HarmonySearssch

利用灰色系统理论GM进行预测的matlab代码，可用。(GM gray system theory to predict the matlab code is available.)

基于1962年Gallager提出的规则LDPC码构造方法实现的生成相应LDPC校验矩阵的相应matlab程序。只需要输入相应的码长，列重，行重即可得到具体的矩阵。(1962 Gallager based on the rules LDPC new method of generating the corresponding LDPC calibration matrix corresponding Matlab procedures. Only need to import the corresponding code length, the series, can be re-specific matrix.)

DWT水印嵌入程序，DWT水印嵌入程序，DWT水印嵌入程序(The DWT watermarking algorithm program)

matlab实现的函数y=sinx的拟合程序，使用bp网络构造的算法，很简单很好用，已经实现结果(matlab a function of the realization of y = sinx fitting procedures, the use of the algorithm bp network structure is very simple and very good, and the results have been achieved)

采用hopfield进行字母识别，可以识别英文字母和数字(Carried out using hopfield letter recognition, can recognize letters and numbers)

PSO算法简单、易实现且参数较少，现已被应用于函数优化、神经网络训练、模糊系统控制以及其它遗传算法的应用领域(PSO algorithm is simple, easy to implement and less parameters, have been applied to function optimization, neural network training, fuzzy system control and other applications of genetic algorithms)

用随机信号作为SAR的发射信号！体现在距离向的分辨率具有明显优势！(SAR emission signal as a random signal. Reflected in the distance to the resolution has obvious advantages.)

The folder contains programs i have written for my project and in college..

图像检索的 matlab代码 方法常见(Select the image bitmap file you wish to search for in the databse Press Select. Press Search.)

快速、精确频率估计算法，噪声情况下语音信号频率估计(Fast, accurate frequency estimation algorithm, the case of speech noise frequency estimation)