Objective to study the early indicator of hand arm vibration damage and avoid irreversible changes of hand arm vibration disease.

目的探讨手传振动对接触者早期职业损害的指标，避免发生手传振动导致的不可逆改变。

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In the test on driving axle, the 2d spectrum entropy of vibration signals is extracted as the feature indicator and is input into the SVDD classifier.

试验中，提取驱动桥振动信号频谱的二维谱熵作为特征指标，输入到SVDD分类器。

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