FEC

matlab工具箱函数汇总:统计工具箱,优化工具箱,样条工具箱,偏微分方程数值解工具箱(matlab toolbox function summary: Statistics Toolbox, Optimization Toolbox, Spline Toolbox, the numerical solution of partial differential equations Toolbox)

matlab软件下常用的函数与常用指令，在使用matlab时可用于查询相关函数与指令(matlab software used under the commonly used functions and commands can be used when using the matlab functions and commands relevant to a query)

M_MAP教你如何用MATLAB绘制海洋、大气类的图。可以使用各种投影，添加各种精度的岸线，绘制的图清晰美观。(M_MAP teach you how to use MATLAB mapping ocean, the atmosphere kind of map. Can use a variety of projection, the line to add a variety of precision, drawing a clear appearance of the map.)

说明：  此程序用匹配算法，可以对有重叠部分的全息图进行拼接，并用中值滤波提高亮度(Matching algorithm used in this program, you can have overlapping parts of the splicing graph, and use median filter to improve the brightness)

三种PN序列自相关性分析，和循环移位互相关分析gold，小m序列，walsh码(Three kinds of PN sequence from the correlation analysis, and rotate the cross-correlation analysis, contants gold, small m sequence, walsh code)

matlab function that is written in matlabbb

SVM 2D Classification Comparing Gaussian and polynomial Kernels (SVM 2D Classification Comparing Gaussian and polynomial Kernels)

绘制庞加莱截面图 在相空间中适当（要有利于观察系统的运动特征和变化，如截面不能与轨线相切，更不能包含轨线）选取一截面，在此截面上某一对共轭变量如x1和x.1取固定值，称此截面为Poincare截面，相空间的连续轨迹与Poincare截面的交点成为截点。(Poincare mapping sections in the phase space properly (should be beneficial to observe the system and changes in movement characteristics, such as the cross-section can not be tangent trajectory, but also can not contain rail line) to select a cross-section, in this section for a total of conjugate variables, such as x1 and X.1 take a fixed value, call this cross-section for the Poincare section, the phase space of the continuous trajectory of the point of intersection with the Poincare cross-section to become cut-off point.)

一篇介绍ARMA时间序列模型定阶方法的文章，供大家参考。(a paper about order determination method for ARMA time series model .)

说明：  6. 在三条径的瑞利信道中，对于OFDM： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。 (。 6 In the three path Rayleigh channel for OFDM: (1) Please design a specific guide-assisted channel estimation method, the Simulink simulation, BPSK modulation measuring the bit error rate performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve. (2) set the frequency has been synchronized, the design of a specific OFDM cyclic prefix used for time synchronization method, the Simulink simulation, draw-bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, the design of a specific OFDM cyclic prefix used for frequency synchronization method, the Simulink simulation, draw-bit signal to noise ratio and frequency synchronization error curves.)