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一个关于正弦信号的画图程序，用着很简练，方便(A sinusoidal signal on the Paint program, with a very concise and convenient)

说明：  维纳滤波后全局阈值，将图像二值化，计算油污面积(Wiener filter after the global threshold, binary image calculated oil area)

arma模型的功率谱估计代码。还包括系统的极零点分析等完整软件包。(arma model of the power spectrum estimation code. The system also includes a very complete analysis of 0.1 package.)

以典型汽车为例，实现汽车周围的气动环境数值模拟(Example of the typical automobile to achieve the aerodynamic environment around the vehicle simulation)

说明：  建立一数据文件magic5.dat，用于存放5阶魔方阵。(The establishment of a data file magic5.dat, used to store 5-order magic square.)

LM算法的MATLAB实现。Levenberg-Marquardt算法是最优化算法中的一种。最优化是寻找使得函数值最小的参数向量。(LM algorithm in MATLAB. Levenberg-Marquardt algorithm is an optimization algorithm. Optimization is to find the minimum value makes the function parameter vector.)

this file is simulation of OFDM

通过matlab编程，采用纤维法实现简单矩形截面的弯矩-曲率关系分析，附件为分析源代码。(By matlab programming, using a simple method to achieve a rectangular cross section fiber moment- curvature relationship analysis, attachment to analyze the source code.)

AutoCAD结合MATLAB实现公式精确绘制.(MATLAB to achieve precise formula combines AutoCAD drawing.)

In this i attached matlab code for image retrieval function by finding the distance between training and testing features and arrange it in according to ascending order.