BOC_AWGN_SIMUL

基于matlab的神经网络训练方法，其中采用不同的隐层，自己编写的，实现多类数据的分类(It ia a code to learn network.)

这是一个接收机中的定时同步程序，可供设计接收端的同学进行参考(This is the timing code of the OFDM receiver.)

产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2； 对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50 ，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列） 改用HDB3码，画出前20个符号对应的波形 改用密勒码，画出前20个符号对应的波形 分别对上述1000个符号的波形进行功率谱估计，画出功率谱 改变信源“0”的概率，观察AMI码的功率谱变化情况(A length of 1000 random binary sequence, and " 0" with a probability of 0.8, " 1" with a probability of 0.2 the AMI code above zero, the pulse width of the symbol width of 50 , the waveform sampling rate Symbol rate 8 times, draw the top 20 of the waveform corresponding to the symbol (the first 20 and gives the source sequence) switch HDB3 code, the first 20 to draw a waveform corresponding to the symbol to switch Miller code, the first 20 symbols correspond to draw The waveforms of the symbol of the waveform 1000 power spectrum estimation, shown to change the source power spectrum " 0" , the probability of observation of the power spectrum of AMI code changes)

利用基于排序的邻域粗糙集算法对具有高维属性的元数据进行属性约简，删减多余的无关属性，避免模型的过拟合，提高模型预测精度和模型运算速度(The algorithm based on the ordered neighborhood rough set is used to reduce the attributes of the high dimension attributes, to eliminate the redundant irrelevant attributes, to avoid the over fitting of the model, and to improve the accuracy of the model prediction and the operation speed of the model)

用MATLAB编写的图像压缩程序和解压程序，带有测试图片。(Written using MATLAB image compression and decompression process programs, with a test image)

说明：  一个有关于MATLAB OPC方面的实例(A Examples of MATLAB OPC)

A primal-dual interior method for solving linearly constrained optimization problems with a convex objective function

1.地球同步轨道卫星，倾角分别为0，30，90度。 (1 satellites in geosynchronous orbit, respectively 0,30,90 degrees inclination.)

电磁场程序设计 ——采用有限差分法计算屏蔽微带传输线的电位及其电容(Electromagnetic field programming- using the finite difference method shielded microstrip transmission line potential and its capacitance)

本程序适用于论文Robust Sparse Coding for Face Recognition(this code is for Robust Sparse Coding for Face Recognition)