task2

Function used by PSOLA speech modification technique. Finds exact point of pitch pulses in speech.

Matlab code to load image, separate image component and determine PCA

说明：  本书对以Matlab为基础，从数字信号处理及图像处理的原理和算法入手，着重阐述用Matlab实现数字信号处理及图像处理的重要算法。(Book, Matlab-based, from digital signal processing and image processing theory and algorithms to start, focusing on the digital signal processing using Matlab and the importance of image processing algorithms.)

斯坦福ply格式文件读取显示程序，用matlab写的，测试可用(Stanford ply format file to read the display program, written with matlab, the test can be used)

说明：  matlab二值图像的数学形态学变换函数(Matlab binary image of morphologic transform function)

层次分析法模型，matlab语言编写，实现因子的选择(Analytic hierarchy process (ahp) model)

this is the algorithm that use to array processing too produce beam pattern

离散系统的数字PID控制，可以跟踪阶跃信号、正弦信号、方波信号，根据S参数选择。(Discrete digital PID control system can track a step signal, sine, square wave signal, according to S parameters.)

关于matlab的矩阵数据结构部分，可以更深入掌握，和符号计算相衔接(About matlab matrix data structure part, you can have a better understanding, and symbolic computation convergence)

用于独立成分分析的固定点算法工具包，内有详细的帮助文件,并附有参考文献(Independent component analysis for fixed-point algorithms kit, with detailed help files)