This poster investigates the use of a phase-based, Dual-Frequency Continuous-Wave (DFCW) and Continuous- Wave (CW) composite radar for RF backscatter ranging. Several data fusion algorithms are studied and their performances compared. The experimental results show that, in strong line-of-sight environments, accurate, unambiguous ranging results can be achieved by the DFCW/CW composite ranging technique, based on a proper data fusion algorithm.
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