This paper analysed the necessity of dynamic valve timing measurement and introduced the principle of the instrument developed by us to measure static and dynamic valve timing.
本文分析了迸行配气正时动态测定的必要性，介绍了我们研制的配气正时仪及对发动机进行动、静态测定的情况。
According to this method of multi-polar set dynamic balancing valve design concept is wrong.
而按照这一方法多极设置动态平衡阀设计概念是不对的。
Applying wavelet denoise to improve the test signal, the dynamic characteristic parameters of a overflow valve were obtained by selecting characteristic point of the signal.
此系统应用小波降噪的方法提高测试信号的质量，然后提取信号特征点，得到溢流阀动态特性的各项参数。
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