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ML gradient computation g = grad_ml(X,x,r) g = gradient vector X = matrix for receiver positions x = 2D position estimate r = TOA measurement vector sigma2 = noise variance vector

Matlab双馈异步风力发电机建模s函数 双馈异步发电机模型一直是风力发电研究的重点，而很多论文的仿真根本就没有建电机模型，这样的仿真是很不准确的，matlab中自带了一个DFIG模型，而这个模型是将发电机、变流器等各个部分都建好了，但对研究发电机的人员来说很不实用。我建的这个模型是分析有功无功解耦时搭建的，用的是s函数，便于修改参数。 (s fuction of pmsg)

这个主要是一些图像配准的实例，为后续的图像融合做准备。(This is mainly because some instances of image registration to prepare for the subsequent image fusion.)

采用FSK调制方式，用于仿真高斯噪声、单音干扰等多种干扰环境下跳频系统性能及误码率(FSK modulation, frequency hopping system performance and bit error rate for the simulation of Gaussian noise, single tone jamming and other interference environment)

Time response of second order system

线性判别分析函数，可直接调用，内含函数详细说明(Linear discriminant analysis functions can be called directly, containing a detailed description of the function)

5个基本的解决VRP问题的MATLAB程序之四(5 basic MATLAB program to solve the problem of VRP 4)

Bifurcation Diagram of Quadratic map

直接扩频通信是很重要的一种通信方式，他与卫星通信、光纤通信一并作为二十一世纪最伟大的发明，牛逼死了！(dsssDSSS is a very important form of communication, and satellite communication, optical fiber communication together as the greatest invention of the twenty-first century, died Niubi!)

恒虚警率的matlab程序,可以设置固定阈值，对于信号分析时候非常有帮助(Constant false alarm rate of matlab program, you can set a fixed threshold for the signal analysis is very helpful)