Fractional Fourier Transform Based M-ary Chirp Modulation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Shanghai Jiaotong University (science)"
DOI: 10.1007/s12204-020-2191-2
Abstract: In this paper, a novel M-ary chirp modulation scheme is proposed on the basis of the energy concentration property of chirp signals in fractional domain. In the proposed scheme, chirp signals with different phases are… read more here.
Keywords: chirp modulation; chirp signals; ary chirp; fractional fourier ... See more keywords
Azimuth Phase Coding by Up and Down Chirp Modulation for Range Ambiguity Suppression
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DOI: 10.1109/access.2019.2944871
Abstract: High range ambiguity level will impair the spaceborne SAR image quality and hamper following SAR image applications. The range ambiguity suppression effect of the up and down chirp modulation on spaceborne SAR images is analyzed… read more here.
Keywords: ambiguity; chirp modulation; suppression; range ambiguity ... See more keywords
Fast τ-p transforms by chirp modulation
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DOI: 10.1190/geo2018-0380.1
Abstract: We have developed simple, fast, and accurate algorithms for the linear Radon ([Formula: see text]-[Formula: see text]) transform and its inverse. The algorithms have an [Formula: see text] computational complexity in contrast to the [Formula:… read more here.
Keywords: transforms chirp; chirp modulation; fast transforms; formula see ... See more keywords