Do you need to trigger the cameras via an external signal?
希望通过外部信号触发照相机吗？
Dynamic speckle photography of the gear tooth has been achieved by combining a pulsed ruby laser with the external synchronizing trigger signal.
红宝石脉冲激光器和外同步触发信号结合实现了齿轮轮齿动态散斑图的记录。
It also discusses some key techniques such as the design of ECL circuit, high speed signal processing and external trigger control.
并对ECL电路、高速信号及外部触发控制等关键技术进行了详细的讨论。
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