31 May 2013 Demonstration of detection and ranging using solvable chaos
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Abstract
Acoustic experiments demonstrate a novel approach to ranging and detection that exploits the properties of a solvable chaotic oscillator. This nonlinear oscillator includes an ordinary differential equation and a discrete switching condition. The chaotic waveform generated by this hybrid system is used as the transmitted waveform. The oscillator admits an exact analytic solution that can be written as the linear convolution of binary symbols and a single basis function. This linear representation enables coherent reception using a simple analog matched filter and without need for digital sampling or signal processing. An audio frequency implementation of the transmitter and receiver is described. Successful acoustic ranging measurements are presented to demonstrate the viability of the approach.
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Ned J. Corron, Ned J. Corron, Mark T. Stahl, Mark T. Stahl, Jonathan N. Blakely, Jonathan N. Blakely, "Demonstration of detection and ranging using solvable chaos", Proc. SPIE 8714, Radar Sensor Technology XVII, 871406 (31 May 2013); doi: 10.1117/12.2016086; https://doi.org/10.1117/12.2016086
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