Grating lobes suppression method for stepped frequency GB-SAR system

Tao Zeng; Cong Mao; Cheng Hu; Mao Zhu; Weiming Tian; Jingjing Ren

doi:10.1109/JSEE.2014.00113

Grating lobes suppression method for stepped frequency GB-SAR system

Tao Zeng, Cong Mao, Cheng Hu^*, Mao Zhu, Weiming Tian, Jingjing Ren

^*Corresponding author for this work

School of Information and Electronics

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

6 Citations (Scopus)

Abstract

A grating lobes suppression method for chirp-subpulse stepped frequency (CSSF) signals is proposed, which is applied to deformation monitoring using the ground based synthetic aperture radar (GB-SAR) system. This method is based on accurate estimation and correction of the phase and amplitude error along two dimensions (range and azimuth), i.e., the error estimation inside the subpulse (in-subpulse error) and across the stepped frequency subpulses (cross-subpulse error) of transmitted CSSF signals. Validated both with simulated data and experimental data recorded in the deformation monitoring campaign, it can be seen that the method as well as the relative conclusions can be fully and effectively applied to most of the stepped frequency systems.

Original language	English
Article number	7004641
Pages (from-to)	987-995
Number of pages	9
Journal	Journal of Systems Engineering and Electronics
Volume	25
Issue number	6
DOIs	https://doi.org/10.1109/JSEE.2014.00113
Publication status	Published - 1 Dec 2014

Keywords

chirp-subpulse stepped frequency signal (CSSF)
differential interferometer SAR
error analysis
ground based synthetic aperture radar
suppression of grating lobes

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10.1109/JSEE.2014.00113

Cite this

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title = "Grating lobes suppression method for stepped frequency GB-SAR system",

abstract = "A grating lobes suppression method for chirp-subpulse stepped frequency (CSSF) signals is proposed, which is applied to deformation monitoring using the ground based synthetic aperture radar (GB-SAR) system. This method is based on accurate estimation and correction of the phase and amplitude error along two dimensions (range and azimuth), i.e., the error estimation inside the subpulse (in-subpulse error) and across the stepped frequency subpulses (cross-subpulse error) of transmitted CSSF signals. Validated both with simulated data and experimental data recorded in the deformation monitoring campaign, it can be seen that the method as well as the relative conclusions can be fully and effectively applied to most of the stepped frequency systems.",

keywords = "chirp-subpulse stepped frequency signal (CSSF), differential interferometer SAR, error analysis, ground based synthetic aperture radar, suppression of grating lobes",

author = "Tao Zeng and Cong Mao and Cheng Hu and Mao Zhu and Weiming Tian and Jingjing Ren",

note = "Publisher Copyright: {\textcopyright} 2014 Beijing Institute of Aerospace Information.",

year = "2014",

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doi = "10.1109/JSEE.2014.00113",

language = "English",

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journal = "Journal of Systems Engineering and Electronics",

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T1 - Grating lobes suppression method for stepped frequency GB-SAR system

AU - Zeng, Tao

AU - Mao, Cong

AU - Hu, Cheng

AU - Zhu, Mao

AU - Tian, Weiming

AU - Ren, Jingjing

PY - 2014/12/1

Y1 - 2014/12/1

N2 - A grating lobes suppression method for chirp-subpulse stepped frequency (CSSF) signals is proposed, which is applied to deformation monitoring using the ground based synthetic aperture radar (GB-SAR) system. This method is based on accurate estimation and correction of the phase and amplitude error along two dimensions (range and azimuth), i.e., the error estimation inside the subpulse (in-subpulse error) and across the stepped frequency subpulses (cross-subpulse error) of transmitted CSSF signals. Validated both with simulated data and experimental data recorded in the deformation monitoring campaign, it can be seen that the method as well as the relative conclusions can be fully and effectively applied to most of the stepped frequency systems.

AB - A grating lobes suppression method for chirp-subpulse stepped frequency (CSSF) signals is proposed, which is applied to deformation monitoring using the ground based synthetic aperture radar (GB-SAR) system. This method is based on accurate estimation and correction of the phase and amplitude error along two dimensions (range and azimuth), i.e., the error estimation inside the subpulse (in-subpulse error) and across the stepped frequency subpulses (cross-subpulse error) of transmitted CSSF signals. Validated both with simulated data and experimental data recorded in the deformation monitoring campaign, it can be seen that the method as well as the relative conclusions can be fully and effectively applied to most of the stepped frequency systems.

KW - chirp-subpulse stepped frequency signal (CSSF)

KW - differential interferometer SAR

KW - error analysis

KW - ground based synthetic aperture radar

KW - suppression of grating lobes

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Grating lobes suppression method for stepped frequency GB-SAR system

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