Sequence_of_symbol_in_AWGN_and_AWGN_Raylegh_chann

该程序利用主成分分析法完成了对人脸的识别操作，程序干练，操作容易。(It uses principal component analysis completed a face recognition operation, the program able, easy to use.)

chp5_ex1用向量式有限元求解二维框架在斜坡荷载作用下的静力解。 chp6_ex1_1用向量式有限元求解大变位刚性杆件结构的位移。 chp6_ex1_2用向量式有限元求解大变位柔性杆件结构的位移。 chp7_ex1用向量式有限元求解机构的运动。 chp7_ex3a用向量式有限元求解杆件弹塑性变形。(chp5_ex1 framework for solving the two-dimensional finite element vector used in the loading ramp of static solution. chp6_ex1_1 vector finite element displacement by solving LARGE rigid rod structure. chp6_ex1_2 solving LARGE flexible rod displacement vector finite element structural use. chp7_ex1 movement mechanism for solving finite element vector used. chp7_ex3a solving rod elastic-plastic deformation with finite element vector.)

附件是齿轮箱故障数据，txt格式文件，pdf格式的齿轮箱故障数据介绍，和word关于齿轮箱故障的知识详解，对研究旋转机械故障诊断的朋友有帮助(the attachment is the fault data of gear box in txt documents, and data instruction in pdf document. Also, the detailed intruction of gear box is in word documents.)

说明：  matlab信道模型，用于模拟多用户下用户间干扰的模型。(Matlab channel model for the simulation of multi-user interference between users under the model.)

matlab作为专业软件，在此上传其七专业讲座，希望能对大家有帮助(matlab as a professional software, in this upload its seven professional seminars, I hope you can help)

带通滤波器的matlab代码，根据自选频率进行滤波(bandpass filter basing matlab with slected frequency by user)

心电信号处理,心电信号加白噪声，低通滤波，频域分析及显示(ECG signal processing, filtering, frequency domain analysis and display)

这是关于PCA主成分分析降维，文件夹里有.mat格式的数据文件，里面数据可供测试PCA降维使用。(This is about PCA principal component analysis dimension reduction, folder. Mat data file format, data available for test use PCA dimensionality reduction.)

This code is a matlab neural network using the polynomial.

使用最小二乘法平差，进行圆柱拟合，两次平差可以控制初始值尽量使结果收敛(application of TSL to fit for cylinder, control of start data to get a good result)