A beamforming method in UWB pulse array based on neural network

被引：0
|
作者：
Wang, M [1 ]
Yang, SY [1 ]
Wu, SJ [1 ]
机构：
[1] Xidian Univ, Natl Lab Radar Signal Proc, Dept Elect Engn, Xian 710071, Peoples R China
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the principles and algorithm of array beamforming based on a realistic ultrawide-band (carrier free) pulse signal model is discussed firstly. Then an UWB pulse array beamforming method based on a radial basis function (RBF) neural network is presented. It can compensate the propagation delays accurately in each channel and form a narrow directivity beam in a desired direction. Compared with the method of employing FIR filter for delay steering in wideband beamforming, the RBF approach has its advantage in achieving arbitrary array response. The simulation results show that the beam formed by RBF has high gain main and very low sidelobe, in addition to rapid and accurate processing for the high parallelism and mapping ability of the neural network.
引用
收藏
页码：3946 / 3949
页数：4
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