Harmonic nonlinear radar:  from benchtop experimentation to short-range wireless data collection

Gregory J. Mazzaro; Kelly D. Sherbondy

doi:10.1117/12.2506028

3 May 2019 Harmonic nonlinear radar: from benchtop experimentation to short-range wireless data collection

Gregory J. Mazzaro, Kelly D. Sherbondy

Proceedings Volume 11003, Radar Sensor Technology XXIII; 110030F (2019) https://doi.org/10.1117/12.2506028
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

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.

Conference Presentation

Citation Download Citation

Gregory J. Mazzaro and Kelly D. Sherbondy "Harmonic nonlinear radar: from benchtop experimentation to short-range wireless data collection", Proc. SPIE 11003, Radar Sensor Technology XXIII, 110030F (3 May 2019); https://doi.org/10.1117/12.2506028

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