Low-Cost and Accurate Broadband Beamforming Based on Narrowband Sub-Arrays

机译：基于窄带子阵列的低成本，精确的宽带波束形成

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Simplified broadband beamformers can be constructed by sharing a single tapped-delay-line within a narrowband subarray. This paper discusses the use of fractional delay filters to a steering in the digital domain. For the narrowband subarrays, an optimisation approach is proposed to maintain an off-broadside look direction constraint as best as possible across a given frequency range. We demonstrate the advantage that this approach has for generating beamformers with accurate off-broadside look direction compared to a benchmark.

机译：可以通过在窄带子阵列中共享一条抽头延迟线来构造简化的宽带波束形成器。本文讨论了分数延迟滤波器在数字领域中的应用。对于窄带子阵列，提出了一种优化方法，以在给定的频率范围内保持最佳的越野观察方向约束。我们证明了与基准相比，该方法具有生成具有准确的非广角外观方向的波束形成器的优势。

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《International ITG Workshop on Smart Antennas》|2016年|1-6|共6页
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Abdullah Alshammary; Stephan Weiss;
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Low-Cost and Accurate Broadband Beamforming Based on Narrowband Sub-Arrays

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