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The Lamb wave approach in Structural Health Monitoring (SHM) mainly cares the defects detection. It relies on the analysis of signals for physical propagation. In this paper, a sparse representation approach for modeling the signal scattering in discretized monitoring area is proposed. The overcomplete dictionary can be determined explicitly by the Lamb wave propagation theory with columns reflecting...
In this paper, we consider a method to solve the device-free localization (DFL) problem that is able to detect spatial obstruction via wireless network. A dictionary learning approach with difference of convex (DC) programming and DC algorithm is proposed to indicate target location based on learning data. By measuring the variation in the received signal strength of the wireless links indicating...
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