circular-column

求解流场二维无粘欧拉方程，中心差分，人工耗散(Solving the flow field in two-dimensional inviscid Euler equation, central difference, artificial dissipation)

FFT和FIR 快速傅里叶变换和FIR滤波器实验程序(Fast Fourier Transform FFT and FIR and FIR filter experimental procedure)

近似熵和互近似熵的matlab代码，用于脑波分析很有用(Approximate entropy and cross approximate entropy matlab code for brain wave analysis useful)

详细画出了时域和频域的相关图，实现了图像的灰度化并进一步用于视频监视控，小波包分析提取振动信号中的特征频率。( Correlation diagram shown in detail the time domain and frequency domain, Achieve a grayscale image and further control for video surveillance, Wavelet packet analysis to extract vibration signal characteristic frequency.)

该function文件可以利用二分法求解方程的数值解，其中有例子(The function files can be used to solve equations numerical solution of the dichotomy, of which examples)

通过对钢轨和车轮的ansys有限元建模，分析在钢轨的接头处的动力学特性。(Rail and wheel ansys finite element modeling, analysis of the dynamics of the rail joints.)

AHP层次分析法计算判断矩阵的最大特征值,使用高阶累积量对MPSK信号进行调制识别，包括四元数的各种计算。( Calculate the maximum eigenvalue judgment matrix of AHP, Using high-order cumulants of MPSK signal modulation recognition, Including quaternion various calculations.)

采用贝叶斯推论的数据融合，将CHAN算法和泰勒算法的结结果经过处理，得到更好的定位结果，已通过测试。 (Bayesian inference using the data fusion, will CHAN Taylor algorithm and the results of algorrithm processed and better positioning of the results of the full source code, has been tested. )

复合材料强度计算的程序，采用与ansys软件集成后计算(Composite material strength calculation procedures, the use of ANSYS software and the integration of computing)

说明：  实现粒子滤波。包含运行模型，测量模型，重采样和归一化(Implement particle filter. Including operation model, measurement model, resampling and normalization)