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 Review on High Resolution Wide Swath SAR System Using Frequency Scanning 


Vol. 50,  No. 10, pp. 1617-1630, Oct.  2025
10.7840/kics.2025.50.10.1617


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  Abstract

A key research topic in spaceborne synthetic aperture radar (SAR) systems is the development of high-resolution wide-swath (HRWS) imaging techniques that overcome the fundamental trade-off between image resolution and swath width. In general, achieving high resolution in SAR systems requires a high pulse repetition frequency (PRF), whereas wide-swath observation necessitates a lower PRF. To address this inherent limitation, various SAR techniques have been proposed. Among them, representative approaches for HRWS imaging include scanning on receive (SCORE) and frequency scanning (F-scan). This paper provides a tutorial overview of the valid PRF range for SAR image formation and illustrates the trade-off between resolution and swath width. Furthermore, it introduces the frequency scanning technique as a promising solution to this trade-off and demonstrates its effectiveness through simulation results.

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[IEEE Style]

J. Yim, D. Kim, I. Ban, N. Lee, "Review on High Resolution Wide Swath SAR System Using Frequency Scanning," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1617-1630, 2025. DOI: 10.7840/kics.2025.50.10.1617.

[ACM Style]

Jungbin Yim, Donghyun Kim, Inmo Ban, and Namyoon Lee. 2025. Review on High Resolution Wide Swath SAR System Using Frequency Scanning. The Journal of Korean Institute of Communications and Information Sciences, 50, 10, (2025), 1617-1630. DOI: 10.7840/kics.2025.50.10.1617.

[KICS Style]

Jungbin Yim, Donghyun Kim, Inmo Ban, Namyoon Lee, "Review on High Resolution Wide Swath SAR System Using Frequency Scanning," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1617-1630, 10. 2025. (https://doi.org/10.7840/kics.2025.50.10.1617)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880