Localization and Observability of Aircraft via Doppler Shifts

Localization and Observability of Aircraft via Doppler Shifts

The linear trajectory of an airplane with constant velocity is obtained from Doppler shifts at stationary sensors, each yielding a corresponding time of closest approach, closest distance, and speed [3, 8]. Based on these inferences and on the sensors' locations, three sensors yield two candida...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 2007-07, Vol.43 (3), p.1163-1168
1. Verfasser: Torney, D.C.
Format: Artikel
Sprache:eng
Schlagworte:
Aircraft
Aircraft components
Airplanes
Computer networks
Doppler effect
Doppler radar
Doppler shift
Electronic systems
Equations
Frequency
Localization
Observability
Sensors
Tactile sensors
Trajectories
Vectors
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Zusammenfassung:The linear trajectory of an airplane with constant velocity is obtained from Doppler shifts at stationary sensors, each yielding a corresponding time of closest approach, closest distance, and speed [3, 8]. Based on these inferences and on the sensors' locations, three sensors yield two candidate trajectories, and four sensors yield one - provided that the locations span R 2 and R 3 respectively: constituting observability for the problem at hand.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2007.4383606