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Coherent 24 GHz FMCW radar system for micro-Doppler studies

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106330I.pdf (902.3Kb)
Date
04/05/2018
Author
Rahman, Samiur
Robertson, Duncan Alexander
Funder
Science & Technology Facilities Council
Grant ID
ST/N006569/1
Keywords
FMCW
Radar
Micro-Doppler
UAV
K-band
Drone
QC Physics
T Technology (General)
NDAS
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Abstract
This paper presents the hardware design of a coherent 24 GHz radar system developed at the University of St Andrews to obtain micro-Doppler data. The system is based on the Analog Devices EV-RADAR-MMIC2 evaluation board which is based around a chipset of three integrated circuits: a two channel transmitter, a four channel receiver and a fractional-N frequency synthesizer. The evaluation board is combined with a number of other components to enable coherent operation with a PC-based data acquisition card and to boost the output power to increase the operational range. Three identical custom-made smooth-walled conical horn antennas for transmit and co- and cross-polar receive signals were designed and built for the radar system. It is shown that the performance of these high gain (24.5 dBi) antennas agrees extremely well with the design simulations. Finally, field trial results comprising human, bird and drone micro-Doppler data are shown to validate the system performance.
Citation
Rahman , S & Robertson , D A 2018 , Coherent 24 GHz FMCW radar system for micro-Doppler studies . in K I Ranney & A Doerry (eds) , Radar Sensor Technology XXII . , 106330I , Proceedings of SPIE , vol. 10633 , SPIE , Radar Sensor Technology XXII 2018 , Orlando , Florida , United States , 16/04/18 . https://doi.org/10.1117/12.2304368
 
conference
 
Publication
Radar Sensor Technology XXII
DOI
https://doi.org/10.1117/12.2304368
ISSN
0277-786X
Type
Conference item
Rights
© 2018, 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/10.1117/12.2304368
Description
The authors acknowledge the funding received from the Science and Technology Facilities Council which has supported this work under grant ST/N006569/1.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/16168

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