Chopper is an important part of infrared detecting system and laser radar; the transfer function is used to characterize the optical transfer characteristics of chopper.
斩波器是红外探测系统、激光雷达系统等的重要组成器件,传递函数可以用来描述斩波器的光学传递特性。
2
In accordance with the defects of the detecting device using vibration wire as the elastic sensing element, using a slot type opticalchopper as vibration detecting device is put forward in the paper.
针对以振弦作为弹性敏感元件的检测装置中存在的不足,提出以槽隙式光断续器作为振弦的拾振装置。
3
Using the opticalchopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.