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• W1975704715 abstract "Scanning radar is of notable importance for ground surveillance, terrain mapping and disaster rescue. However, the angular resolution of a scanning radar image is poor compared to the achievable range resolution. This paper presents a deconvolution algorithm for angular super-resolution in scanning radar based on Bayesian theory, which states that the angular super-resolution can be realized by solving the corresponding deconvolution problem with the maximum a posteriori (MAP) criterion. The algorithm considers that the noise is composed of two mutually independent parts, i.e., a Gaussian signal-independent component and a Poisson signal-dependent component. In addition, the Laplace distribution is used to represent the prior information about the targets under the assumption that the radar image of interest can be represented by the dominant scatters in the scene. Experimental results demonstrate that the proposed deconvolution algorithm has higher precision for angular super-resolution compared with the conventional algorithms, such as the Tikhonov regularization algorithm, the Wiener filter and the Richardson-Lucy algorithm." @default.
• W1975704715 created "2016-06-24" @default.
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• W1975704715 date "2015-03-23" @default.
• W1975704715 modified "2023-10-12" @default.
• W1975704715 title "Bayesian Deconvolution for Angular Super-Resolution in Forward-Looking Scanning Radar" @default.
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• W1975704715 doi "https://doi.org/10.3390/s150306924" @default.
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