A study on the influence of structures and parameters of the chamber on pressure ripple damping is carried out and a method for determining the best structure is also offered.
同时还对其结构和参数对衰减压力脉动的影响进行了分析，井提出确定最佳结构的方法。
This paper deals with the pressure ripple of the double vane pump using modern spectrum analysis—maximum entropy spectral estimation and indicates the causes of pressure ripple.
本文应用现代谱估计方法——最大熵谱估计分析了双联叶片泵供油系统的压力波动，指出了产生压力波动的原因。
A massive black hole is sending out jets of particles that crash into the cloud, causing pressure waves to ripple outward.
一个巨大的黑洞正在释放粒子喷流，这些粒子喷流又撞向云层，然后就产生了压力波向外界发出潺潺声的情况。
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