pcamatlab

用matlab实现的中心加权滤波函数，中心权重为3，滤波窗口为3*3，参数可自行修改，可进一步改成可变参数函数。cwm_test为测试程序。(Weighted with matlab filter function to achieve the center, the center weight of 3, 3* 3 filter window, parameters can modify, change the variable argument function further.)

选手得分，杨辉三角，找x的位置，主对角线c语言(Players score, Yang Hui triangle, find x position, the main diagonal)

说明：  基于filedII的超声成像原理、方法的研究。该程序适合filedII初级学习者。(The ultrasound imaging based filedII principles, methods of research. The program for filedII primary learners.)

此算法先把伤病人员进行特殊对待，在计算出其他人的入院日期，表二的出院日期为 统计的期望值 运用是要改变 数据的初值 和u值（数据录入个数）；(This algorithm first special treat the sick and wounded, in the calculation of other people' s admission date, discharge date in Table II used for the statistical expectation is to change the initial data and u values ​ ​ (the number of data entry) )

it is a toolbox which used for denoising

ELMAN神经网络的系统分类算法，修改可用，运行环境为Matlab。(System classification algorithm, ELMAN neural network to modify the available, operating environment for the Matlab.)

混沌吸引子，用于处理信号，得到非线性的处理(The chaos attractor, for processing signals, nonlinear processing)

水声信道,水声模型 很不错的东西，经典中的经典，希望对大家有帮助-Acoustic model is a good thing, the classic of classics, and they hope to have everyone help(underwater acoustic,Acoustic model is a good thing, the classic of classics, and they hope to have everyone help)

粗糙集理论是一种基于对现实世界进行不确定描述的理论,属性约简是粗糙集理论的核心理论之一。对粗糙集理论进行阐述,并给出基于启发式的知识约简算法,最后结合MATLAB程序实例说明了该算法的可行性与有效性。(Rough set theory is based on the uncertainty of the real world is described in theory, attribute reduction is the core theory of rough set theory one. Elaborate on the rough set theory, and gives the knowledge-based heuristic reduction algorithm, and finally with MATLAB program example illustrates the feasibility and effectiveness of the algorithm.)

JPEG图像压缩和解压MATLAB程序，使用了DCT2、线性量化编码、zigzag变换和游程编码理论(JPEG image compression and decompression MATLAB procedures, using DCT2, linear quantization coding, zigzag transform and run-length coding theory)