發(fā)射自適應(yīng)波束形成技術(shù)研究
Research on radiation adaptive beam-forming techniques
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摘要: 在天線陣發(fā)射波束時(shí)進(jìn)行方向圖零點(diǎn)控制是現(xiàn)代雷達(dá)采用的先進(jìn)技術(shù)之一，該文分析了一種唯相位共軛梯度自適應(yīng)于擾置零算法，并詳細(xì)敘述了我們研制的基于TMS320C31的雷達(dá)自適應(yīng)干擾對(duì)零陣列處理實(shí)驗(yàn)系統(tǒng)。理論分析和實(shí)驗(yàn)結(jié)果均表明系統(tǒng)能有效置零抑制干擾、是一種實(shí)用性強(qiáng)的系統(tǒng)。Abstract: It is one of advanced technologies used in modern radar that control nulls of the beam-pattern when array antenna radiates beams. This paper describes a phase-only conjugate gradient adaptive nulling method and the experimental radar adaptive nulling array processing system based on TMS320C31. Theoretical analysis and experimental results all show that the system is useful and practical.
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F.R. Castella, J. R. Kuttler, Optimised array antenna nulling with phase-only control, IEE Proc.-F, 1991, 138(3), 241-246.[2]H. Steyskal, Simple method for pattern hulling by phase perturbation, IEEE Trans. on Antennas and Propagation, 1983, AP-31(1), 163-166.[3]S.T. Smith, Optimum phase-only adaptive nulling, IEEE Trans. on Signal Processing, 1999,47(7), 1835-1843.[4]Pi Sheng Chang, A. N. Willson, Jr., Analysis of conjugate gradient algorithms for adaptive filtering, IEEE Trans. on Signal Processing, 2000, 48(2), 409-418.[5]H. Steyskal, R. A. Shore, R. L. Haupt, Methods for null control and their effects on the radiation pattern, IEEE Trans. on Antennas and Propagation, 1986, 34(3), 404-409[6]H. Steyskal, Digital beamforming at ROME laboratory, Microwave Journal, 1996(2), 100-126. -
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