High-frequency vibration compensation of helicopter-borne THz-SAR [Correspondence]

Yuan Zhang; Jinping Sun; Peng Lei; Huan Wang; Wen Hong

doi:10.1109/TAES.2016.140615

High-frequency vibration compensation of helicopter-borne THz-SAR [Correspondence]

Yuan Zhang
, Jinping Sun
, Peng Lei
, Huan Wang
, Wen Hong

电子信息工程学院

Beihang University
CAS - Institute of Electronics

科研成果: 期刊稿件 › 文章 › 同行评审

42 引用（Scopus）

摘要

This paper proposes a method on high-frequency vibration compensation of helicopter-borne synthetic aperture radar (SAR) in terahertz band. The SAR signal model with platform vibration is established based on the mechanism of a helicopter's vibration. Then successive Doppler keystone transform (SDKT) is used to correct the range cell migration induced by the vibration. Finally, the analytical formula of the platform vibration phase error is given as well as its compensation to achieve a focused image.

源语言	英语
文章编号	7511872
页（从-至）	1460-1466
页数	7
期刊	IEEE Transactions on Aerospace and Electronic Systems
卷	52
期	3
DOI	https://doi.org/10.1109/TAES.2016.140615
出版状态	已出版 - 6月 2016

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abstract = "This paper proposes a method on high-frequency vibration compensation of helicopter-borne synthetic aperture radar (SAR) in terahertz band. The SAR signal model with platform vibration is established based on the mechanism of a helicopter's vibration. Then successive Doppler keystone transform (SDKT) is used to correct the range cell migration induced by the vibration. Finally, the analytical formula of the platform vibration phase error is given as well as its compensation to achieve a focused image.",

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AB - This paper proposes a method on high-frequency vibration compensation of helicopter-borne synthetic aperture radar (SAR) in terahertz band. The SAR signal model with platform vibration is established based on the mechanism of a helicopter's vibration. Then successive Doppler keystone transform (SDKT) is used to correct the range cell migration induced by the vibration. Finally, the analytical formula of the platform vibration phase error is given as well as its compensation to achieve a focused image.

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High-frequency vibration compensation of helicopter-borne THz-SAR [Correspondence]

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