Correction of refracted propagation effects for airborne radar tracking

Stefano Fortunati; Fulvio Gini; Maria S. Greco; Alfonso Farina; Antonio Graziano; Sofia Giompapa; Frank R. Castella

doi:10.1109/TAES.2013.6404089

Correction of refracted propagation effects for airborne radar tracking

Stefano Fortunati, Fulvio Gini, Maria S. Greco, Alfonso Farina, Antonio Graziano, Sofia Giompapa, Frank R. Castella

Research output: Contribution to journal › Article › peer-review

Abstract

This paper concerns the correction of refracted propagation effects for airborne radar tracking. An algorithm based on the Kalman filter (KF) is developed that compensates for range and elevation refraction errors, which were analytically derived using a simplified tropospheric model. In particular, the refraction error model applies to a spherically stratified troposphere and does not include the effects of azimuthal refraction errors, small-scale fluctuations, or ducting. The effectiveness of the proposed tracking algorithm is assessed in the presence of tropospheric parameter mismatch and measurement noise. Both theoretical and numerical results are described for a medium range scenario, and a quasi-ellipsoidal racetrack is chosen for the air platform that carries the radar.

Original language	English
Article number	6404089
Pages (from-to)	20-41
Number of pages	22
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	49
Issue number	1
DOIs	https://doi.org/10.1109/TAES.2013.6404089
Publication status	Published - 21 Jan 2013
Externally published	Yes

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AU - Fortunati, Stefano

AU - Gini, Fulvio

AU - Greco, Maria S.

AU - Farina, Alfonso

AU - Graziano, Antonio

AU - Giompapa, Sofia

AU - Castella, Frank R.

PY - 2013/1/21

Y1 - 2013/1/21

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AB - This paper concerns the correction of refracted propagation effects for airborne radar tracking. An algorithm based on the Kalman filter (KF) is developed that compensates for range and elevation refraction errors, which were analytically derived using a simplified tropospheric model. In particular, the refraction error model applies to a spherically stratified troposphere and does not include the effects of azimuthal refraction errors, small-scale fluctuations, or ducting. The effectiveness of the proposed tracking algorithm is assessed in the presence of tropospheric parameter mismatch and measurement noise. Both theoretical and numerical results are described for a medium range scenario, and a quasi-ellipsoidal racetrack is chosen for the air platform that carries the radar.

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Correction of refracted propagation effects for airborne radar tracking

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