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Passive 3D tracking of low altitude targets using DVB (SFN Broadcasters)

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2 Author(s)
Poullin, D. ; French A.erosp. Lab., ONERA, Palaiseau, France ; Flecheux, M.

Good behavior for the altitude estimation has been validated in terms of accuracy using instrumented GPS targets, as well as opportunistic ones (coherence of the altitude history with respect to the speed indicator). In most cases, this altitude estimation satisfied our objectives, even though they were quite ambitious objectives. A system such as this one should clearly distinguish the different altitudes of different flight patterns, and the difference between the two altitudes was equal to 330 m. This multistatic DVB-T SFN tracker is exploiting detections based on a 2D planar DVB-T receiving array: the parameters estimated are the bistatic range and Doppler, as well as the azimuth and elevation measurements. Some opportunistic targets have also been analyzed for validation of the 3D localization capacities, especially for low speed targets at very low altitude.

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Aerospace and Electronic Systems Magazine, IEEE  (Volume:27 ,  Issue: 11 )