FFT_1D

attached file contain two algorithm for classification.K_means and K Nearest Neiborhood. and related m_filles in matlab

移动衰落信道，该书是英文版，非常好的一本书，还有matlab源代码。(Mobile fading channel, the book is the English version, a very good book, there are matlab source code.)

说明：  优化计算工具简介，matlab，mathematica，excel的比较(optimization tool, matlab, mathematica, excel comparison)

Root-MUSIC，PM，MUSIC算法的比较，详细介绍了这几种算法的优略，给出了详细的数据分析(Root-MUSIC, PM comparison, MUSIC algorithm, described in detail the advantages of these types of algorithm slightly, gives a detailed analysis of the data)

button and window creation code for new user with different button

ofdm chennel estimation

metlab中的GUI实验内容，详细罗列了实验内容(the experiments of GUI)

利用MATLAB，定位圆形物体的圆心，并得到其坐标。(get the Center position of the circle using matlab)

求取倒频谱系数，可对声音信号进行分析，是一种特征提取方式(Obtaining cepstral coefficients, can the sound signal analysis, feature extraction is a way)

说明：  matlab code for cognitive radio