In this background, with the application of CPLD in V-M System, a digital SCR trigger circuit with phase shifting is developed which is absolutely different from the former ones.
在此背景下，本次设计将CPLD引入到V-M系统中，开发出与以往脉冲产生方式相区别的数字式移相触发电路。
The system adopts digital phase-shifting and fringe projection techniques and its measurement has advantages of non-contact, the whole field, higher precision, and quite high speed.
该系统采用了数字相移条纹投影技术，测量具有非接触、全场、精度较高及快速等优点。
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