Fig. 14From: Experimental study on improving the accuracy of marine gravimetry by combining moving-base gravimeters with GNSS antenna arrayFourier time–frequency analysis of horizontal accelerations. a, c and e are the single-sided amplitude spectra of the horizontal accelerations of S1-1, X1-2 and X1-3, respectively; the small windows are enlarged views of the low-frequency band. b, d, and f are the corresponding time-domain horizontal accelerationsBack to article page