picturesharpen

explaination with codes of Quadrature Amplitude Modulation

反演工具箱，里面用到了三种反演方法。易于了解反演过程(inversion lsqr sqrt svd)

依据两个点的经纬度计算这两点在地球上距离的函数文件，误差很小(Calculated based on latitude and longitude of two points on Earth from these two points in the function file, the error is small)

cica is most usefule za shaa shaa algorithm. and it is hutsdag pizdanuud yum ahkak.

添加水印，在图项中添加，matlab，实现图像的保护等等 (Add watermark, add items in the map, matlab, image protection, etc.)

ballon sanke的matlab实现，可用于图像分割和边缘检测(ballon sanke realize the matlab can be used for image segmentation and edge detection)

matlab应用实例精讲里面的示例代码，非常有用(examples of matlab)

已调制信号计算其普相关密度，通过虚拟阵元进行DOA估计，是一种双隐层反向传播神经网络。( Modulated signals to calculate its density Pu-related, Conducted through virtual array DOA estimation, Is a two hidden layer back propagation neural network.)

说明：  用于信号的分解、降噪和重构，实现故障诊断(Used for signal decomposition, noise reduction and reconstruction to realize fault diagnosis)

说明：  matlab编程教程，matlab宝典是全面的查阅文献，供编程时按索引查找学习。(reference of matlab coding)