trainlm

matlab实现信号分类，根据信号的相关性，获取信号类别，自动进行信号分类(matlab realize signal classification, in accordance with the correlation signal to obtain the signal type, automatic signal classification)

介绍局部均值分解（一种非平稳信号处理方法）的文献。原理算法、故障分析等。(Literature describes the local mean decomposition (a non-stationary signal processing methods). Principle algorithms, fault analysis, and so on.)

分数付利叶变换的第二种算法 matlab程序(The m-file frft2.m computes the fast fractional Fourier transform following the algorithm)

三维模式时域有限元求解电磁场，计算电磁学初学者，编写的程序代码，希望可以帮助广大网友(Three-dimensional time-domain finite element method solves electromagnetic field, calculates electromagnetic beginners, compiles the program code, hoping to help the vast number of netizens.)

六个信号的小波时间熵进行比较，在同一图上画出六信号波形(Six wavelet entropy to compare the time in the same graph draw the six signal waveforms)

自己编的，利用MATLAB进行DPSK和PSK编码，可用于数字通信的课程学习中。(Own, and the use of MATLAB for DPSK and PSK encoding, digital communication can be used to study in the curriculum.)

# fps.m -- Fast Poisson solver. Uses fpt.m.(# fps.m-- Fast Poisson solver. Uses fpt.m.)

对BPSK的调制与解调进行了详细的MATLAB仿真，详细，简单，易懂(BPSK modulation and demodulation of a detailed MATLAB simulation, detailed, simple, understandable)

巴特沃斯低通，巴特沃斯高通滤波器。matlab实现，用于图像平滑处理，去噪。(butworth，filter。)

说明：  数字信号调制中的ASK,PSK,FSK的matlab仿真程序，包含了调制与解调过程(Digital signal modulation of ASK, PSK, FSK the matlab simulation program, including the modulation and demodulation process)