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Combined L–S-bands antenna module
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine.
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine.
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Ukraine.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektroteknik, matematik och naturvetenskap, Elektronik.ORCID-id: 0000-0003-2887-049x
2019 (Engelska)Ingår i: IET Microwaves, Antennas & Propagation, ISSN 1751-8725, E-ISSN 1751-8733, Vol. 13, nr 5, s. 541-545Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A combined L-S-band antenna module consists of four rectangular patch antennas, two of which operate at the frequencies of the first harmonics (L-band), and two others at the frequencies of the second harmonics (S-band). The module is intended for use in super heterodyne signal reception circuits, for example in studying the various non-linear phenomena. The results of this study are presented in terms of improving the performance of each antenna and minimising their mutual influence. The resonance frequencies of the L-band antenna differ by 50MHz. All the antennas radiate close to the zenith and their beamwidths in two principal planes are virtually the same. At the resonance frequencies, the reflection coefficient is S-11<-30dB for the transmitting antenna, and S-11<-20dB for the receiving antenna. The minimum allowable distance between the antennas is determined, at which their mutual influence can be neglected (S-12<-50dB).

Ort, förlag, år, upplaga, sidor
IET , 2019. Vol. 13, nr 5, s. 541-545
Nyckelord [en]
heterodyne detection, transmitting antennas, antenna radiation patterns, microstrip antennas, receiving antennas, L-band antenna, resonance frequencies, transmitting antenna, receiving antenna, L-S-bands antenna module, rectangular patch antennas, super heterodyne signal reception circuits, frequency 50, 0 MHz
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:hig:diva-30500DOI: 10.1049/iet-map.2018.5130ISI: 000465255900002Scopus ID: 2-s2.0-85064208155OAI: oai:DiVA.org:hig-30500DiVA, id: diva2:1343044
Tillgänglig från: 2019-08-15 Skapad: 2019-08-15 Senast uppdaterad: 2019-11-26Bibliografiskt granskad

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