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分析两时间序列之间的超前和之后关系，计算滞时长度，多用于水文气象方面分析研究(Analysis ahead of and after the relationship between the two time series, calculating the lag length, used for the analysis of hydrometeorological)

说明：  非常好的地形改正程序，只需要有点位的经纬度，重力值和高程，内附例子和说明。(Program to compute terrain effects on gravimetric quantities.various modes of terrain effects may be computed)

说明：  微电网能量平衡的基本任务是指在一定的控制策略下，使微电网中的各分布式电源及储能装置的输出功率满足微电网的负荷需求，保证微电网的安全稳定，实现微电网的经济优化运行。(The basic task of micro grid energy balance is to make the output power of each distributed power source and energy storage device in micro grid meet the load demand of micro grid under certain control strategy, ensure the safety and stability of micro grid, and realize the economic and optimal operation of micro grid.)

说明：  基于单位功率因数控制策略的单相有源滤波，去掉非线性负载部分即为单相全控整流。开关器件采用IGBT。(Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier. Switching device IGBT.)

说明：  分形理论计算，粗糙面结合面的法向载荷和法向接触刚度计算(fractal thoetry simulation)

二维脊形光波导的FDTD仿真，能轻易修改波导尺寸和波导介质，，对硅等高折射率的波导求解正确(fdtd simulation of optical waveguide)

Ridge Regression RR 岭回归估计，是非常有用的非线性时间序列算法，在局部多项式预测中非常有用。(Ridge Regression RR ridge regression estimates, it is useful to nonlinear time series algorithms, in Local Polynomial prediction in very useful.)

一维分数福利叶变换的程序及其调用程序，可以应用于二维变换，实现图像的分数傅里叶变换。(Scores of well-being of one-dimensional Fourier transform of the procedures and called procedures, can be applied to two-dimensional transformation, to achieve the image of the fractional Fourier transform.)

weno计算阶跃函数 时间离散采取三阶RK法；使用五阶WENO方法计算函数在[-1，1]内的数值解。(weno calculation step function)

这些代码可以用于产生一系列随机数，可以根据需要使用。(These codes can be used to generate a series of random numbers may be used as needed.)