Polar-harmonic sine and cosine transformation algorithm

The invention provides a polar-harmonic sine and cosine transformation algorithm. A new radial kernel is constructed by utilizing a sine-cosine function, such that the stability is realized; both the zero number and distribution of the radial kernel are superior to the traditional polar-harmonic transformation algorithm based on two-dimensional transformation; compared with the traditional method, in the aspect of graphical representation, the algorithm is more suitable for a high-order moment condition; and simultaneously, the algorithm has rotational invariance and excellent graphical representation performance. The polar-harmonic sine and cosine transformation algorithm disclosed by the invention has the advantages of the traditional polar-harmonic transformation algorithm based on two-dimensional transformation and overcomes the disadvantage that the numerical value of the traditional polar-harmonic transformation algorithm based on two-dimensional transformation is non-steady simultaneously; and the pola