shiyan

refprop是一款用matlab调用的制冷剂物性查询软件，这里用matlab调用。( refprop is the refrigerant physical properties of the query software, a call using matlab using matlab call. )

一些关于空时编码的编码解码仿真程序，希望可以给大家提供帮助。(Number of space-time coding codec simulation program, I hope you can give to help.)

说明：  这是一本关于matlab7.0的电子图书,按照它学习,很方便大家的.(This is a book about matlab7.0 e-books, according to its study, it is convenient to the people.)

基于matlab编写程序，可以用于基于无线传感器和物联网系统的土木工程结构的健康监测数据采集和分析。(Based on MATLAB programming, can be used in health monitoring data acquisition and analysis of civil engineering structure of wireless sensor and the Internet of things based on system..)

遗传算法的电机优化程序，个人专门编写的，对于初学者来说，可以借鉴(function youhua1() 遗传算法 n-- 种群规模 ger-- 迭代次数 pc--- 交叉概率 pm-- 变异概率 v-- 初始种群（规模为n） f-- 目标函数值 fit-- 适应度向量 vx-- 最优适应度值向量 vmfit-- 平均适应度值向量 clear all close all clc 清屏 tic 计时器开始计时 n=20 ger=100 pc=0.9 pm=0.1 初始化参数 生成初始种群 v=init_population(n,44) 得到初始种群，22串长，生成20*22的0-1矩阵 [N,L]=size(v) 得到初始规模行，列 disp(sprintf( Number of generations: d ,ger)) disp(sprintf( Population size: d ,N)) disp(sprintf( Crossover probability: .3f ,pc)) disp(sprintf( Mutation probability: .3f ,pm)) sprintf可以控制输出格式 待优化问题)

心电图分析中HRV的各种计算方法，适用于心电图研究。(various calculation methods of HRV for Electrocardiogram (ecg)analysis which are applicable in the study of ecg.)

dipum_images_ch05 matlab 编程实例(dipum_images_ch05 matlab Programming Example)

MATPOWER软件包的最新版本，包含连续潮流（CPF）和状态估计（SE），对研究电力系统很有帮助。(MATPOWER is a package of Matlab M-files for solving power flow and optimal power flow problems. It is intended as a simulation tool for researchers and educators that is easy to use and modify. MATPOWER is designed to give the best performance possible while keeping the code simple to understand and modify. )

说明：  WGS84到BJ54坐标转换的四参数模型，可以求出四参数和转换坐标(WGS84 coordinate transformation to the BJ54 The four parameter model, four parameters can be calculated and converted coordinates)

前向空间平滑MUSIC估计，即用前向空间平滑方法实现相干信号的DOA估计(Forward space smoothing MUSIC estimation, spatial smoothing method to achieve that with forward coherent signal DOA estimation)