yichuansuanli

在图像检索中需要利用对图像的形状处理，本代码求7个HU不变矩(In image retrieval need to use the shape of the image processing, the code same moment seeking 7 HU)

matlab 学习技巧，现在把我用的，也就是对我帮助很大的留个文件传上去，希望对大家有用，第四工程数学应用(matlab learning skills, and now I use, which is a great help to me to leave a document passed up, we want to be useful, the fourth application of engineering mathematics)

《MATLAB语言常用算法程序集》一书的源程序，好不容易找到的，奉献给大家！(Book " MATLAB language commonly used algorithm assembly source, hard to find, and dedicated to everyone!)

matlab最小二乘原理下的曲线拟合方法汇总：polyfit函数、“”命令、fminsearch函数、nlinfit函数。附上一个具体的例子：1900-2000年的总人口情况的曲线拟合。(matlab principle of least squares curve fitting method Summary: polyfit function, " " command, fminsearch a function, nlinfit function. Attach a specific example from 1900 to 2000, the total population of the curve fitting.)

读SAC地震数据文件子程序，可以读二进制形式存储的sac文件，以及ASCII存储的asc文件(Read SAC seismic data file subroutine stored in binary form, can be read the sac files, as well as ASCII asc files stored)

扰动观察法实现MPPT的程序，可以加深对MPPT的理解(Achieve MPPT perturbation observation program, you can deepen the understanding of MPPT)

说明：  无线能量传输（Wireless Energy Transfer）仿真(一篇硕士论文源码)(Program for Wireless Energy Transfer for a master's paper)

完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.(Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustness to radio channel impairments. Many research centers in the world have specialized teams working in the optimization of OFDM for countless applications. Here, at the Georgia Institute of Technology, one of such teams is in Dr. M. A. Ingram’s Smart Antenna Research Laboratory (SARL), a part of the Georgia Center for Advanced Telecommunications Technology (GCATT). The purpose of this report is to provide Matlab code to simulate the basic processing involved in the generation and reception of an OFDM signal in a physical channel and to provide a description of each of the steps involved. For this purpose, we shall use, as an example, one of the proposed OFDM signals of the Digital Video Broadcasting (DVB) standard for the European terrestrial digital television (DTV) service.)

matlab code to add a second y-axis to a x-y plot

此MATLAB程序可以快速地实现人脸检测操作。(This MATLAB code performs face detection.)