State-space models of gravity disturbance gradients are needed to design the Kalman filters used for gradiometer-aided inertial navigation. However, the physics of the gravity field guarantee that many of the cross-spectral densities of gravity disturbance gradients are nonrational. A procedure is demonstrated for fitting gravity disturbance correlation functions with finite-dimensional state-space models.
State-Space Models of Gravity Disturbance Gradients
IEEE Transactions on Aerospace and Electronic Systems ; AES-17 , 5 ; 610-619
1981-09-01
2222032 byte
Article (Journal)
Electronic Resource
English
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