DocumentCode
2279265
Title
Effects of amplifier nonlinearities on DOA estimation
Author
Yin, J. ; Lu, Y. ; Ng, B.P.
Author_Institution
Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore
fYear
2000
fDate
2000
Firstpage
173
Lastpage
176
Abstract
This article presents the study of the nonlinear effects of amplifier gain compression and intermodulation on the accuracy of direction of arrival (DOA) in a digital array receiving system. Based on analysis and realistic computer simulation, it is shown that the gain compression has little effect on DOA estimation but the third-order intermodulation may significantly degrade DOA estimation
Keywords
adaptive antenna arrays; array signal processing; direction-of-arrival estimation; intermodulation distortion; radiofrequency amplifiers; receiving antennas; DOA estimation; amplifier nonlinearities; computer simulation; digital array receiving system; direction of arrival estimation; gain compression; third-order intermodulation; Adaptive arrays; Antenna arrays; Array signal processing; Direction of arrival estimation; Gain; Linear antenna arrays; Radio frequency; Radiofrequency amplifiers; Receiving antennas; Signal processing algorithms;
fLanguage
English
Publisher
ieee
Conference_Titel
Phased Array Systems and Technology, 2000. Proceedings. 2000 IEEE International Conference on
Conference_Location
Dana Point, CA
Print_ISBN
0-7803-6345-0
Type
conf
DOI
10.1109/PAST.2000.858934
Filename
858934
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