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A simple, low-computation peak detection algorithm for the angle-of-arrival spectrum for signal subspace methods

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1 Author(s)
Judd, M.D. ; E-Systems Inc., Greenville, TX

The array manifold, which is a collection of array steering vectors associated with k calibrated directions of arrival, is a commonality for the class of signal subspace methods. In actual direction finding (DF) systems, the array manifold (calibration table) is usually generated by measurements in a noisy environment. Subsequently, the resulting angle-of-arrival (AOA) spectrum, corresponding to as-yet-undetermined signal directions, may be coarse rather than smooth. This results in a costly computational search for the desired peaks. A simple, low-computation solution to determining the true signal peaks for the AOA spectrum is presented

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:28 ,  Issue: 4 )