Coherence effects of the interference on the performance of optimum/adaptive beamformer

Author

Serebryakov, G.V. ; Sidorovitch, D.V. ; Mecklenbraeuker, C.

Author_Institution

Inst. of Appl. Math. Cybern., Nizhny Novgorod, Russia

Volume

5

fYear

1995

fDate

9-12 May 1995

Firstpage

3631

Abstract

We present an analysis of the interference coherence effects on the performance of an antenna array processor, which maximizes the output signal-to-noise ratio (SNR) for a coherent wave. The analytical expression for the optimal weight vector, directional pattern and output SNR is derived as a function of the coherence coefficient, interference power and parameters of the adaptive processor. We show how different models of interference coherence affect the array performance. Finally, to illustrate the theory, several numerical results are given

Keywords

adaptive antenna arrays; array signal processing; interference suppression; SNR; antenna array processor; coherence coefficient; coherent wave; directional pattern; interference coherence effects; interference power; numerical results; optimal weight vector; optimum/adaptive beamformer; output SNR; output signal-to-noise ratio; Acoustic propagation; Adaptive arrays; Apertures; Array signal processing; Coherence; Degradation; Interference; Pattern analysis; Sensor arrays; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on

Conference_Location

Detroit, MI

ISSN

1520-6149

Print_ISBN

0-7803-2431-5

Type

conf

DOI

10.1109/ICASSP.1995.479773

Filename

479773