Radial Basis Function interpolation-RBF was originally developed for scattered multivariate data interpolation (Hardy 1971). It uses a series of basis functions that are symmetric and centred at each sampling point. Radial basis functions are a s

结合PCA的尺度不变特征变换(SIFT)算法，使用起来非常方便，基于kaiser窗的双谱线插值FFT谐波分析。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Very convenient to use, Dual-line interpolation FFT harmonic analysis kaiser windows.