L20

波束形成算法，最大信噪比;请大家参考使用(Beamforming algorithm, maximum signal to noise ratio)

利用matlab，可以实现在matlab中从滞回曲线中提取骨架曲线，避免用origin描点(Extracting the MATLAB of the skeleton curve in the hysteresis curve)

SVMmulticlass: Multi-class classification. Learns to predict one of k mutually exclusive classes. This is probably the simplest possible instance of SVMstruct and serves as a tutorial example of how to use the programming interface.

说明：  论述了多种时频分析方法,其中包括短时傅里叶变换、Cohen类时频分布、Hilbert-Huang变换、引入小波包分解的改进型Hilbert-Huang变换、(Various time-frequency analysis methods are discussed, including short-time Fourier transform, Cohen class time-frequency distribution, Hilbert-Huang transform, improved Hilbert-Huang transform with wavelet packet decomposition.)

焊接方面的例子，比较有代表性，易学，易懂，新手入门必备(Examples of welding, more representative, easy to learn, easy to understand, beginners must)

SOFM(自组织特征映射)：这种算法部分收到生物特征影响,在网络输出层内按几何中心或特征进行聚类,(SOFM (Self-Organizing feature Mapping): this algorithm is partially affected by biometrics and is clustered by geometric center or feature in the output layer of the network.)

说明：  UHARD example: This document is used to define a simple UHARD

说明：  外汇MT4 EA，基于ATR指标，亲测可用(Foreign exchange MT4 EA, based on ATR index, available for pro test)

自己编写的C#TCP.UDP小程序，给初学者提供参考(C#TCP.UDP applet written by himself, to provide reference for beginners)

说明：  仿真不同环境下无人机航空信道，以及一些常见的航空抗干扰技术。(Simulate aeronautical wireless channel in different environment.)