Perturbation Analysis of Gain and Phase Error Calibration for Uniform Linear Array with Optimal Algorithms

Li You-ming; Wang Rang-ding; Wen Hua-feng

doi:10.3724/SP.J.1146.2005.01611

Volume 29 Issue 7

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Li You-ming, Wang Rang-ding, Wen Hua-feng. Perturbation Analysis of Gain and Phase Error Calibration for Uniform Linear Array with Optimal Algorithms[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1653-1656. doi: 10.3724/SP.J.1146.2005.01611

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Li You-ming, Wang Rang-ding, Wen Hua-feng. Perturbation Analysis of Gain and Phase Error Calibration for Uniform Linear Array with Optimal Algorithms[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1653-1656. doi: 10.3724/SP.J.1146.2005.01611

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Perturbation Analysis of Gain and Phase Error Calibration for Uniform Linear Array with Optimal Algorithms

doi: 10.3724/SP.J.1146.2005.01611

Received Date: 2005-12-13
Rev Recd Date: 2006-07-27
Publish Date: 2007-07-19

Abstract

Abstract

The gain and phase error calibration for Linear Equi-spaced Arrays (LEA) is considered in this paper. The analysis of the covariance matrix perturbation along different diagonal lines due to finite snapshot is first considered, and an apparent formula for the variance of the gain and phase perturbations along different diagonal lines is derived. This result reveals that the statistics analyses of the perturbation along different diagonal lines are different. Based on this analytic result, it is found out that the optimal gain and phase error calibration methods are respectively based on main diagonal line and the first upper diagonal line. Computer simulation results verified the analyses.

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References(1)

References

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