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High-resolution small-aperture angle of arrival detection using nonlinear analog processing
Popovic, Z.; Walsh, C.; Matyas, P.; Dietlein, C.; Anderson, D.Z.;
Microwave Symposium Digest, 2004 IEEE MTT-S International
Volume 3,
6-11 June 2004
Page(s):1749
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1752 Vol.3
Abstract:
This paper presents a method for obtaining increased functionality in a small antenna array by adding analog nonlinear processing to the receiver circuit. As an example, high-resolution angle-of-arrival detection using a small aperture antenna is presented. In specific, a two-element patch antenna array with a measured directivity equivalent to that of a 5-element array is demonstrated at 2GHz using off-the-shelf components and nonlinear transmission lines for pulse compression.
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