pulse-generating tube

By use of subnanosecond pulse discharge tube, a pulse generator of high voltage ( kilo-voltage degree) and short risetime ( subnanosecond degree) can be obtained.

利用亚纳秒脉冲放电管可以获得快前沿〔亚ns级〕高幅值〔kV级〕毫微秒脉冲。

Taking the basic pulse tube cooler for example, the thesis calculates optimal diameter of the regenerator and value of the optimal work frequency by processing the program, which provides a new idea for how to further improve the working structure of the pulse tube cooler.

本文以基本型脉管制冷机为例，通过编制程序，计算得出了系统的最佳回热器直径和最佳工作频率值。

Study on a 4K two stage pulse tube refrigerator with double orifices

4K双小孔型二级脉管制冷机研究

The newest research direction about pulse tube refrigerator is multi-stage cryocooler driven by valveless compressor.

介绍了国外最新开展的关于脉冲管制冷机的研究方向:无阀压缩机驱动的 多级 脉冲管制冷机.

Study on the Relations between Structure Parameters of Subnanosecond Pulse Discharge Tube& It's Output Pulse Parameters

高压亚纳秒脉冲放电脉冲参量与放电管结构参量关系的研究

A pulse tube refrigerator driven by a thermoacoustic engine is a new type of cooler, which use the power from thermoacoustic engine that based on the thermoacoustic effect.

热声驱动的脉管制冷机是以基于热声效应的热声发动机作为脉管制冷机的驱动源来达到制冷效果的一种新型制冷装置。

Basing on theory of noise it is obtained detection equation of neutron streak image tube, from which minimal detectable neutron yield threshold of neutron pulse is induced. Also the influence of sensitivity of recording system on the detection threshold is discussed.

本文从噪音理论出发导出了中子扫描变象管的探测方程，从而求得了中子扫描变象管可探测的最小脉冲中子产额，而且讨论了记录系统灵敏度对探测阈的影响。

Because fuel distribution in detonation chamber governs the performance of pulse detonation engine ( PDE), some controlled fueling experiments were designed to test the effect of partial tube fills on PDE performance.

因为爆震室中燃料的分布和填充程度决定了脉冲爆震发动机（PDE）的性能，故试验中精心控制燃料填充程度，以研究爆震管中填充程度对脉冲爆震发动机性能的影响。

Development of a two stage pulse tube refrigerator working below 4K

低于4K温度工作的二级脉管制冷机研制

Compared with single tube PDE, there are many difficulties in coordinate work of each pulse detonation tube.

与单管脉冲爆震发动机（PDE）相比，多管PDE在将面临各脉冲爆震管协调工作的设计难点。