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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Rabideau, D.J. |
| Copyright Year | 2011 |
| Description | Author affiliation: Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, USA (Rabideau, D.J.) |
| Abstract | In a Multiple-Input, Multiple-Output (MIMO) radar, independent waveforms are transmitted from different locations, with the resulting reflections processed to form a “virtual antenna array” that is larger than the physical aperture of the radar. This paper examines the design of Doppler-offset waveforms for use in adaptive MIMO GMTI radar systems. Such waveforms provide good adaptive cancellation performance, but are also subject to strong range and Doppler ambiguities. We analyze these ambiguities, and show how they relate to array topology and waveform design. Then, we describe a new waveform approach, called “Dithered DDMA,” which enables high performance clutter cancellation over large range-Doppler regions without introducing ambiguous ranges or blind speeds, and without increasing the computational load on the MIMO processor. |
| Starting Page | 965 |
| Ending Page | 970 |
| File Size | 801458 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424489015 |
| ISSN | 10975659 |
| e-ISBN | 9781424489022 |
| DOI | 10.1109/RADAR.2011.5960679 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-05-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Doppler effect Clutter Arrays Signal to noise ratio Doppler radar |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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