Articles with "orthogonal waveforms" as a keyword



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Cramér-Rao Bounds on Angle Estimating in Bistatic MIMO Radar With Non-Orthogonal Waveforms

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2980031

Abstract: Angle estimation is a hot topic in multiple input multiple output (MIMO) radar. However, most of the existing algorithms are only focus on the scenario of ideal orthogonal transmission waveform. In engineering applications, however, non-orthogonal… read more here.

Keywords: radar non; non orthogonal; mimo radar; orthogonal waveforms ... See more keywords
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Delay Compensation for Distributed MIMO Radar With Non-Orthogonal Waveforms

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Published in 2022 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2021.3123582

Abstract: Distributed multi-input multi-output (MIMO) radar with non-orthogonal waveforms has become a critical problem because waveform orthogonality may be lost as waveforms experience distinct delays and Doppler across different transmit-receive propagation paths. In such cases, the… read more here.

Keywords: orthogonal waveforms; compensation; radar non; non orthogonal ... See more keywords
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Quasi-Orthogonal Waveforms for Ambiguity Suppression in Spaceborne Quad-Pol SAR

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2021.3066590

Abstract: This article deals with the synthesis and analysis of quasi-orthogonal nonlinear frequency modulation (NLFM) waveforms to mitigate the impairments of ambiguous returns in quadrature-polarimetric (quad-pol) synthetic aperture radars (SARs). To this end, focusing on signals… read more here.

Keywords: ambiguity; quad pol; quasi orthogonal; orthogonal waveforms ... See more keywords
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Signal Detection in Distributed MIMO Radar With Non-Orthogonal Waveforms and Sync Errors

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Published in 2021 at "IEEE Transactions on Signal Processing"

DOI: 10.1109/tsp.2021.3087897

Abstract: Although routinely utilized in literature, orthogonal waveforms may lose orthogonality in distributed multi-input multi-output (MIMO) radar with spatially separated transmit (TX) and receive (RX) antennas, as the waveforms may experience distinct delays and Doppler frequency… read more here.

Keywords: non orthogonal; mimo radar; orthogonal waveforms; distributed mimo ... See more keywords
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MIMO Radar Imaging Method with Non-Orthogonal Waveforms Based on Deep Learning

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Published in 2022 at "Algorithms"

DOI: 10.3390/a15090306

Abstract: Transmitting orthogonal waveforms are the basis for giving full play to the advantages of MIMO radar imaging technology, but the commonly used waveforms with the same frequency cannot meet the orthogonality requirement, resulting in serious… read more here.

Keywords: orthogonal waveforms; radar imaging; non orthogonal; deep learning ... See more keywords