Analysis on the estimation of direction of arrival of a novel adaptive antenna

Jiang Ze; Du Huiping; Ruan Yingzheng

Volume 25 Issue 7

Jul. 2003

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Article Navigation > Journal of Electronics & Information Technology > 2003 > 25(7): 918-924

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Jiang Ze, Du Huiping, Ruan Yingzheng. Analysis on the estimation of direction of arrival of a novel adaptive antenna[J]. Journal of Electronics & Information Technology, 2003, 25(7): 918-924.

Citation:

Jiang Ze, Du Huiping, Ruan Yingzheng. Analysis on the estimation of direction of arrival of a novel adaptive antenna[J]. Journal of Electronics & Information Technology, 2003, 25(7): 918-924.

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Analysis on the estimation of direction of arrival of a novel adaptive antenna

Jiang Ze^{①②;杜惠平},
Du Huiping,
Ruan Yingzheng

Received Date: 2002-01-10
Rev Recd Date: 2002-08-29
Publish Date: 2003-07-19

Abstract

Abstract

The problem of estimating the Direction-Of-Arrival(DOA) of multiple source sig-nals far from the sensors using a novel adaptive antenna suggested by Du Huiping(1999) in the presence of spatially white Gaussian noise is addressed based on the Maximum Likelihood(ML) function approach. The effects of the Signal to Noise Ratio(SNR), snapshots and space of sen-sors are investigated. The statistical performance of ML estimators as well as the Cramer-Rao Bound(CRB) are analyzed. Comparison of the simulation results with the other articles shows the validity of the theoretical analysis.

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References(1)

References

J.A. Cadzow, A high resolution direction-of-arrival algorithm for narrow-band coherent and incoherent sources, IEEE Trans. on Acoust., Speech, Signal Processing, 1988, ASSP-36(7), 965-979.[2]Y. Meng, P. Stoica, K. M. Wong, Estimation of the direction of arrival of spatially dispersed signals in array processing, IEE Proc. Radar, Sonar Navig., 1996, 143(1), 1-9.[3]M. Agrawal, S. Prasad, Broadband DOA estimation using spatial-only modeling of array data,IEEE Trans. on Signal Processing, 2000, SP-48(3), 663-670.[4]武刚,杜惠平,李校林,用菲涅尔区聚焦多波束天线实现来波方向估计,电波科学学报,1999,14(3),341-346.[5]杜惠平,武刚,赵为粮,一种新型自适应天线的阵列输出特性分析,电子与信息学报,2001,23(8),778-784.[6]杜惠平,基于菲涅尔区修正结构的多波束自适应天线,电波科学学报,1999,14(1),116-120.[7]刘树德,罗景青,空间谱估计及其应用,合肥,中国科学技术大学出版社,1997,21-27.[8]P. Stoica.[J].A. Nchorai, Music, maximum likelihood and Cramer-Rao bound: Futher results and comparisons, Proc IEEE ICASSP89[C], Glasgow, Scotland.1989,:-

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