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Volume 30 Issue 2
Jan.  2011
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Su Bao-wei, Wang Yong-liang, Zhou Liang-zhu. A Novel Adaptive Pattern Control Method Based on LCMV[J]. Journal of Electronics & Information Technology, 2008, 30(2): 282-285. doi: 10.3724/SP.J.1146.2006.01030
Citation: Su Bao-wei, Wang Yong-liang, Zhou Liang-zhu. A Novel Adaptive Pattern Control Method Based on LCMV[J]. Journal of Electronics & Information Technology, 2008, 30(2): 282-285. doi: 10.3724/SP.J.1146.2006.01030

A Novel Adaptive Pattern Control Method Based on LCMV

doi: 10.3724/SP.J.1146.2006.01030
  • Received Date: 2006-07-13
  • Rev Recd Date: 2006-12-25
  • Publish Date: 2008-02-19
  • This paper describes a simple adaptive pattern control method based on Linearly Constrained Minimum Variance (LCMV). The quiescent pattern weights are imposed in constrain which make the overall beamformer sidelobe response equal the desired quiescent response and form nulls in the direction of interference at the same time. The sidelobe exhibits large ripples in condition of small training sample size and the diagonal loading method is combined with this method, which improve the convergence speed in sidelobe. The effectiveness of this new method is illustrated by a few designed examples.
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  • Bell K L and Van Trees H L. Adaptive and non-adaptivebeampattern control using quadratic beampatternconstraints, Proc. the 33rd Asilomar Conference on Signals,Systems and Computers, Pacific Grove, CA, 1999: 486-490.[2]Bell K L and Wage K E. Partially adaptive LCMVbeamforming with quadratic pattern constrains, Proc. 4thWorld Multiconference on Systemic, Cybernetics andInformatics (SCI2000), Orlando, FL, VI, 2000: 213-218.Bell K L, Van Trees H L, and Griffiths L J. Adaptivebeampattern control using quadratic constraints for circulararray STAP, Proc. 2000 Adaptive Sensor Array ProcessingWorkshop(ASAP 2000), MIT Lincoln Laboratory, Lexington,MA, 2000: 483-488.[3]Bell K L and Wage K E. Reduced rank space-time adaptiveprocessing with quadratic pattern constraints for airborneradar, Proc. the 37th Asilomar Conference on Signals,Systems and Computers, 2003: 807-811.[4]Tseng C Y and Griffiths L J. A unified approach to the designof linear constraint in minimum variance adaptivebeamformers[J].IEEE Trans. on Antenna Propagation.1992,40(12):1533-1542[5]Tseng C Y and Griffiths L J. A simple algorithm to achievedesired patterns for arbitrary arrays[J].IEEE Trans. on SignalProcessing.1992, 40(11):2737-2746[6]Carlson B D. Covariance matrix estimation errors anddiagonal loading in adaptive arrays[J].IEEE Trans. onAerospace and Electronics Systems.1988, 24(4):397-401[7]Zhou P and Ingram M. Pattern synthesis for arbitrary arraysusing an adaptive array method[J].IEEE Trans. on AntennaPropagation.1999, 47 (5):862-869[8]Shi Zhan and Feng Zhenghe. A new array pattern synthesisalgorithm using the two-step least-squares method[J].IEEESignal Processing Letters.2005, 12(3):250-253
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