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12 August 2004 On spatial resolution of quasi-optical focal plane antenna array imagers
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The spatial resolution of millimeter wave (MMW), submillimeter wave (SMMW) and infrared (IR) quasi-optical imagers based on the usage of focal plane antenna arrays (FPAA) is limited by several common factors. Analytical expressions for the point spread functions (PSF) of FPAA imagers are derived for both coherent and spatially incoherent imaging. The possibility of developing advanced super-resolution imaging algorithms using PSFs determined to a high accuracy is discussed.
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Leonid Victorovich Volkov, Alexander Ivanovich Voronko, and Natalie Leonidovna Volkova "On spatial resolution of quasi-optical focal plane antenna array imagers", Proc. SPIE 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII, (12 August 2004);

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