Consideration of nonlinear effects in different receiver architectures for use in passive radar systems

Publikationstyp
Conference Paper
Publikationsdatum
2023-01
Sprache
English
Author
Horlbeck, Marie 
Scheiner, Benedict 
Weigel, Robert 
Lurz, Fabian 
Institut
Hochfrequenztechnik E-3 
TORE-URI
http://hdl.handle.net/11420/15011
Start Page
45
End Page
48
Citation
IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR 2023)
Contribution to Conference
IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2023 
Publisher DOI
10.1109/PAWR56957.2023.10046246
Scopus ID
2-s2.0-85149376177
Publisher
EEE
In passive radar systems the high dynamic range between the received reflected signal and the received signal of neighboring strong transmitters as well as the direct signal causes high demands on the receivers. Since a real receiver never shows a perfect linear characteristic, this always implies nonlinear effects. Consequently, the in the receiver generated interfering signals lead to a reduced total sensitivity. According to the intensity and spectral distribution of the input signals, intermodulation noise is produced. This paper shows a consideration and an estimation of nonlinear effects in different receiver architectures, depending on various measured input spectra for passive FM radar.
Schlagworte
intermodulation products
nonlinear effects
passive radar
receiver
DDC Class
600: Technik