The instantaneous signal amplitude can be increased due to the impulse drive characteristic of the infrared source, the adaptability to the surface condition of the workpiece can be thus improved.
利用光源的脉冲驱动特性，加大了瞬时信号功率，改善了光学传感器对工件表面的适应性。
The drive signal of each module is from a same signal source, as a result, ensure the consistency of the driving signal in each module.
由于各个模块的驱动信号都来自于同一个信号源，因此能够保证各个模块的驱动信号的一致性。
The main part of the platform is the production of arbitrary signal driVe source and high frequency standard signal driVe source.
诊断平台的主要部分是任意信号激励源和高频标准信号激励源的产生。
The circuit of Photoelectricity Weak Signal Detection, preamplifier circuit, difference circuit, modulation circuit, optical source thermal control and current drive circuit etc. are designed.
设计实现了基于差分后谐波检测的微弱信号处理电路、前置放大电路、差分电路、调制电路和光源温度控制电路及电流驱动电路等。
The circuit of Photoelectricity Weak Signal Detection, preamplifier circuit, difference circuit, modulation circuit, optical source thermal control and current drive circuit etc. are designed.
设计实现了基于差分后谐波检测的微弱信号处理电路、前置放大电路、差分电路、调制电路和光源温度控制电路及电流驱动电路等。
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