This paper presents a method for failure prediction of Small mechanical Swich-es by use of Measuring its Vibration time.
本文提出了一种通过测量小型机械开关抖动时间，对开关故障进行预测的一种方法。
Extracting precisely the vibration signals' characteristics in time and frequency of typical faults is a key to mechanical failure diagnosis.
准确地提取各种典型故障的振动信号的时频域特征是进行机械故障诊断的关键。
Because the mechanical systems work in the long time, affected by the environment and applied load, occurrence of failure is unavoidable.
由于机械系统在长时间的工作过程中，受到环境和载荷的影响，避免不了发生失效。
So it's no wonder that biomedical engineers have had a tough time building a mechanical replica to keep patients with heart failure alive and well.
由于心脏复杂的生理结构，生物医学工程师需要耗费漫长的时间来建造一个机械复制品，使用人工心脏来保持心力衰竭患者良好地活下去。
So it's no wonder that biomedical engineers have had a tough time building a mechanical replica to keep patients with heart failure alive and well.
由于心脏复杂的生理结构，生物医学工程师需要耗费漫长的时间来建造一个机械复制品，使用人工心脏来保持心力衰竭患者良好地活下去。
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