7Sideris M G. On the use of heterogeneous noisy data in spectral gravity field modeling methods. Journal of Geodesy, 1996,70(8) :470-479.
8Tscheming C C, Rubek F, Forsberg R. Combining airborne and ground gravity using collocation. In: Forsberg et al. ed. Geodesy on the Move, IAG Symposia, Vol. 119. Springer Verlag, 1997.18 - 23.
9Mallat S, Zhong Sifen. Characterization of signals from multiscale edges. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1992,114(7) :710-732.
10Berman Z, Baras J S. Properties of the maxima and zero-crossings representations. IEEE Trans. Signal Proc., 1993, 41 (12): 3216～3231.
