NDLI: MIMO SAR Chirp Modulation Diversity Waveform Design

Content Provider	IEEE Xplore Digital Library
Author	Wen-Qin Wang
Copyright Year	2004
Abstract	Waveform diversity design is a vital issue in multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) systems because the waveforms should have good orthogonality, high coherence, and large time-bandwidth product. However, most of the existing waveforms are not suitable for MIMO SAR and difficult to be implemented in a real-life scene. This letter investigates a scheme for designing chirp modulation diversity waveforms with large time-bandwidth product, constant modulus, implementation simplicity, good Doppler tolerance, and orthogonality. The four waveforms are orthogonal on both transmit and receive. The waveform performances are investigated through the correlation and ambiguity functions. Numerical results validate the superiorities of the designed four waveforms in MIMO SAR high-resolution imaging.
Sponsorship	IEEE Geoscience and Remote Sensing Society
Starting Page	1644
Ending Page	1648
Page Count	5
File Size	908598
File Format	PDF
ISSN	1545598X
Volume Number	11
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synthetic aperture radar MIMO Chirp Correlation Chirp modulation Remote sensing Peak to average power ratio waveform diversity multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) peak-to-average power ratio (PAPR) time–bandwidth product waveform design time¿bandwidth product
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Geotechnical Engineering and Engineering Geology

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