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Perimeter Security and Intruder Detection Using Gravity Gradiometry
Jared D Tuinstra
Broschiertes Buch

Perimeter Security and Intruder Detection Using Gravity Gradiometry

A Feasibility Study

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Changes in the mass distribution around some point on the Earth's surface induce corresponding changes to the magnitude and direction of the gravity vector at that location. The nine-tensor derivative of the gravity vector, or gravity gradient, is sensitive to very small changes in the gravity vector. With some assumptions, continuous measurement of the gravity gradient using a gravity gradiometer (GGI) can be used to determine the location of a mass change in the local area near the instrument. This investigation sought to determine the effectiveness, operating characteristics, and limitation...