Range Design of Pulse Repetition Frequency for Removal of SAR Residual Image 


Vol. 41,  No. 11, pp. 1653-1660, Nov.  2016


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  Abstract

The synthetic aperture rardar (SAR) is an active sensor using microwaves. It transmits a microwave signal, called a chirp pulse, and receives the reflected signal in a moving platform such as satellite and unmanned aerial vehicle. Since this sensor uses microwaves that can penetrate the atmosphere, SAR generates the images regardless of light and weather conditions. However SAR operates on the moving platform, the Doppler shift and the side-looking observation method should be considered. In addtion, a residual image or ghost image can be occurred according to selection of the pulse repetition frequency (PRF). In this paper, a range design of the PRF for the L-band spaceborne SAR system is studied for prevention of SAR image distortion. And the system is studied for prevention of SAR image distortion. And the system parameter and the PRF are calibrated iteratively according to the proposed system design procedure and design constraints. The MATLAB based on SAR system simulator has been developed to verify the validity of calculated PRF. The developed simulator assumes that SAR sensor is operated by the PRF calculated from the design. The results of the simulator show that the targets in image has a valid peak to side-lobe ratio (PSLR) so that the PRF can be used for the spaceborne SAR sensor.

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  Cite this article

[IEEE Style]

K. Kim, M. Heo, T. Kim, S. Ryu, S. Lee, H. Lee, J. Kim, "Range Design of Pulse Repetition Frequency for Removal of SAR Residual Image," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 11, pp. 1653-1660, 2016. DOI: .

[ACM Style]

Kyeong-Rok Kim, Min-Wook Heo, Tu-Hwan Kim, Sang-Burm Ryu, Sang-Gyu Lee, Hyeon-Cheol Lee, and Jae-Hyun Kim. 2016. Range Design of Pulse Repetition Frequency for Removal of SAR Residual Image. The Journal of Korean Institute of Communications and Information Sciences, 41, 11, (2016), 1653-1660. DOI: .

[KICS Style]

Kyeong-Rok Kim, Min-Wook Heo, Tu-Hwan Kim, Sang-Burm Ryu, Sang-Gyu Lee, Hyeon-Cheol Lee, Jae-Hyun Kim, "Range Design of Pulse Repetition Frequency for Removal of SAR Residual Image," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 11, pp. 1653-1660, 11. 2016.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880