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In this paper, an ultra-wideband Structural Health Monitoring (SHM) system based on DORT time reversal signal processing method is designed and implemented. The system is able to alleviate the channel dispersions by backpropagating the time reversed signal by means of the exact cylindrical Green's function. The SHM system uses four ultra-wideband quasi-Yagi antennas to excite a hollow metal pipe....
We have designed and implemented a structural health monitoring (SHM) system to detect and localize multidefects in semi-infinite cylindrical metal pipelines simultaneously. The system utilizes electromagnetic decomposition of the time-reversal operator (known under French acronym DORT) signal processing method. The magnificent performance of the DORT detector against signal-to-noise ratio (SNR),...
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