fenlun

matlab实现16QAM调制解调的程序(matlab realize 16QAM modulation and demodulation procedures)

能够将UTC标准时间转化成为GPS标准时间（包括GPS周数和周内秒数）。(UTC standard time can be transformed into GPS standard time (weeks and weeks, including GPS seconds).)

GPS 差分定位 单差和双差定位 0基线 cep95一米以内(GPS differential positioning)

说明：  使用ncread循环读入所需要的nc数据，大致就是这么一个工具(Using ncread loops to read the required NC data is roughly such a too)

matlab读取shp文件，显示并裁剪栅格数据(you can use the matlab code to read .shp file, and then show or clip raster file in the matlab environment.)

说明：  此Matlab代码实现了Drude-Lorentz和Debye-Lorentz算法(LD模型)，用于计算金属的介电常数。当然Drude-Lorentz方法也可以用来计算纯水的。(This Matlab code implements the Drude-Lorentz and Debye-Lorentz algorithm (LD model), used to calculate the dielectric constant of metal. Of course, Drude-Lorentz method can also be used to calculate the pure water.)

精密单点定位的研究，很详细。最后附带有编程代码，可以用于学习(Precise Point Positioning study in great detail. Finally comes with a programming code that can be used to study)

混合CS(布谷鸟搜索)算法的DE(差分进化)算法(DE (differential evolution) algorithm for hybrid CS (cuckoo search) algorithm)

说明：  基于SIFT的图像配准程序 SIFT特征匹配算法是目前国内外特征点匹配研究领域的热点与难点,其匹配能力较强,可以处理两幅图像之间发生平移、旋转、仿射变换情况下的匹配问题,甚至在某种程度上对任意角度拍摄的图像也具备较为稳定的特征匹配能力(SIFT-based image registration procedure is the SIFT feature matching algorithm for matching feature points at home and abroad a hot area of research and the difficulties in matching their ability to deal with translation between two images, rotation, affine transformation to match the case of problems, and even to some extent in any angle images will also be able to match the characteristics of a more stable capacity)

the code for wave spectrum