METHOD FOR FILTRATION OF GRAVIMETRIC MEASURING INFORMATION ON ANOMALIES OF ACCELERATION OF GRAVITY

摘要

The invention relates to area of geology and geodesy. Method for filtration of gravimetric measuring information on anomalies of acceleration of gravity is in formation from output signal of gravimeter of two-dimensional massif of digital readings of gravimetric measuring information on anomalies of acceleration of gravity with account of match to coordinates of Earth surface for which those readings are obtained. After that one performs filtration of formed massif by means of two-dimensional digital filter. Filtration is carried out with account of distribution of spectral density of useful signal on anomalies of acceleration of gravity and spectral density of noises affecting gravimeter. Additionally one takes into account two-dimensional correlation links present in useful signal on anomalies of acceleration of gravity. Parameters of two-dimensional digital filter are chosen as such that distortion of gravimetric measuring information on anomalies of acceleration of gravity after filtration do not exceed permitted values. Technical result of the invention is in increase of accuracy of gravimetric measuring information on anomalies of acceleration of gravity.