The 2-D null preprocessing music algorithm for wide-band signals with uniform circular arrays

He Minghao; Li Yingdong; Zhang Xianda

Volume 24 Issue 11

Nov. 2002

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Article Navigation > Journal of Electronics & Information Technology > 2002 > 24(11): 1470-1474

He Minghao, Li Yingdong, Zhang Xianda. The 2-D null preprocessing music algorithm for wide-band signals with uniform circular arrays[J]. Journal of Electronics & Information Technology, 2002, 24(11): 1470-1474.

Citation:

He Minghao, Li Yingdong, Zhang Xianda. The 2-D null preprocessing music algorithm for wide-band signals with uniform circular arrays[J]. Journal of Electronics & Information Technology, 2002, 24(11): 1470-1474.

Citation:

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The 2-D null preprocessing music algorithm for wide-band signals with uniform circular arrays

He Minghao^{①②;李膺东},
Li Yingdong,
Zhang Xianda

Received Date: 2001-05-24
Rev Recd Date: 2001-11-29
Publish Date: 2002-11-19

Abstract

Abstract

Based on UCA-RB-MUSIC algorithm(Mathews, et al., 1994) and 1-D null preprocessing algorithm (Wei Ping, et al, 1996), a 2-D UCA MUSIC algorithm for wide-band sources with arbitrary spatial null response is presented. The computer simulations indicate that the spatial wide-band interference can be suppressed exactly, the high precision and high resolution of UCA-RB-MUSIC algorithm is maintained, and the computational burden is reduced.

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References(1)

References

C.P. Mathews, M. D. Zoltowski, Eigenstructure techniques for 2-D angle estimation with uniform circular arrays, IEEE Trans. on SP, 1994, 42(9), 2395-2407.[2]M.D. Zoltowski, G. M. Kautz, S. D. Silverstein, Beamspace root-MUSIC, IEEE Trans. on SP,1993, 41(1), 344-364.[3]魏平,肖先赐,任意设置空间零点的测向方法,电子科技大学学报,1996,25(1),6-10.[4]H.B. Lee, M. S. Wengrovitz, Resolution threshold of beamspace MUSIC for two closely spaced emitters, IEEE Trans ASSP, 1990, 38(9), 1545-1559.[5]A.J. Weiss, B. Friedlander, Preprocessing for direction-finding with minimal variance degradation IEEE Trans. on SP, 1994, 42(6), 1478-1485.

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