重新排列象限傅立叶图像，使原点在图像中心 SRC和DST同等大小和类型的数组-Rearranged Fourier image quadrant, the origin is at the image center SRC and DST array of the same size and type

Algorithm for researchers to do reference, It contains positional PID algorithm, integral separate PID, Fractional Fourier transform computing.

Related impulse response analysis algorithm and inspection, Fractional Fourier transform computing, Pisarenko harmonic decomposition algorithm.

Phased array antenna pattern (Chebyshev weights), Some adaptive signal processing algorithms, Fractional Fourier transform computing.

Android 集成 Eigen库，具有Eigen适用范围广，支持包括固定大小、任意大小的所有矩阵操作，甚至是稀疏矩阵；支持所有标准的数值类型，并且可以扩展为自定义的数值类型；支持多种矩阵分解及其几何特征的求解；它不支持的模块生态系统 [2] 提供了许多专门的功能，如非线性优化，矩阵功能，多项式解算器，快速傅立叶变换等。(Android integrates Eigen library, which has a wide range of Eigen applications, support