NG3125R

说明：  3维hashin失效准则~复合材料层合板(3-D Hashin Failure Criterion ~Composite Laminates)

MATLAB神经网络案例分析 BP神经网络的数据分类-语音特征信号分类(MATLAB BP Neural Network - Classification of Speech Characteristic Signals)

说明：  用来模拟光学中各种孔径的菲涅耳衍射和夫琅禾费衍射，清晰明了(It is used to simulate Fresnel diffraction and Fraunhofer diffraction of various apertures in optics. It is clear and clear)

分别对matlab和ansys两种平台的拓扑优化结果分析比较，为学习者提供了两种不同优化设计思路，过程详细清晰，易于学习理解(The analysis and comparison of topology optimization results between MATLAB and ANSYS two platforms provide two different optimization design ideas for learners. The process is clear and clear, and easy to learn and understand.)

利用BP神经网络实现对民族，古筝，摇滚，流行四类音乐的有效分类。matlab实现，提供数据和详细代码，有解释！(The BP neural network is used to realize the effective classification of four kinds of music: nationality, zither, rock and roll, and popular music. Matlab implementation, provide data and detailed code, there are explanations!)

说明：  将一个50Hz的干扰信号加入到白噪声中，然后对合成信号做fft，得到相应的幅频谱图和相位谱图。(A 50 Hz interference signal is added to the white noise, and then the composite signal is FFT to get the corresponding amplitude spectrum and phase spectrum.)

采用simulink搭建IEEE标准33节点仿真模型及.m程序(IEEE standard 33 node simulation model)

说明：  LOS制导方式实现路径跟踪算法仿真，直线和曲线的仿真代码(Los guidance method to achieve path tracking algorithm simulation, straight line and curve simulation code)

说明：  六边形蜂窝自动建模插件，能在abaqus中自动建立蜂窝模型(Hexagonal honeycomb automatic modeling plug-in)

说明：  abaqus经纬编织织物模型，umat子程序(ABAQUS warp and weft knitted fabric model, UMAT subroutine)