Azimuth and Elevation Estimation With Rotating Long-Baseline Interferometers
作者： Zhang-Meng Liu , Fu-Cheng Guo
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摘要: The performance of most multi-channel 2-D direction-of-arrival (DOA) estimation array systems are very sensitive to various model imperfections, while static single-channel interferometers can only realize 1-D direction estimation, and they have to trade off between the DOA estimation precision and the non-ambiguity scope. This paper establishes a system framework for 2-D DOA estimation with a phase-only rotating long-baseline interferometer (RLBI), whose baseline is much longer than the signal wavelength. The RLBI collects …
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