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- W1954247655 abstract "Motivated by the fact that the multi-static transmit-receive configuration in a distributed multiple-input multiple-output (MIMO) radar causes non-stationary clutter, we consider the problem of moving target detection (MTD) using a distributed MIMO radar in non-homogeneous clutter environments. A new non-homogeneous clutter model, where the clutter resides in a low-rank subspace with different subspace coefficients for different transmit-receive pairs, is introduced. The subspace clutter model is effective in capturing the non-homogeneity of the clutter and, in particular, the power variations across different aspect angles and resolution cells. A generalized likelihood ratio test (GLRT), which performs local matched subspace detection, noncoherent combining using local decision variables of all transmit-receive pairs and target velocity matching, is proposed. The GLRT is shown to be a constant false alarm rate (CFAR) detector. Computer simulations are provided to verify our statistical analysis of the GLRT, and a comparison with existing detectors is conducted to evaluate the impact of model mismatch on detection performance." @default.
- W1954247655 created "2016-06-24" @default.
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- W1954247655 date "2012-01-01" @default.
- W1954247655 modified "2023-10-16" @default.
- W1954247655 title "Moving target detection using distributed MIMO radar in non-homogeneous clutter: A subspace approach" @default.
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- W1954247655 doi "https://doi.org/10.1109/wdd.2012.7311298" @default.
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