Title :
A robustness test for the MVD filter and MLD algorithm
Author_Institution :
Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu
fDate :
3/1/1991 12:00:00 AM
Abstract :
J.P. Todoeschuck and O.G. Jensen (Geophysics, vol.53, no.11, p.1410-14, 1988) recently reported that some reflectivity sequences denoted μ(k), calculated from sonic logs, are not white and have a power spectral density approximately proportional to frequency, which is called a Joseph spectrum. A robustness test is now presented for the case of μ(k) having a Joseph spectrum for the minimum-variance deconvolution (MVD) filter and the maximum-likelihood deconvolution (MLD) algorithm, which were developed based on the whiteness assumption about μ(k). From the simulations performed, it is concluded that the possible Joseph spectrum of μ(k) is not a concern when applying the MVD filter and MLD algorithm towards estimating μ(k) from seismic data
Keywords :
geophysical prospecting; geophysical techniques; geophysics computing; seismology; Joseph spectrum; MLD algorithm; MVD filter; borehole method; computer algorithm; geophysical prospecting technique; maximum-likelihood deconvolution; minimum-variance deconvolution; reflectivity sequences; robustness test; seismology; sonic log; well logging; whiteness assumption; Autocorrelation; Biomedical measurements; Deconvolution; Filters; Frequency; Maximum likelihood estimation; Reflectivity; Robustness; Seismic measurements; Testing;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
