crear_factura

matlab的许多基础小程序，针对matlab2010a及以上版本，是学习matlab入门的参考资料(matlab many basic applet for matlab2010a and above, and reference materials to learn matlab entry)

this file contains the medical image processing. Here, I have to find the preprocessing methods. In this implementation i have to add the salt and pepper noise.

信号处理,进行信号检测与处理，通过设定threshold来进行信号检测的可信度调整(Credibility adjustment signal processing, signal detection and processing, by setting threshold for signal detection)

实现半不变量法概率潮流计算，并与蒙特卡洛模拟法作比较(Probabilistic power flow based on cumulants, compared with monte-carlo simulink method)

简单的蒙特卡洛算法，设计拟合随机数，通过系类操作完成部分计算(A simple Monte Carlo algorithm, designed to fit a random number, through the Department of the completion of part of the calculation of class action)

matlab数值计算，包括解方程，求极值，微分，统计，拟合和插值等函数。(matlab numerical calculation, including the solution of equations, and extreme, differential, statistics, such as function fitting and interpolation.)

matlab程序，四种不同的信号，在4个区域显示(matlab program, four different signals, in the four regions showed)

说明：  详细说明了pi/4 DQPSK 调制、解调，RRC 匹配滤波器设计， BER 蒙特卡洛仿真，rayleigh衰落下的系统仿真。 文档中附有各个模块的Matlab code。(Detailed description of pi/4 DQPSK modulation, demodulation, RRC matched filter design, BER Monte Carlo simulation, rayleigh fading of system simulation. Document attached to each module of the Matlab code.)

移动通信中广泛存在的多径效应的相关程序代码。(The multipath of mobile communication)

matlab程序实现 人工鱼群算法对测试函数进行测试 包里还包含测试函数的程序(AFSA matlab program to test the function of the test package also includes a program to test the function)