Google_Code_SISO

matlab神经网络工具箱很好的东东分享下(matlab neural network toolbox, under a good Dongdong Share)

用七元线形天线阵（ULA） 已知：信号中心波长为2,天线阵元的间距为1米,快拍数为2000，空中有四个 源信号,假设它们的频率：0.015, 0.05, 0.02, 0.035 四个源信号的方向分别为：pi/4 pi/3 pi/6 3pi/4 求： 1）在不加入噪声的情况下,画出传统波束形成法、Bartlett波束 形成法、Capon波束形成法的空间谱图； 2）在加入高斯白噪声的情况下,假设信噪比为10dB，画出传统波束 形成法、Bartlett波束形成法、Capon波束形成法的空间谱图。(7-element linear antenna array (ULA) Known: the signal center wavelength is 2, the antenna element spacing of 1 m, the number of snapshots for 2000, the air there are four Source signal, assuming that their frequency: 0.015, 0.05, 0.02, 0.035 The direction of the four source signals: pi/4 pi/3 pi/6 3pi/4 Requirements: 1) not to join the noise, to draw the traditional beam-forming method, Bartlett, beam Formation method, Capon beamforming method of the space spectrum 2) by adding Gaussian white noise, assuming that the SNR is 10dB, to draw the traditional beam Formation method, Bartlett, beamforming, Capon beamforming method of the space spectrum.)

利用最小距离分类器分类3种尾植物的完整实现代码(Minimum distance classifier using three kinds of classification of plants complete the end of the implementation code)

利用db4小波对仿真信号进行5层分解，并运用各种阈值方法对其进行降噪(DB4 wavelet is used to decompose the 5 layer of the simulation signals, and the noise reduction is carried out by using a variety of threshold methods.)

数字信号处理报告MATLAB产生和图形显示实验报告。(Digital Signal Processing MATLAB report generation and graphical display experimental report.)

进行PCA分解，由迭代算法，算出得分向量和负荷向量(something about PCA)

纠错编码，信道编码，奇偶校验,系统码非系统码(Error correction encoding, channel encoding, parity)

ITU-R国际降雨衰减预测模型之等效雨高的求法 (ITU-R International rain attenuation prediction model of rain rate and method, the simulation model)

说明：  分别为AWGN信道模型下BPSK调制的程序；AWGN信道模型下BPSK调制LDPC编码的程序；AWGN信道模型下BPSK调制、采用具有不同列重的构造矩阵进行LDPC编码的程序；AWGN信道模型下BPSK调制、采用不同的迭代译码次数进行LDPC编码的程序。(LDPC coding program for AWGN channel)

说明：  freq modulation code with demodulation