dft

说明：  Matlab 编程设计，适合初学者的书籍(Matlab program)

pid算法原理解释，对初入学习PID的同学有很大帮助(pid algorithm principle explanation for entering the learning of the students are very helpful PID)

Tarel的图像快速去雾算法，可以实现灰度和彩色图像的去雾，将文件中的图像读取路径进行修改即可。(Tarel fast algorithm of image dehazing, can be used to both gray and color images to fog.please replace image read path )

binary genetic algorithm

能够实现LL(1)预测分析过程的源码，有测试用例(To achieve LL (1) Prediction of the process of source code, there are test cases)

Frequently used algorithms for numerical analysis and signal processing(Frequently used for numerical algorithms analysis and signal processing)

地震数字处理的基本程序，其中包括滤波褶积，fft，dft，自相关互相关，以及偏移等，对地质学人员比较有用(Digital processing seismic basic procedures, including convolution filter, fft, dft, autocorrelation cross correlation, and offset, etc., more useful for people geology)

matlab时频分析数据包，用于信号分析处理(matlab time-frequency analysis data packets for signal analysis and processing)

图像隐藏和数字水印。采用在空域隐藏，在每个象素的bit位的低位藏入图片。采用在DCT系数上附加信息的方法进行。(image hiding and digital watermarking. Hidden in the airspace used in each pixel of the low bit-into the possession of photographs. Using the DCT coefficient Additional information on the methods.)

采用数据拟合法进行的高斯白噪声信道下的信噪比估计，程序中有经典summer法以及本人自己拟合的二阶和三阶参数，适用于不同的信噪比范围，望大家一起交流(By data fitting of the Gauss white noise channel SNR estimation, the program in the classic summer method as well as my own fitting of the two order and three order parameters, applicable to different SNR range, hope everybody exchanges together)