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29 May 2014 Stepped-frequency nonlinear radar simulation
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Abstract
RF electronic targets cannot be detected by traditional linear radar because their radar cross sections are much smaller than that of nearby clutter. One technology that is capable of separating RF electronic targets from clutter, however, is nonlinear radar. Presented in this paper is a combination of stepped-frequency ultra-wideband radar with nonlinear detection. By stepping the transmit frequency across an ultra-wide bandwidth and recording the amplitude and phase of the harmonic return signal, a nonlinear frequency response of the radar environment is constructed. An inverse Fourier transform of this response reveals the range to a nonlinear target.
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Gregory J. Mazzaro, Kyle A. Gallagher, Anthony F. Martone, and Ram M. Narayanan "Stepped-frequency nonlinear radar simulation", Proc. SPIE 9077, Radar Sensor Technology XVIII, 90770U (29 May 2014); https://doi.org/10.1117/12.2053168
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