A Beam Domain Selection Method Based on the Conventional Beam Forming

Abstract:

Beam forming technology is an important content in the study of underwater target positioning, can directly use beam forming technology to identify the target direction, but can be by beam forming of target signal enhancement, and then to deal with the enhanced signal. No matter how to apply, beam forming technique can be regarded as a weighted sum of signal delay processing, its purpose is to form a beam and the scan to a specific direction. Based on uniform linear array as the example, this paper first of all, the simulation analysis of conventional beam forming technology direction scanning accuracy and array element spacing, number of array element, the relationship between the signal frequency; Then by analyzing grid scanning beam spatial distribution of power spectrum and the quantitative relationship between linear arrays, studying a selection method is suitable for the engineering application of fast beam domain, high precision and fast direction to estimate.

• Periodical: Applied Mechanics and Materials (Volumes 644-650)
• Pages: 4663-4667
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.644-650.4663
• Online since: September 2014
• Authors: Li Zhi Jiang*
• Keywords: Beam Forming, Direction Estimation, Frequency Domain, Time Domain

References

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