carrier detection
载波检波器 [电子] carrier detector ; detector carrier
伴音载波检波器 sound carrier detector
内载波检波 [电子] intercarrier detection
数据载波检波器 [电子] data carrier detector
视频副载波检波器 video subcarrier detector
载波差拍伴音检波器 intercarrier sound detector
这种采用锁相技术、同步检波的原理，降低了整个系统的成本，提高了灵敏度，并使得载波信号与调制信号完全达到同步。
The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
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