statistical symbol

用法例句

In this research a method based on chaotic (oscillator) and symbol sequence statistics was presented to diagnose rolling bearings fault, using the character of chaotic oscillator being sensitive to weak periodic signal.

针对滚动轴承故障的特征信号处于较低频带内、容易被噪声淹没、难以检测的问题,提出了基于混沌和符号序列统计的滚动轴承故障诊断方法。