particlefilterlearn

Nelder-Mead SIMPS = Strategy Simplex Constrained minimizer, based on iterations of full-dimensional simplex calls (Nelder-Mead direct search method), each time followed by a series of two-dimensional simplex calls (local improvements by subspaces).

对输入的语音信号进行分帧处理，低通滤波，中心削波，求自相关函数最后得到基音轨迹。(Speech input signal framing processing, low-pass filtering, center clipping, seeking autocorrelation function finally got the pitch trajectory.)

PROGRam matlab sim platform studies

数字图像隐藏技术的仿真，针对一个图片现将其转换为灰白图像，然后将要隐藏的图片加入样本中，加入椒盐噪声攻击，最后将图片还原。(Digital image information hiding technology simulation, for a picture now converted to gray image, will then be hidden image is added to the sample, adding salt and pepper noise attack, finally will restore the picture.)

说明：  进行回波积累，我们可以进行相参积累和非相参积累，怎么来实现，还有如何进行比较？(Accumulation of the echo, we can be coherent and non-coherent integration, how to achieve, and how to compare?)

function [a,b,err] = shanks(x,p,q) SHANKS Model a signal using Shanks method ---- Usage: [a,b,err] = shanks(x,p,q) The sequence x is modeled as the unit sample response of a filter having a system function of the form H(z) = B(z)/A(z) The polynomials B(z) and A(z) are formed from the vectors b=[b(0), b(1), ... b(q)] a=[1 , a(1), ... a(p)] The input q defines the number of zeros in the model and p defines the number of poles. The modeling error is returned in err.

小波分析理论与MATALB R2007 实现第十二章演示代码(Wavelet analysis theory and MATALB R2007 A Chapter 12 demo code)

西北工业大学matlab学习课件，帮助需要学习matlab的同学循序渐进的掌握这门编程技术(Northwestern Polytechnical University, matlab learning courseware to help students to learn matlab step by step to master this programming)

Implements a data-driven noise tracking algorithm suitable for nonstationary noise sources.

this code can embedding a watermark in an image