采用热核构造权重，结合PCA的尺度不变特征变换(SIFT)算法，插值与拟合的matlab实现。- Thermonuclear using weighting factors Combined with PCA scale invariant feature transform (SIFT) algorithm, Interpolation and fitting matlab implementation.

结合PCA的尺度不变特征变换(SIFT)算法，已调制信号计算其普相关密度，Matlab实现界面友好。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Modulated signals to calculate its density Pu-related, Matlab to achieve user-friendly.