Nonlinear_leastsquares_optimization

Ｍ＝４正交信号时数字通信系统进行蒙特卡罗仿真程序，当均值分别等于０，０.１，１.０，２．０时完成１００００个比特的仿真并求出误比特概率。绘出理论误码率和蒙特拉罗仿真的差错率并进行比较这俩个结果，并绘出每个均值情况下判决器的１０００个接受信噪比抽样(M = 4 orthogonal signals in digital communication systems Monte Carlo simulation program, when the mean, respectively, equivalent to 10,000 completed 0,0.1,1.0,2.0 simulation bit and bit error probability are obtained. Mapping theory and蒙特拉罗BER simulation这俩error rate and compare results, and the mean circumstances of each mapped)

卡方检验用来检验分布的拟合性 比如正太分布对数正太分布高斯分布瑞利分布，韦伯分布等里面包含了对数据的检测以及统计的原理和方法(The chi-square test used to test the The chi-square test used to test the distribution fitting, such as too the distribution of the lognormal distribution is too Gauss points Burui Li distribution, Weibull distribution, which contains the principles and methods of detection and statistical data)

Joannopoulos "Photonic crystals. Molding the flow of light" - one of the best books on photonic crystals(Joannopoulos "Photonic crystals. Molding the flow of light"- one of the best books on photonic crystals)

2-fsk调制解调，采用相干解调，画出调制前调制后，加噪声，解调的函数图(modulated and demodulated by 2-fsk)

数字控制系统是一种以数字计算机为控制器去控制具有连续工作状态的被控对象的闭环控制系统。因此，数字控制系统包括工作于离散状态下的数字计算机和工作于连续状态下的被控对象两大部分。我的课题的数字部分（PID）仿真由相应的离散传函实现，运用数字PID对被控对象实行准确控制。通过调节比例（P）、积分（I）、微分（D），使对象的输出达到预期的效果。(Digital control system is a kind of digital computer for the controller to control a continuous state of the object and closed loop control system. Therefore, the digital control system, including work on the discrete state of the digital computer and work in a continuous state of the plant is two parts. My topic of digital section (PID) simulation by the realization of the corresponding discrete transfer function using the digital PID control of the plant is implemented accurately. By adjusting the ratio of (P), integral (I), differential (D), so that the output of the object to achieve the desired results.)

16QAM is good use for students

sieata能带画图脚本，用于石墨烯的项目，画能带，态密度，计算带系(sieata band drawing script for graphene projects, drawing energy band, density of states, calculated with the Department of)

matlab下进行可将logo加到照片上(matlab under the logo can be added to the photo)

给出一个两个参数的matlab遗传算法的仿真程序,有一定的科研参考价值.值得一看.(wo have given a two algorithm matlab genetic algorithm,it can be useted by researchers.)

高阶统计量盲解卷积，非常老的算法，值得改进(HOS for blind deconvolution)