188 citations · 432 across the 3 of their papers we have counts for
3 papers
astro-ph2007★ 94 cited
Spectral estimation on a sphere in geophysics and cosmology
F. A. Dahlen, Frederik J Simons
We address the problem of estimating the spherical-harmonic power spectrum of a statistically isotropic scalar signal from noise-contaminated data on a region of the unit sphere. T…
physics.geo-ph2006★ 188 cited
Tomographic inversion using -norm regularization of wavelet coefficients
Ignace Loris, Guust Nolet, Ingrid Daubechies +1
We propose the use of regularization in a wavelet basis for the solution of linearized seismic tomography problems , allowing for the possibility of sharp discontinu…
math.ST2006★ 150 cited
Spherical Slepian functions and the polar gap in geodesy
Frederik J Simons, F. A. Dahlen
The estimation of potential fields such as the gravitational or magnetic potential at the surface of a spherical planet from noisy observations taken at an altitude over an incompl…