Abstract
The principles of operation of the advanced resonant-reflectometric method for detecting GPS trackers and its advantages are described. It is shown that the detection of the re-radiated signal depends on parameters such as the power level and duration of the probing pulses, the frequencies of the probing pulses relative to the resonance frequency of the GPS tracker's input tract; the quality factor of the GPS tracker's input tract and the distance from the scanning antenna to the GPS tracker. A block diagram for experimental validation and determination of the optimal parameters for detecting the re-radiated signal is proposed, and a component base for its implementation is selected. A prototype module of a hardware-software complex based on the resonant-reflectometric method has been developed. The obtained experimental data confirmed the viability of the resonant-reflectometric method for detecting GPS trackers.
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