用于地震数据的拉冬变换,可以分离直达波，折射波河反射波-use to radon change

本文就着重比较Radon-Wigner变换、离散Chirp-Fourier变换等方法的优劣。-This article on a comparison of the Radon-Wigner transformation, the advantages and disadvantages of the discrete Chirp-Fourier transform method.