随机调制信号下的模拟ppm，一种噪声辅助数据分析方法,采用累计贡献率的方法。- Random ppm modulated analog signal under A noise auxiliary data analysis method, The method of cumulative contribution rat.

快速扩展随机生成树算法，插值与拟合的matlab实现，独立成分分析算法降低原始数据噪声。- Rapid expansion of random spanning tree algorithm, Interpolation and fitting matlab implementation, Independent component analysis algorithm reduces the raw data noise.

一种噪声辅助数据分析方法,二维声子晶体FDTD方法计算禁带宽度的例子,随机调制信号下的模拟ppm。- A noise auxiliary data analysis method, Dimensional phononic crystals FDTD method calculation examples band gap, Random ppm modulated analog signal unde.