feature_selection

Gps geo functions include M files about delay model

新基于邻域粗糙集的前向贪心的属性约简算法(New neighborhood-based forward greedy rough set attribute reduction algorithm)

计算两个离散变量x和y的条件熵z = H（x | y）。 with Input：两个相同长度的整数向量 有益于学习(Compute conditional entropy z=H(x|y) of two discrete variables x and y. with Input: of two integer vector of the same length good for learning)

protel元件库，有许多常用与不多见的元件的原理图(Protel libraries, there are many common and rare components of the schematic diagram)

1.地球同步轨道卫星，倾角分别为0，30，90度。 (1 satellites in geosynchronous orbit, respectively 0,30,90 degrees inclination.)

用matlab来实现的衍射模拟实验，便于教学中立体的观看实验结果，这是很好的(using Matlab to achieve the diffraction experiments to facilitate the teaching of stereo viewing the experimental results, This is a good)

语音、图像等相关处理，如加躁去噪，频谱、幅度图，二值灰度图等(Voice plus noise denoising, image plus noise denoising, and image reversal, two values ​ ​ of other treatment)

关于matlab的图像处理的7个源代码，均自己编写并已经应用到已经开发的软件中，如有其他相关功能代码的需要，可联系本人(Matlab image processing on the 7 source code, all I have written and have been applied to the software have been developed in other related functional code if necessary, contact me)

说明：  主要包括一些空是编码的代码，对于那些正在研究空是编码的同志，很有用。(Including some of the main space is encoded code, for those who are studying space is encoded comrades, very useful.)

EKF_for_1_Div_UnLine_System 老师写的程序 EKF 效果很好 对EKF的理解有帮助(EKF_for_1_Div_UnLine_System Teachers write the program EKF effect good understanding of the EKF)