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Angle of arrival estimation of coherent signals using an array doublet in motion

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2 Author(s)
Jian Li ; Dept. of Electr. Eng., Florida Univ., Gainesville, FL, USA ; Compton, R.T., Jr.

Shown here is how the estimation of signal parameters via relational invariance techniques (ESPRIT) algorithm may be used with a single pair of antennas in motion to estimate angles of arrival (AOA) for coherent signals. The approach exploits the Doppler frequency shifts caused by the doubler in motion. With this estimator, the number of signals that can be handled is not limited by the size of the array, as in the usual ESPRIT application, but by an adjustable parameter. A theoretical performance analysis of the estimator and typical examples showing the use of this estimator are given

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:30 ,  Issue: 1 )