ieee802_15_4.project

matlab-应用程序举例子，实践应用，基础入门，语法基础，编程风格(matlab-application examples, practical applications, introductory, basic syntax, programming style)

signal processing codes very helpful to everone implements important algorithms such as music, beamforming, aic, mdl..

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.)

三维光子晶体布拉格衍射峰寻峰代码，可以得到布拉格衍射峰峰位、半峰宽、峰强的详细信息(Three-dimensional photonic crystal Bragg diffraction peak peak search code Bragg diffraction peak positions, FWHM, peak intensity Details)

利用S函数实现的变步长电导增量法，需要和模型结合(The variable step length conductance increment method realized by S function needs to be combined with the model)

利用matlab 创建用户界面 标准论文版(Using matlab to create a user interface standard paper version)

用matlab语言编的基于粗糙集理论的属性约简程序(matlab roughset)

1.计算梁的刚度矩阵 2.高斯积分 3.T3单元的刚度矩阵(1. Calculate the beam stiffness matrix 2. Gaussian integral 3.T3 element stiffness matrix )

backpropagation for Neural network

实现通信原理上的PCM（脉冲编码调制）调制与解调等 功能(MATLAB PCM)