Abstract
In this paper, we devise a novel cylindrical conformal array, termed cylindrical distributed coprime conformal array (CDCCA), for two-dimensional (2-D) direction-of-arrival (DOA) and polarization estimation. The proposed CDCCA avoids the lag redundancies between two adjacent linear subarrays of cylindrical conformal array, and increases the unique lags number in its difference coarray. Moreover, it provides a larger array aperture than the exiting cylindrical conformal arrays under the same number of sensors. Therefore, the CDCCA configuration can resolve a larger number of sources and provide a higher estimation accuracy. Numerical results demonstrate its superiority in comparison to several existing conformal arrays.
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