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单词 subcarrier
释义

subcarrier

enUK

sub·car·ri·er

S0834900 (sŭb′kăr′ē-ər)n. Physics A section of a transmitted wave used to modify the information-carrying section of the wave.

subcarrier

(ˈsʌbˌkærɪə) n (Broadcasting) a subsidiary carrier wave that is modulated with information and applied as modulation to a main carrier wave that is already modulated with other information
Translations

subcarrier

enUK

subcarrier

[¦səb′kar·ē·ər] (communications) A carrier that is applied as a modulating wave to modulate another carrier. chrominance subcarrier

subcarrier

A secondary telecommunications channel that resides within the main channel (a carrier within a carrier). A type of multiplexing, the subcarrier is a modulated carrier signal at a lower frequency that is combined with the main carrier signal running at a higher frequency.

Many Uses
Color TV signals were added in a subcarrier to black and white signals in order to maintain backward compatibility with monochrome TV sets. Stereo was added to FM radio in a subcarrier for compatibility. Subcarriers are also often used to provide the audio channel in a video broadcast. See carrier.
MedicalSeeCarrierLegalSeecarrierAcronymsSeeSTIC
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更新时间:2025/2/5 23:19:28