12 May 2016 94 GHz pulsed coherent radar for high power amplifier evaluation
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We present the design and characterization of a 94 GHz pulsed coherent radar to be used for the evaluation and demonstration of novel wideband, high power vacuum tube amplifier technology. The radar is designed to be fully coherent and exploits a low phase noise architecture to maximize Doppler performance. We selected to use horn-fed Fresnel zone plate lens antennas (FZPs) with 4-level phase quantization as a low cost method of realizing large aperture (0.5 m) antennas. The measured performance of these FZPs agrees closely with the design predictions and exceeds that obtainable with a Cassegrain of an equivalent size.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Duncan A. Robertson, Duncan A. Robertson, Robert I. Hunter, Robert I. Hunter, Thomas F. Gallacher, Thomas F. Gallacher, } "94 GHz pulsed coherent radar for high power amplifier evaluation", Proc. SPIE 9829, Radar Sensor Technology XX, 982908 (12 May 2016); doi: 10.1117/12.2223044; https://doi.org/10.1117/12.2223044


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