2014•Hydrographic Surveying and ChartingRequires access

Overview on Dynamic Gravimetry in the Perspective of Inertial Technology,Part III:The Fusion of Inertial Navigation and Gravimetry

Chang Guobi

Abstract

Both dynamic gravimeters and inertial navigation systems have inertial sensors as their core components,i. e. gyroscopes and accelerometers,and the latter includes gravimetric sensors. So there are close connections between gravimetry and inertial navigation. The connections between gravimeters and inertial navigation system are analyzed in the perspectives of specific force measurement,physical and mathematical platform,inertial technology aided gravimetry,gravity aided inertial navigation,and so on. The fused application of gravimetry and inertial navigation is also analyzed.

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Key concepts: Gravimetry, Gravimeter, Inertial navigation system, Accelerometer, Inertial reference unit, Gyroscope, Inertial frame of reference, Geodesy