Abstract
A metallic cylinder is one of the best materials and shapes to calibratingradar system performance. In addition toits reflective properties, metallic cylindersallow foraccurate modeling for prediction of radar cross-section (RCS). This study presents themeasurement of a metallic cylinder with a diameter of 4cm and a height of 3cm as a target,analyzedinthe millimeter-wave (mm-wave) spectrum. Theexperiment was conducted in thereal airport environment at Kuala Lumpur International Airport, Malaysia, underclear sky conditions. The measurement was carried out at 93.1 GHz utilizing aFrequency Modulated Continuous Wave (FMCW) radar to consistently detect the target. TheRCSof the metallic cylinder wasmeasured at differentangles relative to therunway pavement. The results showed that the measurements exhibited smaller RCS value at longer ranges, with an average of –43.47 dBsm,compared to –30.16 dBsm at shorter ranges,indicating a total change of 13.31 dBsm. The reflectivity characteristics of the radar target, theoretical measurementsof the metallic cylinder, incident anglesfrom the radar target, and measurement evaluationsare presented in this paper.
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