A mode-switchable continuous wave (CW) and frequency modulated CW (FMCW), photonic radar system with associated signal processing, and artificial intelligent (AI)-based classification algorithms are the need of the hour to accurately detect and classify today's low-altitude slow-speed and smaller size (LSS) targets. We have designed a mode-switchable X-band photonic radar system, whose capabilities are verified with the proposed range/body-Doppler/micro-Doppler imaging techniques and an AI-based classifier; operating six different LSS targets (front-propeller, small-top rotor, big-top rotor, bionic-bird, tiny-helicopter + bionic-bird, and quadcopter). The respective open-field experimental results are discussed/analyzed in terms of detection beat-frequency, range–time map, and range–velocity images in the FMCW mode while the frequency–time images and AI-based six-classes classifications in the CW mode. The obtained results proved that, with the support of designed X-band photonic radar system and proposed signal processing and classification techniques/algorithms, we could able to achieve the $ 0.1$ m spatial resolution with the classification accuracy of 98.5%.


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    Title :

    A Mode-Switchable Photonic Radar System for Aerial LSS Targets Detection and Classification


    Contributors:


    Publication date :

    2025-04-01


    Size :

    2931663 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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