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A novel 2-D DOA estimation algorithm of multiple wideband LFM signals is proposed which can be applied to arbitrary planar array. Based on the energy concentration property of LFM signal in fractional Fourier domain, a new array data model is constructed. By using the generalized rotation matrix defined between subarrays, the conventional ESPRIT algorithm is revised, and hence achieves the 2-D DOA...
A novel DOA estimation algorithm of wideband LFM signals is proposed which can be applied to nonuniform linear array. Based on the FrFT, the algorithm first establishes the array data model in fractional Fourier domain, and then defines the generalized rotation matrix between subarrays according to the time delay between different array elements. By using the generalized rotation matrix, the conventional...
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