junzhi

buttreworth filters

声音的频谱分析 读取文件，分析频谱，画图(Read the file of the sound spectrum analysis, analysis of the spectrum, drawing)

colour file decoding method

用于智能天线系统中的移动目标跟踪算法中的另一种MUSIC算法的MATLAB仿真图谱(intelligent antenna system for the mobile target tracking algorithms another MUSIC algorithm MATLAB Simulation B map)

MATLAB的典型例题源程序WORD版，由浅入深，从入门到精通，从菜鸟到高手的必由之路！(Typical example of the MATLAB the source WORD Edition, easy-to-digest, from the entry to the master, the only way from rookie to master!)

2 M-files are being uploaded for image Partitioning & image averaging. Some example images are attached. These Programme also Calculate time taken in Partitioning & image averaging.

格兰杰因果检验的matlab程序，很好用(Granger causality test matlab)

Boundary element method function [index,g,h,a,unb,x,u,un,uin]=bemlabecom(n,c,index,in,cin) [index,g,h,a,unb,x,u,un,uin]=bemlabecom(16,[0 0 0.25 0 0.5 0 0.75 0 1 0 1 0.25 1 0.5 1 0.75 1 1 0.75 1 0.5 1 0.25 1 0 1 0 0.75 0 0.5 0 0.25 0 0],[1 0 1 0 1 0 1 0 0 200 0 200 0 200 0 200 1 0 1 0 1 0 1 0 0 100 0 100 0 100 0 100],9,[0.25 0.25 0.50 0.25 0.75 0.25 0.25 0.50 0.50 0.50 0.75 0.50 0.25 0.75 0.50 0.75 0.75 0.75]) in bemlabecom2 we change a & unb to : a1 a2,unb1 unb2 n=number of nodes=number of element=number of point c=matrix that determine the coordinate of point m=coordinate of nodes in global coordinates index: determine u or un for boundary nodes in:number of internal nodes cin: coordinate of internal nodes

R. Lin and A.P. Petropulu, 揂 New Wireless Medium Access Protocol Based On Cooperation,擨EEE Trans. on Signal Processing, vol. 53, no. 12, pp. 4675-4684, December 2005. (MATLAB code).

两种噪声下，卡尔曼滤波的100次Monte Carlo仿真验证，画出了每时刻卡尔曼预测均方根误差和估计均方根误差的Monte Carlo变化曲线(with uniform and Gaussian noise respectively,through 100 Monte Carlo simulations,output thecurves of sampled state prediction variances and estimate variances of kalman filter in each element vs.time step.)