本文介绍电液伺服阀频率特性的压差式测试原理及频率特性测试仪的硬软件结构、原理及特点。

This paper presents the principle, hardware structure, and features of a frequency characteristics instrument for electro-hydraulic servo valves.

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该阀具有很高的切换速度和频率，可以用来作为大流量高速开关阀的先导控制阀，也可以在小流量回路中直接作为控制阀使用。

It has the higher switching speed and frequency and can be used as the pilot valve for a larger flow rate valve, or as a direct control valve for small flow rate hydraulic loop.

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与喷嘴由电磁阀控制的气体靶激光等离子体软x射线源相比，它有较高的工作频率。

And it has higher operating frequency than gas target soft X-ray sources whose nozzle is controlled by a solenoid valve.

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