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

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Robertson_2018_Solid_state_SPIE_101880X.pdf (646.8Kb)
Date
01/05/2017
Author
Robertson, Duncan A.
Hunter, Robert I.
Funder
EPSRC
Grant ID
XAP001
Keywords
Cloud profiling
Coherent
DDS
FMCW Doppler
Fresnel zone plate
Millimeter wave
Radar
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Computer Science Applications
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Applied Mathematics
Condensed Matter Physics
NS
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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.
Citation
Robertson , D A & Hunter , R I 2017 , A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling . in K I Ranney & A Doerry (eds) , Radar Sensor Technology XXI . , 101880X , Proceedings of SPIE , vol. 10188 , SPIE , Radar Sensor Technology XXI 2017 , Anaheim , United States , 10/04/17 . https://doi.org/10.1117/12.2261871
 
conference
 
Publication
Radar Sensor Technology XXI
DOI
https://doi.org/10.1117/12.2261871
ISSN
0277-786X
Type
Conference item
Rights
© 2017, SPIE. This work has been made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at https://doi.org/10.1117/12.2261871
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/12876

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