The variations of the ApEn and the correlation dimension were calculated.
计算近似熵与相关维的变化。
First, the calculation of the correlation dimension of the chaotic analysis method is studied.
首先对混沌分析中的关联维计算方法进行了研究。
The results indicated that when the engine gave out the correlation dimension is different from that of working normally.
结果表明，发动机发生故障时的关联维数与其正常工作时的关联维数不同。
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