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.
Original languageEnglish
Title of host publicationRadar Sensor Technology XX
EditorsKenneth I Ranney, Armin Doerry
Number of pages8
Publication statusPublished - 12 May 2016
EventSPIE Conference on Radar Sensor Technology XX - MD, Baltimore, United States
Duration: 18 Apr 201621 Apr 2016

Publication series

NameProceedings of SPIE


ConferenceSPIE Conference on Radar Sensor Technology XX
Country/TerritoryUnited States


  • Radar
  • Pulsed Doppler
  • Millimeter wave
  • Coherent
  • High power amplifier
  • Fresnel zone plate


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