A broadband focused MVDR beamformer for use with short observation times

Tang Hui, Zhang Ye, Jin Ming, Zhao Yinan
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引用次数: 1

Abstract

A focused minimum variance distortionless (MVDR) beamformer for broadband adaptive beamforming is formulated and contrasted with the conventional beamformer. The proposed beamformer involves a preprocessor that focuses the signal spaces at different frequencies to a common one and an MVDR beamformer as the narrowband beamformer following the pre-processor. The merits that result as a consequence are improved computational efficiency of focusing and adaptivity and high beamforming resolution of MVDR with short observation times.
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用于短观测时间的宽带聚焦MVDR波束形成器
提出了一种用于宽带自适应波束形成的聚焦最小方差无失真波束形成器,并与传统波束形成器进行了对比。所提出的波束形成器包括一个将不同频率的信号空间聚焦到共同频率的预处理器和一个MVDR波束形成器作为窄带波束形成器跟随预处理器。其优点是提高了MVDR的聚焦和自适应计算效率,提高了观测时间短的波束形成分辨率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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