ndd_chengxu

fft 快速傅立叶变换，可以进行有效的变换，用于频谱和功率普的分析。(fft)

用Matlab实现复杂网络度分布的计算。(Matlab realization of complex networks with degree distribution calculations.)

用MATLAB实现对图像的去噪，可以通过修改里面的参数达到不同的效果，调用的是MATLAB的小波包实现的。(Using MATLAB to realize the image denoising can be achieved by modifying the parameters inside the different effects, call the MATLAB wavelet packet implementation.)

SC_FDMA(Single-carrier Frequency-Division Multiple Access)仿真(SC_FDMA(Single-carrier Frequency-Division Multiple Access) simulation)

主成分分析 （ Principal Component Analysis ， PCA ）；特征脸；opencv(Principal component analysis (Principal Component Analysis, PCA) characteristic face opencv)

说明：  三维机织结构，根据平均化理论利用MATLAB实现编织结构弹性常数的预测，根据使用者输入参数不同，可求多种机织结构(Three-dimensional woven structure, according to the average theory using MATLAB to achieve the prediction of the elastic constants of woven structure, according to the user input parameters, can be different types of woven structure)

能测定蓝底白字的车牌，图片格式要设定为640*480的jpg。(It can recognize the vehicle number plate with white number on a blue background.)

说明：  MATLAB图像处理工具箱提供了灰度调整函数imadjust()，可以将图像的灰度值调整到一个指定的范围(MATLAB image processing toolbox provides a grayscale adjusting function imadjust (), you can adjust the gray scale image to a specified range)

说明：  MATLAB数学建模工具，很好的建模资料(Matlab mathetical modelling toolbox)

对波达方向进行估计，通过MUSIC算法估计波达方向，利用MATLAB进行仿真，观察DOA估计与阵元间距的关系(DOA estimate DOA estimated by MUSIC algorithm using MATLAB simulation, observe the relationship between DOA estimation and array element spacing)