matlab

说明：  此程序为时频分析工具箱，在MATLAB中添加此工具箱可对信号进行时频分析，无需再自己编写程序(This program is too frequency analysis toolbox, add to this toolbox in MATLAB can signal time-frequency analysis, no longer need to write your own program)

主要介绍基于dct的数字音频水印，以及水印的嵌入和水印的提取(Introduced digital audio watermarking based on dct, and the watermark embedding and watermark extraction)

97年中国大学生数学建模竞赛B题（枚举法） (1997 China Undergraduate Mathematical Contest in Modeling B (enumeration))

此实验是关于详细的采样定理，有设计与实现及MATLAB程序代码。(It is useful.)

用德鲁德模型计算超导材料石墨烯的介电常数和电导率(Calculated using superconducting material graphene permittivity and conductivity Drude model)

本压缩包包括吸气式高超声速飞行器的纵向刚体仿真模型和弹性体仿真模型。利用s函数编写的simulink模块，然后用MATLAB画出二者的图像进行对比(Nonlinear Longitudinal Dynamical Model of an Air-Breathing)

修正的music 算法仿真，MUSIC算法是用于做信号的DOA估计(modified music)

采用matlab的simulink模块实现了基于矢量控制的永磁同步电动机控制系统，电机模型为matlab自带模型，SVPWM的实现则采用了模块搭建，仿真模型运行时间快，效率高，便于学习研究(Using the matlab simulink module implements the permanent magnet synchronous motor control system based on vector control, motor model for matlab own model, SVPWM implementation of the module is used to build simulation models running time, high efficiency, easy to learn study)

能够实现Simulink 简单的pm调制解调(Implementation of Simulink PM modem)

从网络上搜集的决策树源码，包括C4_5、ID3、CART_iris三个源码，供大家一起学习研究。(Decision tree collected from the network source, including C4_5, ID3, CART_iris 3 source for study and research with everyone.)