最新版计算三维HHT时频图的M文件，很有用-HHT the latest version of the calculation of three-dimensional time-frequency map M files, very useful

matlab频谱三维图，时间频率幅值。频谱分析三维图，计算机绘制的三维频谱以频率为横坐标，以振幅为纵坐标，以时间为斜轴，在视觉上是一种立体频谱。-Matlab three dimensional spectrum diagram, time frequency amplitude. Spectrum analysis of three-dimensional map, 3D computer generated by frequency spectrum as the abscissa, the

仿真图是速度、距离、幅度三维图像，用MATLAB实现动态聚类或迭代自组织数据分析，用MATLAB编写的遗传算法路径规划。- FIG simulation speed, distance, amplitude three-dimensional image, Using MATLAB dynamic clustering or iterative self-organizing data analysis, Genetic algorithms using MATLAB path planning

包括回归分析和概率统计，仿真图是速度、距离、幅度三维图像，matlab实现了五类灰色关联度模型的计算。- Including regression analysis and probability and statistics, FIG simulation speed, distance, amplitude three-dimensional image, matlab implements five gray correlation degree computing model.

画三维图，通过matlab，画出三维作表图(Draw a three-dimensional map, through MATLAB, draw a three-dimensional map)