STFT

北大竞赛题,非常好的。好不容易才找到的东东！(North title race, very good. Hard to find the NEE!)

fGenerateNavigationData.m C_A_code_generator.m GPSsignal.m 依次产生导航电文,C/A码,GPS最终数据(fGenerateNavigationData.m C_A_code_generator.m GPSsignal.m in turn generate the navigation message, C/A code, GPS final data)

说明：  编写一个程序，对输入的图像进行哈夫曼编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。 Sobel算子和拉普拉斯算子进行锐化，并比较结果。(Write a program to image the input Huffman coding, the entropy of the original image displayed, encoded, the average code length, and be able to reconstruct the image according to encoding. Sobel operator and Laplacian sharpening, and compare the results.)

用四元十字阵做被动声定位算法设计，现在是用matlab神经网络工具箱构建RBF神经网络然后仿真显示图形(With a four-element Array do passive acoustic localization algorithm design, now using matlab neural network toolbox and then build on RBF neural network simulation display graphics)

用独立分量分析方法实现地震转换波与多次反射波分离(Using independent component analysis method to achieve multiple seismic converted wave and the reflected wave separation)

考虑运动向量平滑的块匹配运动估计方法，matlab代码(Consider the motion vector smoothing method of block matching motion estimation, matlab code)

matlab 一些作图划线的基本知识，并且包含一些矩阵运算，方程的求解，附带若干个例子(Basic knowledge of MATLAB, some mapping crossed, and contains a number of matrix calculation, equations, with several examples)

说明：  matlab下几个三角函数实现的对比 。(matlab implementation of the next several trigonometric functions compared)

利用modelica语言编写的滤波器的模型，实现滤波器的仿真功能。(Using a filter model modelica language to achieve filter simulation capabilities)

basic particle swarm algorithm 2011 version