clock base frequency test 时钟基频测试
A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.
介绍了一种用来测量电能计量装置的时钟基频误差,并提供GPS标准时间以校准其实时时钟的新型工具。
A experiment system at the base of rotor test bed was built to study the rotor faults diagnosis using the new time-frequency analysis method, then studed several typical faults.
以模拟转子实验台为基础构建了实验系统,并进行了实验研究。
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