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  4. Nonlinear distortion effects of vibration-sensing interferometric radar systems due to self-RCS
 
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Nonlinear distortion effects of vibration-sensing interferometric radar systems due to self-RCS

Publikationstyp
Conference Paper
Date Issued
2024-08-20
Sprache
English
Author(s)
Tegowski, Bartosz  
Hochfrequenztechnik E-3  
Kölpin, Alexander  orcid-logo
Hochfrequenztechnik E-3  
TORE-URI
https://hdl.handle.net/11420/49097
Start Page
291
End Page
295
Citation
25th International Microwave and Radar Conference, MIKON 2024
Contribution to Conference
25th International Microwave and Radar Conference, MIKON 2024  
Publisher DOI
10.23919/MIKON60251.2024.10633969
Scopus ID
2-s2.0-85203131234
Publisher
IEEE
ISBN
9788396972613
This contribution investigates the accuracy of interferometric continuous-wave radars depending on their own radar cross section (self-RCS) in the context of mechanical vibration analysis. The self-RCS is determined by the overall physical entity of the system including the radar antenna as well as the housing. The backscattering by the radar re-illuminates the target, which ultimately leads to a nonlinear dependency between its motion and the measured phase. This nonlinear distortion is studied in theory and validated by measurements demonstrating phenomena such as harmonic generation and intermodulation, which depend on the self-RCS.
Subjects
Accuracy
continuous-wave (CW) radar
harmonics
interferometric radar
intermodulation
nonlinear effects
radar cross section (RCS)
DDC Class
621.38: Electronics, Communications Engineering
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