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A Generalized Transfer-Function Based Array Calibration Technique for Direction Finding

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1 Author(s)
Mir, H.S. ; Massachusetts Inst. of Technol., Lexington

This correspondence studies direction finding on sources of electromagnetic energy using a passive sensor array whose manifold is only nominally known. The problem of direction finding is studied in the context of an array that can observe a ground-based source from multiple angles, such as an airborne system. An array calibration technique utilizing multiple calibration matrices with angle dependent corrections is developed. Results on experimental data and comparisons with other array calibration techniques are shown to verify the efficacy of the proposed technique.

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Signal Processing, IEEE Transactions on  (Volume:56 ,  Issue: 2 )