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http://dx.doi.org/10.5515/KJKIEES.2017.28.3.186

System Performance Analysis for Multi-Band SweepSAR Operating Mode  

Yoon, Seong-Sik (Department of Electronics and Information Engineering, Korea Aerospace University)
Lee, Jae-Wook (Department of Electronics and Information Engineering, Korea Aerospace University)
Lee, Taek-kyung (Department of Electronics and Information Engineering, Korea Aerospace University)
Ryu, Sang-Burm (Payload Electronics Team, Korea Aerospace Research Institute)
Lee, Hyeon-Cheol (Payload Electronics Team, Korea Aerospace Research Institute)
Kang, Eun-Su (Payload Electronics Team, Korea Aerospace Research Institute)
Lee, Sang-Gyu (Payload Electronics Team, Korea Aerospace Research Institute)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.28, no.3, 2017 , pp. 186-194 More about this Journal
Abstract
In this paper, we analyze the main performance of satellite's Synthetic Aperture Radar system for high resolution and wide swath. We have used the radiation pattern of reflector antenna with array feed and comparison between the conventional ScanSAR mode and SweepSAR mode has been carried out. The SweepSAR mode is a high-resolution wide-swath mode that transmits beams over a wide range and receives echo signals through sequential beamforming based on SCORE(SCan On REceive). In this paper, we analyzed the operating principle and characteristics of satellite's SweepSAR mode and simulate system performances. In addition, in order to increase the utilization of image, performances analysis for multiple frequency bands(C-band, X-band) has been considered.
Keywords
SAR(Synthetic Aperture Radar); HRWS(High Resolution Wide Swath); SweepSAR; Antenna Pattern; NESZ(Noise Equivalent Sigma Zero); Ambiguity Ratio;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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