中文说明：
基于消除趋势项法的振动信号预处理研究.在MATLAB环境中对基于消除趋势项法的振动信号预处理的实例仿真分析。有 最小二乘法去趋势；正弦信号去趋势和滑动平均法等。
English Description：
Based on detrending method of vibration signal preprocessing studies. In the MATLAB environment to eliminate the tendency item method based vibration signal preprocessing an instance of the simulation analysis.Have the least squares method to trend;Sine signal to trends and moving average method, etc.