测试液压系统油液综合体积弹性模量的互相关测速方法

Cross-correlation speed measuring method for determining the effective bulk modulus of oil in hydraulic system

本文引用工程信号处理技术中的相关测速原理,提出了测试液压系统油液综合体积弹性模量β_■的互相关测速方法,并建立了相应的测试系统。该测试方法的实现,大大提高了β_■的测试精度,简化了β_■的测试过程。

The paper puts forward the cross-correlation speed measuring method for determining the effective bulk modulus of oil in hydraulic systems by applying the basic theory of engineering signal processing, and sets up the measuring system. This method can improve the measuring precision and simple the test apparatus greatly.