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单相Boost升压结构的有源功率因数校正电路仿真设计实例(The structure of single-phase Boost Boost Active Power Factor Correction Circuit Simulation Design Example)

这是matlab修改图片的例子，可以调图片的黑白、线条等等(Matlab example to modify the pictures, you can adjust the picture black and white, lines, etc.)

说明：  m-k趋势检验，做时序趋势变化的方法的源代码(M-k trend test, the source code of the method of temporal trend change)

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 )

MATLAB 语言入门资料，高校老师编写(MATLAB language introductory information on the preparation of college teachers)

对一帧图像进行信噪比等因素的检测，比较实用(Image on a detection signal to noise ratio and other factors, more practical)

用matlab实现矩阵的特征值与特征向量的计算(Using matlab to achieve matrix eigenvalue and eigenvector calculation)

matlab的GUI实现一个加法器，同时使用mcc编译成了exe的可执行文件，非常适合初学者(matlab GUI implementation is an adder while using mcc compiled into exe executable file, very suitable for beginners)

图像处理的相关函数，西澳大学Du Huynh教授用matlab实现(Correlation function of image processing, Professor Du Huynh in University of Western Australia achieved with matlab)

attached file contains matlab code