velocity_influence_on_mf_of_LFM

说明：  波形的合成与分解。 用matlab编的。可以合成三角波，方波，并分析它们的频谱。有详细的说明。(Synthesis and decomposition of waveforms. Made use of matlab. Can be synthesized triangular wave, square wave, and an analysis of their spectrum. Is described in detail.)

matlab判断图的连通性的小程序,亲测可用(Determine the connectivity of the graph Based on MATLAB.)

利用熵值法判断某个指标的离散程度的。在信息论中，熵是对不确定性的一种度量。信息量越大，不确定性就越小，熵也就越小;信息量越小，不确定性越大，熵也越大。根据熵的特性，我们可以通过计算熵值来判断一个事件的随机性及无序程度，也可以用熵值来判断某个指标的离散程度，指标的离散程度越大，该指标对综合评价的影响越大。 因此，可根据各项指标的变异程度，利用信息熵这个工具，计算出各个指标的权重，为多指标综合评价提供依据。(Using entropy method to judge the degree of dispersion of a certain index.)

说明：  差分进化算法的pdf和完整代码，差分进化算法包括变异、交叉和选择三大操作(Differential Evolution Algorithm PDF and complete code, differential evolution algorithm includes mutation, crossover and selection of three major operations)

This method usually increases the global contrast of many images, especially when the usable data of the image is represented by close contrast values. Through this adjustment, the intensities can be better distributed on the histogram. This allows for areas of lower local contrast to gain a higher contrast. Histogram equalization accomplishes this by effectively spreading out the most frequent intensity values.

Feature selection using laplicat sours

说明：  想学习MATLAB的同志，可看一下该程序，有帮助有哦！( Wants to study Comrade MATLAB, may look that this procedure, has the help to have!)

说明：  this code is for Converting images to avi file in matlab

说明：  该程序试图考察一组数据服从哪种分布（正态，指数或双边指数），并利用K-S检验对各种分布作了检验。(The program attempts to examine a set of data subject to which distribution (normal, exponential or bilateral index), and use KS test has been tested in a variety of distributions.)

线性调频信号是一种雷达常用的电磁波信号，当雷达信号检测到目标时候，反射后得到雷达回波信号，此时由于多普勒效应，信号的频率发生偏移，这个源码仿真出雷达检测到目标距离信息的回波信号。(LFM signal is a commonly used electromagnetic radar signal, when the radar signal detection to the target time, after reflection of radar echo signal, at this time due to Doppler effect, the signal)