Direct_sequence_spread_Spectrum

ABOUT COUNTOUR SEGMENTATION

几种滤波器：hamming窗口的低通滤波器，给定技术指标的模拟巴特沃兹低通滤波器，kaiser窗口的带阻滤波器，blackman窗口的带通滤波器，Kaiser 窗低通滤波器 (Several filters: hamming window low-pass filter, given specifications of the analog Butterworth low-pass filter, kaiser window band stop filter, blackman window bandpass filters, Kaiser window low-pass filter)

Digital image processing, edge detection

ask modulaltion and implemenatation

matlab knn图构建以及局部线性重构加权方法(graph construction of KNNG and locally linear reconstruction for weighting the edges of knng)

用matlab实现的非线性动态范围调整算法，采用对数函数对图像进行增强，对低照度图像有一定效果(Nonlinear dynamic range adjustment algorithm matlab implementation, using a logarithmic function of image enhancement, image has a certain effect on the illumination)

由一个0到1均匀分布随机变量直接抽样产生瑞利分布白噪声，以及自相关函数和功率谱(Directly sampling a Rayleigh distribution of white noise uniformly distributed random variables from a 0-1, and the autocorrelation function and power spectrum)

用于实现拉格朗日差值算法，可用于GPS星历计算(For the Lagrange interpolation algorithm, can be used for GPS ephemeris )

应用MATLAB仿真平台根据图像偏移量实现图像的透视变换(MATLAB simulation platform perspective transformation of the image according to the image offset)

差分进化算法matlab源代码用于寻找函数极小值，附有多个测试函数(Differential evolution algorithm matlab source code used to find the minimum function, with multiple test functions)