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- W2055946600 abstract "In this paper, we address the problem of angular resolution in frequency scanning array antennas and propose a simple and yet effective method to recover target cross-range resolution beyond the beamwidth limitations. First, the frequency scanning antenna signal model is presented and then a new superresolution technique for frequency scanning signals is explained. This method uses the nonlinear relation between frequency variation and pointing angle of the antenna and achieves a resolution equal to the angular steps chosen for scanning the field of view. For instance, using an antenna with the -3dB beamwidth of seven degrees and scanning steps of one degree, we achieve a resolution of one degree under various noise conditions. The validity of the proposed method and the resulting performance in the presence of noise are demonstrated by simulations." @default.
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- W2055946600 date "2013-04-01" @default.
- W2055946600 modified "2023-09-26" @default.
- W2055946600 title "Angular superresolution algorithm for frequency scanning array antennas" @default.
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- W2055946600 doi "https://doi.org/10.1109/radar.2013.6586118" @default.
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