chengxu

本仿真是基于超宽带仿真，包括完整的系统分析和仿真程序。(The simulation is based on ultra-wideband simulation, including complete system analysis and simulation procedures.)

2015年全国大学生数学建模大赛B题高程图处理源代码(college math test of 2015 for B ticket of picture one)

可以得到很精确的幅值、频率、相位估计，是学习PCA特征提取的很好的学习资料，合成孔径雷达（SAR)目标成像仿真，有均匀线阵的CRB曲线，匹配追踪和正交匹配追踪，对信号进行频谱分析及滤波，模式识别中的bayes判别分析算法。 ( You can get a very accurate amplitude, frequency, phase estimation, Is a good learning materials to learn PCA feature extraction, Synthetic Aperture Radar (SAR) imaging simulation target, There ULA CRB curve, Matching Pursuit and orthogonal matching pursuit, The signal spectral analysis and filtering, Pattern Recognition bayes discriminant analysis algorithm. )

谱处理的瀑布图显示，超好的(Spectral processing waterfall diagram shows, super good)

Binary frequency shift keying

用MATLAB实现gold序列的子函数，可在主函数中调用，生成2^n-1长度的gold序列。(use MATLAB to make out gold sequence，which obtained 2^n-1 data.)

pca lda kpca klda lpp matlab 特征降为方法，对于新手比较有用。(pca lda kpca klda lpp matlab code for dimension reduction. these are very useful for new researchers.)

this code helps to find roota of equation by gauss jordan method

换热器的j,f因子是评定其性能的重要参数，通过编程计算能够更加简便快捷(J, f is a factor important to assess the performance parameters of the heat exchanger, through the calculation can be more easily and quickly programmed)

说明：  matlab三角插值算法(matlab triangle interpolation algorithm)