Parameters Estimation and Imaging of Ground Moving Target in a One-stationary Bi-static SAR

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ZABIHI MADDAH S.M.; SEYEDIN S.A.

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Paper Information

Journal: JOURNAL OF RADAR Year:2018 | Volume:5 | Issue:4 Page(s): 11-24

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Information Journal Paper

Title

Parameters Estimation and Imaging of Ground Moving Target in a One-stationary Bi-static SAR

Author(s)

ZABIHI MADDAH S.M. | SEYEDIN S.A. | Issue Writer Certificate

Keywords

Synthetic Aperture Radar (SAR)Q1

Bistatic SARQ2

Ground Moving TargetQ1

Parameter EstimationQ2

ImagingQ2

Abstract

In this paper, the equation of the received signal of a moving target with constant acceleration in a special case of Bi-static SAR, named one-stationary, is derived in a slant range plane. In the one-stationary geometry, usually range curvature and Doppler ambiguity is very large due to wide beam-width and assumption of accelerating movement of the target. Hence, transforms such as Radon and Keystone have little accuracy for both estimating Doppler centroid and removing range cell migration. In this paper, a two-step algorithm is proposed for estimation of Doppler centroid. That is a combination of radon transform and a search algorithm. Then, by extraction of a system of equations, an estimation of target’ s velocity and acceleration is obtained and finally, an image formation algorithm is presented. Compared to usual algorithms, the accuracy of the derived equations and the strength of the proposed algorithm in the presence of noise and clutter are confirmed by simulations.

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APA: Copy

ZABIHI MADDAH, S.M., & SEYEDIN, S.A.. (2018). Parameters Estimation and Imaging of Ground Moving Target in a One-stationary Bi-static SAR. JOURNAL OF RADAR, 5(4 ), 11-24. SID. https://sid.ir/paper/244201/en

Vancouver: Copy

ZABIHI MADDAH S.M., SEYEDIN S.A.. Parameters Estimation and Imaging of Ground Moving Target in a One-stationary Bi-static SAR. JOURNAL OF RADAR[Internet]. 2018;5(4 ):11-24. Available from: https://sid.ir/paper/244201/en

IEEE: Copy

S.M. ZABIHI MADDAH, and S.A. SEYEDIN, “Parameters Estimation and Imaging of Ground Moving Target in a One-stationary Bi-static SAR,” JOURNAL OF RADAR, vol. 5, no. 4 , pp. 11–24, 2018, [Online]. Available: https://sid.ir/paper/244201/en

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