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2015 | OriginalPaper | Buchkapitel

58. Direction of Arrival Estimation of Two Wide-Band Sources with a Four-Element Planar Cross Array Based on Three Algorithms

verfasst von : Xiaojuan Bai, Yong Shen, Hui Yang, Yansheng Liu, Hongqiang Wang, Xiao Hu

Erschienen in: Proceedings of the Second International Conference on Mechatronics and Automatic Control

Verlag: Springer International Publishing

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Abstract

The acoustic signal of a very low-flying armed helicopter is mainly characterized with a low-frequency and wide-band signal. In this chapter, the beam-space coherent signal-subspace method (BSCSM) is studied with a small size four-element planar cross array. This array is applied to the orientation of two wide-band sources, and its performance is analyzed. The BSCSM, incoherent signal-subspace method (ICSM), and coherent signal-subspace method (CSM) are employed to estimate sources’ directions of arrival (DOAs). Simulation results show that BSCSM shows best performance among the three algorithms, and the CSM shows performance which is better than the ICSM does in the acoustic passive direction estimate of two wide-band sources in the far-field environment with a small size four-element planar cross array.

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Metadaten
Titel
Direction of Arrival Estimation of Two Wide-Band Sources with a Four-Element Planar Cross Array Based on Three Algorithms
verfasst von
Xiaojuan Bai
Yong Shen
Hui Yang
Yansheng Liu
Hongqiang Wang
Xiao Hu
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-13707-0_58

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