chap1_1

2D brownian motion , brownian motion is a particle motion wich simulate the random force of particles

利用偏移量插值实现图像的透视变换（运用了双线性变换原理）(Offset interpolation using the image perspective transformation (using the bilinear transformation principle))

first order filtering

谱估计 (1)修正协方差法 (2)多重信号分类（MUSIC）算法 (3)ESPRIT算法 (4)皮萨论科（Pisarenko）谐波分解法 并对各算法进行分析。 解压后即可在MATLAB上运行(spectral estimation (1) the amendment of covariance (2) multiple signal classification (MUSIC) algorithm (3) ESP RIT algorithm (4) On order pizza's from Branch (Pisarenko) harmonic decomposition of each algorithm for analysis. Unpacked can run in MATLAB)

说明：  gps信号的空域处理 包括gps阵列的模拟 空域的出算法(gps gps signal processing includes an array of airspace airspace of the algorithm simulation)

Local feature extraction in fingerprints by complex filtering

滤波程序，用于信号处理中的滤波分析，希望对大家有用(very good，useful)

经验模态分解（EMD），对imf进行分析，再采用类小波阈值去噪。(Empirical Mode Decomposition (EMD), were analyzed for the imf, then using class wavelet thresholding.)

通过MATLAB编程实现自动输出A矩阵，输出图的一棵树，输出图的所有的树(Through MATLAB programming for automatic output A matrix, the output of a tree diagram, the output map all the trees)

关于ofdm_qpsk的一些使用小程序 其中包括关于单载波的一些信道干扰影响的比较等(ofdm-qpsk-mycreatechannel11)