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说明：  利用格子Boltzmann方法模拟圆柱绕流过程，看点维数的变化，和对LBM的应用(LBM simulate the Channel flow past a cylinderical obstacle)

这是一组计算模拟一维电磁波在各种介质中的传播的matlab程序，可以帮助你了解并且掌握fdtd在不同介质中是如何设置的。(This is a set of computational simulation of one-dimensional electromagnetic wave in a variety of media Matlab procedures, can help you understand and master the FDTD in different media is how to set.)

duda 模式分类 第三章 上机练习代码（原创，不是网内流传的官方工具箱，比较全，大部分已调试）对应课后题的题号(Pattern Classification 2nd CH3 code practice )

demonstration of GMM-UBM!

Matlab实用程序 85-100是：数值分析篇(Matlab Utilities)

说明：  求解最短路问题，求解图论中任意两点间最短距离(Solving the Shortest Path Problem)

LDPC编码调制系统，QPSK编码调制方式，研究生毕业论文源代码(LDPC coded modulation system, QPSK modulation coding, graduate thesis source code)

仿真分析相控阵雷达中二维面阵的雷达方向图以及一些其他因素对方向图的影响，以及随机误差和量化误差的影响(Simulation analysis of radar direction Fig. 2D phased array radar array and some other factors on the direction map, and the effect of random error and quantization error)

去斜率（strech）参考信号与回波信号混频后得到中频输出信号S(t)=Aexp(j*2*pi*f0*t+phase) 其中f0与回波延时的关系为： f0=k*delay_t K为线性调频斜率，delay_t为回波延时 将s(t)采样，FFT变换即可得到目标距离与频谱的关系。 Strech 信号测距 输入混频后的中频信号（图一），经采样及FFT变换得到频谱（图二） 再根据频谱与距离的关系式R=Tcf/2B显示出距离(图三) (Go slope (strech) obtained after the reference signal and the echo signal mixer IF output signal S (t) = Aexp (j* 2* pi* f0* t+phase) f0 and echo delay relationship: f0 = k* delay_t K chirp slope, delay_t the echo delay sampling s (t), the FFT transform to the target distance spectrum of relations. Strech signal ranging input mixer IF signal (Figure 1), sampling and FFT transform spectrum (Figure 2) according the the spectrum distance relationship R = Tcf/2B shows the distance (Figure 3))

code can used for determining correlation value to analyze rho based on s11, s12, s21, s22.