternating, modulated carrier wave or current into a direct, pulsating current equivalent to the transmitted information-bearing signal. [1425-75; late ME < LL detection- (s. of detectio), equiv. to L detect(us) (see DETECT) + -ion- -ION] |
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