LIDAR-point-cloud-data-p-and-a

说明：  提取图像的NMI特征（归一化转动惯量特征）(NMI feature extraction of image（normalized moment of inertia）)

说明：  首先介绍计算机仿真技术和仿真建模方法的基本概念，以便对建模和仿真有个初步和整体的认识；然后对 Simulink 进行简单介绍，并以一个简单例子进行引导；最后介绍 Simulink的工作原理，为后续的深入掌握 Simulink 打下基础。(First introduces the computer simulation technology and the basic concepts of simulation modeling methods, modeling and simulation in order to have a preliminary and general understanding and then a brief introduction to the Simulink and be guided by a simple example Finally, the working principle of Simulink, Simulink for subsequent understanding of the basis.)

1.matlab编程，实现函数的倒排序； 2.程序实现FFT,傅立叶逆变换； 3.一个图像处理程序，添加噪声，去噪。 (1.matlab programming, realize inverted sort function 2. Procedures realize FFT, inverse Fourier transform 3. An image processing program, add noise, de-noising.)

It is the implement analysis of the following paper "N. Akar, E.Karasan and C. Raaelli, Fixed point analysis of limited range share per node wavelength conversion in asynchronous optical packet switching systems. Springerlink, Photonic Network Communication, Feb., (2009)."

正交匹配追踪算法—基于压缩感知信号重构.(Orthogonal Matching Pursuit algorithm- based on compressed sensing signal reconstruction)

说明：  CEEMDAN分解方法，适用于混沌信号，降低其复杂度(Ceemdan decomposition method is suitable for chaotic signals and reduces its complexity)

matlab中在有限的空间显示一张大图片，也是从matlab论坛中得到的(matlab display in the limited space in a big picture, is also derived from the matlab forum)

峰值搜索 对数据进行直方图累积，在对直方图中的数据进行峰值搜索(Histogram peak search the data accumulated in the histogram peak data search)

DDS功能仿真，用MATLAB仿真DDS功能，通过控制频率控制字实现不同频率正弦波的输出。(DDS functional simulation, using MATLAB simulation DDS functions, by controlling the frequency control word different frequency sine wave output.)

un article de J.Betz la poursuite dans GPS