The DOA Estimation Algorithm Based on a New Decoherence Method

Abstract:

Because of the deficiencies of the spatial smoothing algorithm, we put forward a new decoherence method which overcomes the shortcomings. The coherent signal is estimated by DOA and compared with the spatial smoothing algorithm it has more advantage. The method does not lose array effective aperture while the spatial smoothing algorithm method will lose array effective aperture. It also avoids the high consistency requirement of the subarray. The simulation results by MATLAB show that the algorithm can effectively analysis the coherent signal.

• Periodical: Advanced Materials Research (Volume 660)
• Pages: 179-183
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.660.179
• Online since: February 2013
• Authors: Yu Liang Cong, Wei Jue Zhao, Guang Xu Yin, Chen Long Zhao
• Keywords: Direction of Arrival (DOA) Estimation, New Decoherence Method, Spatial Smoothing Algorithm

References

[1] Cadzow J A. A high resolution direction-of-arrival algorithm for narrow-band coherent and incoherent sources. IEEE Trans. On ASSP, 1988, 36(7): 965-979.

DOI: 10.1109/29.1618

[2] Wu Yun-tao , Liao Gui-sheng , Zhang Guang-bin. A novel method for estimating DOA in the presence of spatially nonstationary noise fields, Journal of Xidian University, Vo1. 30, 2003, No. 1.

[3] Chen Hui, Wang Yong-Liang. The Frame of Spatial Spectrum and Simulation [J] . Journal of Systems Engineering and Electronics, 2001, 23(8)：76-79.

[4] Schmidt R O. Multiple emitter location and signal parameter estimation [J]. IEEE Trans. 1986, AP-34(3): 276-280.

DOI: 10.1109/tap.1986.1143830

[5] Wang Yong-Liang, Chen Hui, Peng Ying-Ning, Wan Qun. The Theory of Spatial Spectrum and Algorithm[M] . Tsinghua University Press. 2004: 18 ~21.

[6] Xu You-Gen, Liu Zhi-Wen. A New Method for Simultaneous Estimation of Frequency and DOA of Emitters. Chinese Journal of Electronic, 2001, 29(9): 1179-1182.

DOI: 10.1109/icr.2001.984835

[7] Roy R, Paulraj A, Kailath T. Comparative performance of ESPRIT and MUSIC for direction-of-arrival estimation. In proc. 20th Asilomar Conf. Circuits, Syst. Computation, Asilomar. CA, 1987, 12: 2344-2347.

DOI: 10.1109/icassp.1987.1169322

[8] Wu Yi-Feng, Cong Yu-Liang. DOA Estimation of Coherent Resources Based on Toeplitz Matrix Reconstruction [J] , Electronics Optics&Control, 2010(4).

[9] Wang Bu-Hong, Wang Yong-Liang, Chen Hui. A Novel Genetic Approach to DOA Estimation of Coherent Sources Based on Weighted Spatial Smoothing and Toeplitz Matrix Fitting, 2003, 31(9)：1394~1397.

DOI: 10.1109/aps.2003.1219842

[10] Liu Shu-De, Luo Jing-Qing, Zhang Jian-Yun. Spatial Spectrum Estimation and Application [M]. University of Science and Technology of China Press. (1997).

[11] Roy R, Paulraj A, Kailath T. Comparative performance of ESPRIT and MUSIC for direction-of-arrival estimation. In proc. 20th Asilomar Conf. Circuits, Syst. Computation, Asilomar. CA, 1987, 12: 2344-2347.

DOI: 10.1109/icassp.1987.1169322