Doppler parameters estimation for bistatic forward-looking SAR via ACFT

Shunsheng Zhang; Zhiteng Ning; Yongqiang Zhang; Cheng Hu; Tat Soon Yeo

doi:10.1109/APSAR.2015.7306312

Doppler parameters estimation for bistatic forward-looking SAR via ACFT

Shunsheng Zhang, Zhiteng Ning, Yongqiang Zhang, Cheng Hu, Tat Soon Yeo

School of Information and Electronics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Abstract

For high-precision synthetic aperture radar (SAR) processing, the estimation of Doppler centroid and Doppler frequency rate is essential for well-focused image. In this paper, we present a new method for estimation of Doppler parameters in bistatic forward-looking S AR (BFSAR). After range cell migration (RCM) of BFSAR is corrected by using the cross-correlation technique in inverse S AR, analog chirp-Fourier transform (ACFT) is applied to estimate the Doppler frequency rate. Afterwards, the unambiguous Doppler centroid is obtained by combining ACFT with resolving Doppler ambiguity. Experimental results show that the estimation errors of Doppler centroid and Doppler frequency rate are less than 0.2% and 0.15%, respectively.

Original language	English
Title of host publication	Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	742-745
Number of pages	4
ISBN (Electronic)	9781467372961
DOIs	https://doi.org/10.1109/APSAR.2015.7306312
Publication status	Published - 23 Oct 2015
Event	5th IEEE Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015 - Singapore, Singapore Duration: 1 Sept 2015 → 4 Sept 2015

Publication series

Name	Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015

Conference

Conference	5th IEEE Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015
Country/Territory	Singapore
City	Singapore
Period	1/09/15 → 4/09/15

Keywords

Bistatic forward-looking S AR (BFSAR)
Doppler centroid
Doppler frequency rate
Doppler parameters estimation
analog chirp-Fourier transform (ACFT)

Access to Document

10.1109/APSAR.2015.7306312

Cite this

Zhang, S., Ning, Z., Zhang, Y., Hu, C., & Yeo, T. S. (2015). Doppler parameters estimation for bistatic forward-looking SAR via ACFT. In Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015 (pp. 742-745). Article 7306312 (Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APSAR.2015.7306312

Zhang, Shunsheng ; Ning, Zhiteng ; Zhang, Yongqiang et al. / Doppler parameters estimation for bistatic forward-looking SAR via ACFT. Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 742-745 (Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015).

@inproceedings{7e87befe5e1d4e388b9424985f337407,

title = "Doppler parameters estimation for bistatic forward-looking SAR via ACFT",

abstract = "For high-precision synthetic aperture radar (SAR) processing, the estimation of Doppler centroid and Doppler frequency rate is essential for well-focused image. In this paper, we present a new method for estimation of Doppler parameters in bistatic forward-looking S AR (BFSAR). After range cell migration (RCM) of BFSAR is corrected by using the cross-correlation technique in inverse S AR, analog chirp-Fourier transform (ACFT) is applied to estimate the Doppler frequency rate. Afterwards, the unambiguous Doppler centroid is obtained by combining ACFT with resolving Doppler ambiguity. Experimental results show that the estimation errors of Doppler centroid and Doppler frequency rate are less than 0.2% and 0.15%, respectively.",

keywords = "Bistatic forward-looking S AR (BFSAR), Doppler centroid, Doppler frequency rate, Doppler parameters estimation, analog chirp-Fourier transform (ACFT)",

author = "Shunsheng Zhang and Zhiteng Ning and Yongqiang Zhang and Cheng Hu and Yeo, {Tat Soon}",

note = "Publisher Copyright: {\textcopyright} 2015 IEEE.; 5th IEEE Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015 ; Conference date: 01-09-2015 Through 04-09-2015",

year = "2015",

month = oct,

day = "23",

doi = "10.1109/APSAR.2015.7306312",

language = "English",

series = "Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "742--745",

booktitle = "Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015",

address = "United States",

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Zhang, S, Ning, Z, Zhang, Y, Hu, C & Yeo, TS 2015, Doppler parameters estimation for bistatic forward-looking SAR via ACFT. in Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015., 7306312, Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015, Institute of Electrical and Electronics Engineers Inc., pp. 742-745, 5th IEEE Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015, Singapore, Singapore, 1/09/15. https://doi.org/10.1109/APSAR.2015.7306312

Doppler parameters estimation for bistatic forward-looking SAR via ACFT. / Zhang, Shunsheng; Ning, Zhiteng; Zhang, Yongqiang et al.
Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 742-745 7306312 (Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Doppler parameters estimation for bistatic forward-looking SAR via ACFT

AU - Zhang, Shunsheng

AU - Ning, Zhiteng

AU - Zhang, Yongqiang

AU - Hu, Cheng

AU - Yeo, Tat Soon

PY - 2015/10/23

Y1 - 2015/10/23

N2 - For high-precision synthetic aperture radar (SAR) processing, the estimation of Doppler centroid and Doppler frequency rate is essential for well-focused image. In this paper, we present a new method for estimation of Doppler parameters in bistatic forward-looking S AR (BFSAR). After range cell migration (RCM) of BFSAR is corrected by using the cross-correlation technique in inverse S AR, analog chirp-Fourier transform (ACFT) is applied to estimate the Doppler frequency rate. Afterwards, the unambiguous Doppler centroid is obtained by combining ACFT with resolving Doppler ambiguity. Experimental results show that the estimation errors of Doppler centroid and Doppler frequency rate are less than 0.2% and 0.15%, respectively.

AB - For high-precision synthetic aperture radar (SAR) processing, the estimation of Doppler centroid and Doppler frequency rate is essential for well-focused image. In this paper, we present a new method for estimation of Doppler parameters in bistatic forward-looking S AR (BFSAR). After range cell migration (RCM) of BFSAR is corrected by using the cross-correlation technique in inverse S AR, analog chirp-Fourier transform (ACFT) is applied to estimate the Doppler frequency rate. Afterwards, the unambiguous Doppler centroid is obtained by combining ACFT with resolving Doppler ambiguity. Experimental results show that the estimation errors of Doppler centroid and Doppler frequency rate are less than 0.2% and 0.15%, respectively.

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KW - Doppler centroid

KW - Doppler frequency rate

KW - Doppler parameters estimation

KW - analog chirp-Fourier transform (ACFT)

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M3 - Conference contribution

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T3 - Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015

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BT - Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 5th IEEE Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015

Y2 - 1 September 2015 through 4 September 2015

ER -

Zhang S, Ning Z, Zhang Y, Hu C, Yeo TS. Doppler parameters estimation for bistatic forward-looking SAR via ACFT. In Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015. Institute of Electrical and Electronics Engineers Inc. 2015. p. 742-745. 7306312. (Proceedings of the 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2015). doi: 10.1109/APSAR.2015.7306312

Doppler parameters estimation for bistatic forward-looking SAR via ACFT

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