nnbp_pid

中频70M，30M带宽LFM信号，采样率为102.4M，数字下变频后，还进行了三倍抽取，最后还得到I，Q两路信号 (IF 70M, 30M bandwidth LFM signal, the sampling rate of 102.4M, digital down conversion, the samples were carried out three times, the last also I, Q two-way signal)

Probability distribution function of standard distribution codes for communication engineering students to understand the concept of statistical analysis.

matlab 计算带驱动力偏微分方程poincare map，方程为dy(1)=y(2) dy(2)=-k*y(2)-y(1)^3+B*cos(t) (Matlab calculation of belt driving force of partial differential equation and Poincare map equation, Dy (1) =y (2) Dy (2) =-k*y (2)-y (1) ^3+B*cos (t) )

kCCA is hybrid version of kernel classifier and canonical correlation analysis.

Amplitude Demodulation

RS-485双机通信 RS-485双机通信-(experimental three RS-485-machine communication experiment three RS-485- Communication experiment three RS-485-machine comm unication)

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.)

我国数字电视地面国标以及手机电视国标都采用了LDPC编码，本程序是LDPC的Matlab便解码实现，程序中附有说明，结构简洁，是了解LDPC原理和应用的最佳实例。(China Digital Television Terrestrial GB GB, as well as mobile TV using the LDPC codes, this procedure is LDPC decoding of Matlab will be realized, accompanied by a process of structural simplicity, is to understand the principle and application of LDPC best examples.)

Data Mining, for calculating Correlation, Euclidean distance, and cosine similarity, between objects and attributes.

一个简单的matlabGUI界面，设计的一个日历，有时间和星期的简单源码(The a simple matlabGUI interface, design a calendar, a simple source of the time and day of the week)