Underwaterbased

本人收集的几个版本emd程序，包括emd2002,emd2005,emd2007三个版本，希望对研究emd的有些帮助(I collected several versions EMD procedures, including emd2002, emd2005, emd2007 three versions, and they hope to study some of EMD help)

lu分解发解方程组 输入矩阵大小范围 小于10 采用地迭代法完成(lu decomposition made solving system of equations)

这个程序代码用于提取眼底图像的血管，包括去噪、边缘检测(The program code for extracting a blood vessel image of the fundus, including denoising, edge detection)

quantize the watermarked audio signal to test the robustness input : vector representing the watermarked audio file output : vector representing the watermarked audio file corrupted by a quantization process

经典谱估计，平均功率法，周期图法，bt算法，代码清晰明了，还配有注释(Classical spectrum estimation, the average power method, periodogram, bt algorithm code clarity, comes with comments)

说明：  用Python语言编写的改进的人工势场法代码。解决了目标不可达问题。(The improved artificial potential field code written in Python language. The problem of inaccessibility of goals has been solved.)

进行的梯型变换，解决距离徙动校正，多普勒方向，和快时间方向。(The ladder to transform, solve the range migration correction, Doppler direction, and fast-time direction.)

To plot the movement in 3D plane in PSO.

关于MATLAB使用方面的介绍书籍，能快速帮助你使用MATLAB。(On MATLAB introduce the use of books, can quickly help you use MATLAB.)

对已经调制的信号进行相干解调，然后观察频域特性(The modulated signal for coherent demodulation, and then observe the frequency domain characteristics)