FDTD-2D-with-PML

以随机的中弱大气湍流为背景，可用于计算大气湍流下准直高斯光束的光强分布，光束扩展以及光束角漂移(The random weak atmospheric turbulence as the background can be used to calculate atmospheric turbulence of collimated Gaussian beam intensity distribution and beam propagation and beam angle drift)

快速计算相关系数的c代码,比较适用于统计学(Very efficient implementations for calculating correlation efficients )

截取地震数据，按道和采样点截取，自动显示截取后的道数和采样点数(failed to translate)

该函数程序用于计算大气米散射中吸收、散射、衰减、后向散射。(Computation of Mie Efficiencies extinction (qext), scattering (qsca), absorption (qabs), backscattering (qb), asymmetry parameter (asy=<costeta>) and (qratio=qb/qsca).)

C++实现的FFT，详细，简单，内含多个测试类(using C++ implements fft，including serials class)

测绘程序，计算测边网各点坐标的评查程序，值得借鉴(Mapping program to calculate the coordinates of each point measured the side-netting of assessment investigative procedures, worth learning)

具有等式约束和不等式约束的二次规划问题，的积极集方法（有效集方法）(the active set methods for QP with equality and ineqality constrain)

实现位场数据的向上延拓运算，有效的消除数据中的噪音及浅部干扰。(Realize the potential field data upward continuation operator, effectively eliminate the noise in the data and shallow interference.)

频谱分析,用于对等时间间距的序列进行频谱分析 很好的(Spectrum analysis for equivalent time interval sequence spectrum analysis is very good)

matlab求解变系数双曲方程，使用迎风格式(matlab solves the hypolic equation using upwind method)