Browse > Article

Analysis of SAR Interference Suppression Techniques using Eigen-subspace based Filter  

Lee, Bo-Yun (LIG넥스원 우주영상연구소)
Kim, Bum-Seung (한국항공대학교 항공전자공학과)
Song, Jung-Hwan (한국항공대학교 항공전자공학과)
Lee, Woo-Kyung (한국항공대학교 항공전자공학과)
Publication Information
Journal of Satellite, Information and Communications / v.12, no.3, 2017 , pp. 63-68 More about this Journal
Abstract
SAR(Synthetic Aperture Radar) uses electromagnetic signals to acquire ground information and has been used for wide coverage reconnaissance missions regardless of weather conditions. However SAR is known to be vulnerable to interference signals by other communication devices or radar instruments and may suffer from undesirable performance degradations and image quality. In this paper, a modified Eigen-subspace based filter is proposed that can be easily applied to SAR images affected by interference signals. The method of constructing Eigen-subspace based filter is briefly described and various simulations are performed to show the performance of the interference mitigation process. The suppression filter is applied to a ALOS PALSAR raw data affected by interfering signals in order to verify its superiority over the Notch filter.
Keywords
SAR; Eigen-subspace based Filter; Interference;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 이우경, 곽영길, "SAR 영상 처리 기술", 한국전자파학회논문지, 22(6), pp. 40-54, 1738-9712, 2011년.
2 F. Zhou, R. Wu, M. Xing, and Z. Bao, "Eigensubspace-based Filtering with Application in Narrow-band Interference Suppression for SAR", Geoscience and Remote Sensing Letters, IEEE, China, 2007.
3 B.K. Poh, T.S. Quek, C.M.S. See, A.C. Kot, "Suppression of Strong Narrowband Interference using an Eigen-structurebased Algorithm", Military Communications Conference, 1995. MILCOM '95, Conference Record, IEEE
4 Yu Chunrui, Zhang Yongsheng, Dong Zhen, Liang Diannong, "Eigen Decomposition Method for RFI Suppression Applied to SAR Data", Multimedia Technology(ICMT), 2010 International Conference
5 Ian G. Cumming, Frank H. Wong, Digtal Processing Synthetic Aperture Radar Data, Artech House.
6 Paul A. Rosen, Scott Hensley, and Charles Le, "Observations and Mitigation of RFI in ALOS PALSAR Data: Implications for the Desdyni Mission", Radar Conference, 2008. RADAR'08. IEEE
7 이슬기, 강서리, 이우경, "LMS 적응 필터를 이용한 레이다 영상 간섭신호 제거", 한국전자파학회 전자파기술논문지, 25(2), pp. 3-9, 2014년 3월.
8 F. Zhou, M. Xing, X. Bai, G. Sun, and Z. Bao, "Narrow-band Interference Suppression for SAR based on Complex Empirical Mode Decomposition", IEEE Geosci. Remote Sens. Lett., vol. 6, no. 3, pp. 423-427, Jul. 2009.   DOI
9 이슬기, 이우경, 이재욱, "L-대역 SAR 영상에서의 간섭 신호 영향 분석", 한국전자파학회논문지, 제 23(12), pp. 1388-1398, 2012년 2월.   DOI
10 Hiroshi Kimura, Takashi Nakamura, Konstantions P. Papathenassiou, "Suppression of Ground Radar Interference in JERS-1 SAR Data", IEICE Trans. Commun., VOL., E87-B, NO.12 DECEMBER 2004.