1) Phase-lock detection
锁相探测
2) track signal processing
锁相检测
1.
Dual axis small angle measurement instrument based on track signal processing;
锁相检测式二维小角度测量装置
3) Lock-in measurement
锁相测量
5) coherent detection
相干探测
1.
Research on the coherent detection for frequency based on acousto-optic deflection
基于声光偏转的载频相干探测研究
2.
Coherent detection has the advantage of bigger SNR(signal-to-noise ratio)than incoherent detection.
采用相干探测较非相干探测具有更高的信噪比。
3.
TThe comparison between coherent detection and direction detection, and between free-space optical communication and fiber optical communications are made.
对比了相干探测和直接探测,以及自由空间相干光通信和光纤相干通信,对相干自由空间激光通信系统的特点和关键技术进行了讨论,回顾了近年来国外在自由空间相干光通信领域内开展的有关研究计划。
补充资料：核爆炸地震波探测(见核爆炸探测)
核爆炸地震波探测(见核爆炸探测)
nuclear explosion seismic detection
hebaozho dizhenbo tanee核爆炸地震波探测(nuclear explos，onseismie detecuon)见核爆炸探汉，l。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条