Coprime beamforming: fast estimation of more sources than sensors - Baxter, William; Nosrati, Hamed; Aboutanios, Elias (IET radar, sonar & navigation, 2019)
Keywords: array signal processing; computational complexity; computational cost; coprime beamforming; coprime‐pair configuration; degrees of freedom; direction‐of‐arrival estimation; DOA; estimation performance; fast estimation; fast Fourier transform; fast Fourier transforms; fast iterative interpolated beamformer; FIIB; high‐fidelity frequency estimates; high‐resolution subspace‐based methods; interpolation; iterative methods; lag estimates; Research Article; sensing array; significant hardware computational savings; single estimate; source separation; spatial smoothing; subspace techniques; subspace‐based algorithms; virtual array; fast Fourier transforms; iterative methods; single estimate; coprime-pair configuration; subspace techniques; virtual array; direction-of-arrival estimation; high-resolution subspace-based methods; DOA; array signal processing; lag estimates; computational cost; degrees of freedom; subspace-based algorithms; VA; estimation performance; fast estimation; fast Fourier transform; source separation; spatial smoothing; interpolation; fast iterative interpolated beamformer; coprime beamforming; sensing array; FIIB; significant hardware computational savings; computational complexity; high-fidelity frequency estimates