The design scheme of a new type electron sensor DGAC ( Double Grid Air Counter) for detection of microcracks of metallic materials is put forward.
该传感器的研究和设计,可为金属材料微裂纹的无损检测开拓一条新的研究途径。
By the working principle of Double Grid Air Counter ( DGAC) employed in detecting exoelectron emission, we put forward the design specifications of the power supply.
基于双栅极空气计数管的工作原理,提出了多路输出电源的设计指标。
Experiment results show that the optimization of main parameter in DGAC is reasonable and the analysis of quenching process is right. The pre-amplification circuit, the quenching circuit and the suppression circuit conform to the design requirement.
实验结果表明,主要参数优化设计合理,猝熄机理理论分析准确,前置放大电路、猝熄电路和抑制电路符合设计要求,电路工作可靠。
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