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

Author

Li, Jian ; Compton, R.T., Jr.

Author_Institution

Dept. of Electr. Eng., Florida Univ., Gainesville, FL, USA

Volume

30

Issue

1

fYear

1994

fDate

1/1/1994 12:00:00 AM

Firstpage

126

Lastpage

134

Abstract

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

Keywords

Doppler effect; antenna arrays; antenna theory; array signal processing; parameter estimation; signal detection; Doppler frequency shifts; ESPRIT; adjustable parameter; angle of arrival estimation; array doublet; coherent signals; doubler; estimation of signal parameters; performance analysis; relational invariance techniques; single pair of antennas; Covariance matrix; Decorrelation; Degradation; Frequency; Frequency estimation; Motion estimation; Multiple signal classification; Parameter estimation; Performance analysis; Sensor arrays; Smoothing methods;

fLanguage

English

Journal_Title

Aerospace and Electronic Systems, IEEE Transactions on

Publisher

ieee

ISSN

0018-9251

Type

jour

DOI

10.1109/7.250413

Filename

250413