[1] GRIFFITHS H D. Synthetic aperture processing for full-deramp radar altimeters[J]. Electronics Letters, 1988, 24(7): 371-373.
[8] META A, HOOGEBOOM P, LIGTHART L P. Signal processing for FMCW SAR[J]. IEEE Transaction on Geoscience and Remote Sensing, 2007, 45(11): 3519-3532.