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Harmonic nonlinear radar: from benchtop experimentation to short-range wireless data collection
Author(s): Gregory J. Mazzaro; Kelly D. Sherbondy
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Paper Abstract

Three successive experiments are conducted to determine the viability of using harmonic radar to detect electronic targets-of-interest. For the first experiment, the radar transmit signal is directly injected into the front-end of each target to determine whether or not the target is sufficiently nonlinear and will re-radiate harmonics that may be used for its detection. For the second experiment, the radar transmit signal is applied indirectly, in the form of field energy, to the target inside of a transverse-electromagnetic cell, to determine whether or not the target will generate its own field energy that may be captured by a radar receiver. The third experiment, constructed using a wideband radar antenna, confirms that each target is detectable remotely. In this paper, the experiments are demonstrated using four handheld radios and ultra-high frequencies (UHF). Modifying the experiments to accommodate different targets and lower/higher frequencies is straightforward. A list of best-practices for minimizing system-generated distortion (while adapting the authors’ experiments to new applications) is provided.

Paper Details

Date Published: 3 May 2019
PDF: 11 pages
Proc. SPIE 11003, Radar Sensor Technology XXIII, 110030F (3 May 2019); doi: 10.1117/12.2506028
Show Author Affiliations
Gregory J. Mazzaro, The Citadel-The Military College of South Carolina (United States)
Kelly D. Sherbondy, U.S. Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 11003:
Radar Sensor Technology XXIII
Kenneth I. Ranney; Armin Doerry, Editor(s)

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