Time_Series_Analysis

信号测量矩阵，如何选取测量矩阵！！！！！！！！！！！(Signal measurement matrix)

脉动风速功率谱估计,并与标准风谱进行对比(Power spectrum estimation of pulsating wind speed and comparison with standard wind spectrum)

说明：  本书详细介绍了格子波尔兹曼法的原理，边界条件，具体模型及数值方法，非常适合学习与应用。(This book introduce the theory of lattice boltzmann methods alone with it's boundary conditions,models and numerical methods. It's really a book for us to learn and use.)

On the support vector machine (SVM) is a relatively quick calculation method, can improve the calculation speed

浙江大学何晓飞写的数据降维基本算法，对初学者很有帮助(Zhejiang university HeXiaoFei wrote down the wiki data algorithm for beginners helpful )

运用格子Boltzmann方法中的伪势模型，模拟胀大平面流道中的两相流动，左边幂律流，右边牛顿流体。得出流动过程中，各个瞬态的结果。(Using lattice Boltzmann method of pseudo potential model to simulate the swell plane channel flow, on the left side of the power-law fluid flow. On the right side of the Newtonian fluid. In the process of flowing, the result of each transient.)

计算多边形(凸凹)面积。 欢迎批评指正(Calculating polygon (convex and concave) area. Welcome criticism)

三次样条插值函数实现 运行后画出曲线图，并得到插值函数表达式。(spline3)

利用5阶WENO有限差分法求解一维Euler方程组，给出求解Sod型激波管问题的详细程序。(The use of 5-order WENO finite difference method for solving one-dimensional Euler equations given type of shock tube problem solving Sod detailed procedures.)

this is fft header file for fast fourier transform. with this file, you can compute frequency spectrum zero to tow pi.