matlab-FEM

说明：  一个用于CDPD调制解调器参数设置的程序。(a CDPD modem for parameter setting procedure.)

基于bdpca重构的matlab程序，附带图片，适合于表情识别初学者研究学习。(a matlab code of bdpca reconstruction with some expression pictures which is really useful for expression recognition researchers.)

用matlab中的基本数学包实现-PCA，有助于理解PCA原理。 (Using matlab in the realization of the basic mathematical package-PCA, help to understand the principles of PCA.)

非常详细的ofdm系统matlab程序。。。。。。。。(Matlab ofdm system very detailed procedures)

centered fft matlab code completed as a function m-file

潮流准调和分析 Dd.m [DO1 dO1 DK1 dK1 DM2 dM2 DS2 dS2 DM4 dM4 DMS4 dMS4]=Dd(y,D,Y,tm,A1) 计算6个准调和分潮的振幅系数和初相角公式 aM.m [N n aa liu_u liu_v]=aM() 基础系数矩阵，目前D和d值是取用的各段数据的中间时间值，t是以中间为0左右对称取； 视差潮龄A1需要预先得知 同时本程序负责读取原始测流数据，格式为 站位名称 观测数据段数N（即大 中 小潮） 第一段起始时间YYYY MM DD HH mm ss 第一段个数n1 speed direction speed direction ... 第二段起始时间 YYYY MM DD HH mm ss 第二段个数n2 speed direction speed direction ... 第三段起始时间 YYYY MM DD HH mm ss 第三段个数n3 speed direction speed direction ... UVg.m [U V Ug Vg]=UVg() 求调和常数U V和迟角Ug Vg Tuoyuan.m 计算各准调和分潮的椭圆要素W theta K k (The quasi harmonic analysis of tidal current Dd.m [DO1 dO1 DK1 dK1 DM2 dM2 DS2 dS2 DM4 dM4 DMS4 dMS4]=Dd (y, D, Y, TM, A1) calculation of 6 quasi harmonic division of amplitude and initial phase angle formula of the coefficient of tide AM.m [N n AA liu_u liu_v]=aM () foundation coefficient matrix, the current D and D values are the middle time of each section of data taken the value of T is in the middle for symmetric about 0 Age of parallax A1 need to know in advance At the same time, this program is responsible for reading the original flow measurement data, format for Site name The observation data segment number N (that is, in the low tide) The first section of the YYYY MM DD HH mm the starting time of SS The first section number N1 Speed direction Speed direction ... The second section starting time YYYY MM DD HH mm SS The second section number N2 Speed direction Speed direction ... The third section starting time YYYY MM DD HH mm SS The third section number )

地震合成记录（简单地震模型建立程序）+速度分析（改变参数可通用），均可直接运行，直接得到成果图像显示。(The seismic synthetic record+ velocity analysis)

MATLAB 6.5 的教科书，对应上传的6.5代码学习。从基础讲解其功能，语法，运算函数，图像处理，等，经典的学习材料，并且用MATLAB 写的源代码(textbooks corresponds to the 6.5 code upload learning. From the foundation to explain its function, grammar, arithmetic function, image processing, etc., classical learning materials MATLAB and write source code)

清晰易懂的MATLAB学习资料，描述了如何使用MATLAB解决各种实际问题(Clear and understandable information to learn MATLAB, describes how to use MATLAB to solve practical problems)

pmsm model DQ/matrix