A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling

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Abstract

We present the design and characterization of a ground-based, zenith-pointing, 94 GHz FMCW Doppler radar demonstrator for cloud profiling. The radar uses an all solid-state and relatively simple homodyne architecture and two, low sidelobe 0.5 m diameter Fresnel zone plate antennas to reduce system costs. The low-phase noise, coherent radar employs a direct digital synthesis (DDS) chip for highly linear chirp generation. The design will be able to leverage ongoing future improvements in mm-wave low noise and power amplifier technology to maximize sensitivity. Once the radar is installed in a rooftop location, the processor will perform real-time range-Doppler measurements with averaging, to yield target velocity spectra as a function of altitude.
Original languageEnglish
Title of host publicationRadar Sensor Technology XXI
EditorsKenneth I. Ranney, Armin Doerry
PublisherSPIE
Number of pages7
ISBN (Electronic)9781510608771
DOIs
Publication statusPublished - 1 May 2017
EventRadar Sensor Technology XXI 2017 - Anaheim, United States
Duration: 10 Apr 201712 Apr 2017

Publication series

NameProceedings of SPIE
PublisherSociety for Photo-optical Instrumentation Engineers
Volume10188
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceRadar Sensor Technology XXI 2017
Country/TerritoryUnited States
CityAnaheim
Period10/04/1712/04/17

Keywords

  • Cloud profiling
  • Coherent
  • DDS
  • FMCW Doppler
  • Fresnel zone plate
  • Millimeter wave
  • Radar

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