Study about Ionospheric Effects on Spaceborne SAR Azimuth Imaging

[1] Saatchi S and Moghaddam M. Estimation of boreal forestbiomass using spaceborne SAR systems. Proc. IGARSS,Piscataway,NJ,USA, July 1999, 3: 1646-1648. [2] Snoeij P, van der Valk N, and Boom E, et al.. Effect of theionosphere on P-band spaceborne SAR images. Proc.IGARSS, Sydney, Australia, July 2001, 1: 132-134. [3] Hallberg B, Smith G, and Oloffsson A, et al.. Performancesimulation of spaceborne P-band SAR for global biomassretrieval. Proc. IGARSS, Anchorage, Alaska, Sept 2004, 1:503-506. [4] Rignot E, Zimmermann J R, and Vanzyl J J. Spaceborneapplications of P-band imaging radars for measuring forestbiomass[J].IEEE Trans. on Geosci. Remote Sensing.1995,33(9):1162-1169 [5] Ishimaru A, Kuga Y, and Liu J. Ionospheric effects onsynthetic aperture radar at 100 MHz to 2 GHz[J].Radio Science.1999, 34(1-2):257-268 [6] Liu J, Kuga Y, and Xiaoqing P, et al.. Ionospheric effectson SAR imaging: a numerical study[J].IEEE Trans. on Geosci.Remote Sensing.2003, 41(5):939-947 [7] Liu J. Ionospheric effects on synthetic aperture radar imaging.[Ph.D. dissertation], University of Washington, 2003. [8] Quegan S and Lamont J. Ionospheric and tropospheric effectson synthetic aperture radar performance. Int.J. Remote Sens,1986, 1(7): 525-539.