一种噪声辅助数据分析方法,旋转机械二维全息谱计算，非归零型差分相位调制信号建模与仿真分析 ，包括面积、周长、矩形度、伸长度，车牌识别定位程序的部分功能，可实现对二维数据的聚类，是机器学习的例程，matlab开发工具箱中的支持向量机。- A noise auxiliary data analysis method, Rotating machinery 2-d holographic spectrum calculation, NRZ type differential phase modulation signal modeling and simulation analysis, Including the area, perimeter, rectangular, elongation, Part of the license plate recognition locator feature, Can realize the two-dimensional data clustering, Machine learning routines, matlab development toolbox support vector machine.