A bootstrap MOS circuit is introduced for bias, which shows a good performance in power supply rejectratio.
偏置电路采用自举基准源，具有良好的电源抑制比。
2
The application of this system reduce handlers work intensity, and remarkably reduce rejectratio and returning rate, and enhance welding productivity.
系统的应用，降低了操作者劳动强度，显著降低了废品率和返修率，提高了焊接生产率。
3
According to the properties of signal and noise, we detect the weak laser pulse signal using the technique of correlation detection to reject noise and enhance signal-to-noise ratio.