作者用采样滤波器制成了用于弱光信号检测的高q值自跟踪采样滤波器。
Author designed a high Q value auto tracing sampling filter for signal detection of weak light level.
根据相关检测原理设计的检测电路，成功地实现了对微弱光信号的检测，并具有很高的动态响应。
The measure circuits designed on relative principle can nicely detect optic weak signal and have characteristics of high dynamic response.
为改善传感器的性能，微弱光强信号的检测需要载波调制和双光路补偿。
To improve its performance, a carrier modulation and double light route compensation are necessary for detecting faint optical power signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
Using the optical chopper 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.
锁相放大器在微弱光电信号检测中有着广泛的应用。
Lock-in amplifiers are used widely in low photoelectric signal detecting.
根据微弱光离子化信号的检测需要，开发出一种光离子化信号数据采集与处理系统。
According to the detection demand of the weak photoionization signal, a new kind of data acquisition and processing system of photoionization signal is developed.
本文应用光电检测技术原理，设计了一种基于虚拟仪器技术平台的微弱光电信号采集与处理系统。
This paper using the principle of photoelectric detection to designed a weak photoelectric signal acquisition and process system based on virtual instrument technique.
本文应用光电检测技术原理，设计了一种基于虚拟仪器技术平台的微弱光电信号采集与处理系统。
This paper using the principle of photoelectric detection to designed a weak photoelectric signal acquisition and process system based on virtual instrument technique.
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