DOA Estimation of Ocean Currents Based on Multi-Stage Wiener Filter

An Zhi-juan; Su Hong-tao; Bao Zheng

doi:10.3724/SP.J.1146.2006.00615

Volume 29 Issue 6

Jan. 2011

Turn off MathJax

Article Contents

Article Navigation > Journal of Electronics & Information Technology > 2007 > 29(6): 1429-1432

An Zhi-juan, Su Hong-tao, Bao Zheng. DOA Estimation of Ocean Currents Based on Multi-Stage Wiener Filter[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1429-1432. doi: 10.3724/SP.J.1146.2006.00615

Citation:

An Zhi-juan, Su Hong-tao, Bao Zheng. DOA Estimation of Ocean Currents Based on Multi-Stage Wiener Filter[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1429-1432. doi: 10.3724/SP.J.1146.2006.00615

Citation:

PDF( 274 KB)

DOA Estimation of Ocean Currents Based on Multi-Stage Wiener Filter

doi: 10.3724/SP.J.1146.2006.00615

An Zhi-juan^{①②;苏洪涛},
Su Hong-tao,
Bao Zheng

Received Date: 2006-05-08
Rev Recd Date: 2007-01-30
Publish Date: 2007-06-19

Abstract

Abstract

In this paper the Multi-Stage Wiener Filter (MSWF) is presented for the DOA estimation of ocean currents. For echoes scattered from ocean waves with the same velocity of flow and in the same range bin are partially correlated, first the spatial smoothing technique is applied to the measured data to remove the correlation of signal, then the signal subspace and noise subspace can be obtained by the recursive algorithm instead of the estimation and eigen-decomposition of covariance matrix, therefore the computation complexity can be reduced remarkably, which is necessary for the real time system. Finally by analyzing the measured data, it is shown that this method can detect the currents efficiently and effectively.

FullText(HTML)

References(1)

References

Schmidt R O. Multiple emitter location and signal parameter estimation[J].IEEE Trans. on Antennas Propagation.1986, 34(3):276-280[2]杨绍麟, 柯亨玉, 侯杰昌. OSMAR2000基于MUSIC 的超分辨率海洋表面流算法. 武汉大学学报(理学版), 2001, 47(5): 601-608. Yang Shao-li , Ke Heng-yu, and Hou Jie-chang. Super resolution ocean surface current algorithm based on MUSIC for OSMAR2000. J. Wuhan Univ. (Nat. Sci. Ed.), 2001, 47(5): 601-608.[3]Goldstein J S, Reed I S, and Scharf L L. A multistage representation of the Wiener filter based on orthogonal projections[J].IEEE Trans. on Inform. Theory.1998, 44(7):2943-2959[4]Honig M L, Goldstein J S, and Reed I S. Adaptive reduced-rank interference suppression based on the multistage Wiener filter[J].IEEE Trans. on Communications.2002, 50(6):986-994[5]Crombie D D. Doppler spectrum of sea echo at 13[J].56 Mc/s. Nature.1955, 175:681-682[6]Barrick D E. First-order theory and analysis of MF/HF/VHF scatter from the sea[J].IEEE Trans. on Antennas Propagation.1972, 20(1):2-10[7]Ricks D Cand Goldstein J S. Efficient architectures for implementing adaptive algorithms. Proceedings of the 2000 Antenna Applications Symposium, Allerton Park, Monticello, Illinois, 2000: 29-41.[8]黄磊, 吴顺君, 张林让等. 快速子空间分解方法及其维数的快速估计. 电子学报, 2005, 33(6): 977-981. Huang Lei, Wu Shun-jun, and Zhang Lin-rang, et al.. A fast method for subspace decomposition and its dimension estimation. Acta Electronica Sinica, 2005, 33(6): 977-981.[9]杨绍麟, 柯亨玉, 侯杰昌等. OSMAR2000超分辨率海流算法中空间信号源数的确定. 武汉大学学报(理学版), 2001, 47(5): 609-613. Yang Shao-lin, Ke Heng-yu, Hou Jie-chang, et al.. Determination of signal number in super-resolution ocean surface current algorithm of OSMAR2000. J. Wuhan Univ. (Nat. Sci. Ed.), 2001, 47(5) : 609-613.[10]强勇, 焦李成, 保铮. 高频地波雷达海洋表面流方位的超分辨估计. 西安电子科技大学学报(自然科学版), 2005, 32(1) : 75-79. Qiang Yong, Jiao Li-cheng, and Bao Zheng. Super-resolution estimation of the ocean surface current for the HF ground wave radar. J. Xidian Univ. (Nat. Sci. Ed.), 2005, 32(1): 75-79.[11]Shan T J, Wax M, and Kailath T. On spatial smoothing for direction of arrival estimation of coherent signals[J].IEEE Trans. on Acoust., Speech, Signal Processing.1985, 33(4):806-811

Relative Articles

Supplements(0)

Cited By

Proportional views