PS2

卡尔曼数据滤波,将文本数据进行很好的滤波，实践有效……………………(Kalman filter)

一个关机恶搞程序，仅供娱乐，其实很简单就用了system函数(A spoof shutdown procedures, for entertainment purposes only, is actually very simple to use system functions)

基于contourlet数字水印嵌入程序，希望对大家有帮助(Digital watermark embedding process based on Contourlet)

利用matlab写成的窄带噪声发生，处理信号的时频分析，窗函数法设计一个数字带通FIR滤波器。( Using matlab written narrowband noise occurs, When processing a signal frequency analysis, A window function design FIR digital band-pass filter.)

语音处理中端点检测的matlab例程。含有测试程序和语音文件。(Endpoint detection of speech processing in matlab routines. Contain test procedures and voice files.)

计算机视觉，实现图像分割的Matlab源程序(Computer vision, image segmentation to achieve the Matlab source)

rcpa算法matlab程序 有意者下吧(rcpa algorithm Matlab procedures Interested parties are you)

利用沈左右算子及直方图信息，提取目标区域的纹理特征。(Shen and histogram information about operator is employed to extract texture features of the target area )

clear all clc t=0:1/1000:10-1/1000 s=sin(2*pi*t) snr=20 s_power=var(s) varience of s linear_snr=10^(snr/10) factor=sqrt(s_power/linear_snr) noise=randn(1,length(s))*factor x=s+noise Ó É SNR¼ Æ Ë ã Ë æ » úÔ ë É ù x1=noise Ô ë É ùÔ ´ Ê ä È ë x2=noise w1=0 È ¨Ï µ Ê ý ³ õ Ö µ w2=0 e=zeros(1,length(x)) y=0 u=0.05 for i=1:10000 LMSË ã ·¨ y(i)=w1*x1(i)+w2*x2(i) e(i)=x(i)-y(i) w1=w1+u*e(i)*x1(i) w2=w2+u*e(i)*x2(i) end figure(1) subplot(4,1,1)

用matlab实现对语音信号的短时分析，包括清音和浊音的判决，基音周期的估计，实验报告。(to realize the analysis of short time of speech signal by Matlab, including the judgement of surd and sonant, the estimate of the pitch and experiment report.)