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.
Robertson , D A , Hunter , R I & Gallacher , T 2016 , 94 GHz pulsed coherent radar for high power amplifier evaluation . in K I Ranney & A Doerry (eds) , Radar Sensor Technology XX . Proceedings of SPIE , vol. 9829 , SPIE , SPIE Conference on Radar Sensor Technology XX , Baltimore , United States , 18/04/16 . https://doi.org/10.1117/12.2223044conference
Radar Sensor Technology XX
© 2016, Society of Photo Optical Instrumentation Engineers. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at proceedings.speidigitallibrary.org / https://dx.doi.org/10.1117/12.2223044
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