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Volume 22 Issue 1
Jan.  2000
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Wang Huigang, Zhang Baosong, Ma Yuanliang. DESIGN AND SIMULATION OF BEAMFORMER WITH CONSTANT BEAMWIDTH[J]. Journal of Electronics & Information Technology, 2000, 22(1): 42-47.
Citation: Wang Huigang, Zhang Baosong, Ma Yuanliang. DESIGN AND SIMULATION OF BEAMFORMER WITH CONSTANT BEAMWIDTH[J]. Journal of Electronics & Information Technology, 2000, 22(1): 42-47.

DESIGN AND SIMULATION OF BEAMFORMER WITH CONSTANT BEAMWIDTH

  • Received Date: 1998-06-01
  • Rev Recd Date: 1999-01-02
  • Publish Date: 2000-01-19
  • Wideband beamforming with constant beamwidth is one of the key problems in array signal processing. In this paper, a method based on uniform sidelobe is given. And the frequency response needed to realize constant beamwidth for subband components of the signal is computed and filter with FIR filters. This method is suitable for uniform linear array, and is also effective when the element has its own pattern or when its location is inaccurate. Computer simulation shows the feasibility of this method.
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  • Stegen R J.Excitation coefficients and beamwidths of Tschebysheff arrays. Proc IRE,1953.41:1671-1674.[2]Ward D B,Kennedy R A,Theory and design of broadband sensor arrays with frequency invariant far-field beam pattern, J. Acoust. Soc Amer.,1995,97(2):1023-1034.[3]马远良.任意给定形状传感器阵方向图的最佳化.中国造船,1984:(4):78-84[4]Olen C A, Compton R T.A numerical pattern synthesis algorithm for arrays.IEEE Trans,on AP,1990,AP-38(10):1666-1676.[5]李贵斌.声呐基阵设计原理,北京:海洋出版社,1989,205-290[6]Widrow B.Sterns S D著,王永德,龙宠惠译,自适应信号处理,成都:四川大学出版社,1989,第九章.
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