Antenna ea lenaka le nang le polarized e ka fetisa le ho amohela maqhubu a motlakase a polarized le a otlolohileng ha a ntse a boloka boemo bo sa fetohe, e le hore phoso ea boemo ba tsamaiso e bakoang ke ho fetola boemo ba antenna e le ho finyella litlhoko tsa polarization switching, le e le hore ho nepahala ha tsamaiso ho ka ntlafatsoa. Antenna ea manaka a mabeli e na le melemo ea phaello e phahameng, tataiso e ntle, ho itšehla thajana ho hoholo, matla a phahameng a matla, joalo-joalo, 'me e ithutoe le ho sebelisoa haholo. Antenna e nang le polarized habeli e ka ts'ehetsa polarization ea mela, polarization ea elliptical le maqhubu a selikalikoe a polarization.
Mokhoa oa ho sebetsa:
| Mokhoa oa ho amohela |
| • Ha lenakana le fumana sebopeho se otlolohileng se otlolohileng, ke boema-kepe bo emeng feela bo ka e amohelang, 'me kou e tšekaletseng ea aroloa.• Ha lenakana le fumana sebopeho sa maqhubu se otlolohileng, ke kou e tšekaletseng feela e ka e amohelang, 'me kou e otlolohileng e tla ba teng. ka thoko. • Ha antenna e fumana sebopeho sa elliptical kapa circular polarization waveform, likou tse otlolohileng le tse tšekaletseng li amohela likarolo tse otlolohileng le tse tšekaletseng tsa lets'oao, ka ho latellana. Ho ipapisitse le polarization ea selikalikoe ka letsohong le letšehali (LHCP) kapa polarization ea letsoho le letona (RHCP) ea sebopeho sa maqhubu, ho tla ba le sekhahla sa likhato tse 90 kapa ho tsoela pele lipakeng tsa likou. Haeba waveform e pota-potiloe ka mokhoa o chitja ka mokhoa o phethahetseng, bophahamo ba lets'oao bo tsoang boema-kepeng bo tla tšoana. Ka ho sebelisa motsoako o nyalisitsoeng o nepahetseng (90 degree), karolo e emeng le karolo e otlolohileng e ka kopanngoa ho khutlisetsa sebopeho se chitja kapa sa elliptical wave. |
| Mokhoa oa ho fetisa |
| • Ha lenakana le fepeloa ke kou e emeng, e fetisa mofuta o otlolohileng oa polarization waveform. • Ha lenakana le feptjoa ke kou e tšekaletseng, e fetisa sebopeho sa maqhubu a polarization ea mela e otlolohileng. • Ha antenna e fepeloa likoung tse emeng le tse rapameng ka phapang ea likhato tse 90, mats'oao a amplitude a lekanang, LHCP kapa RHCP waveform e fetisoa ho latela sekhahla sa sekhahla kapa ho ea pele lipakeng tsa matšoao a mabeli. Haeba li-amplitudes tsa lipontšo tsa likou tse peli li sa lekane, elliptical polarization waveform e fetisoa. |
| Mokhoa oa ho fetisa |
| • Ha lenakana le sebelisoa mokhoeng oa ho fetisa le ho amohela, ka lebaka la ho itšehla thajana pakeng tsa likou tse otlolohileng le tse tšekaletseng, e ka fetisa le ho amohela ka nako e le 'ngoe. |
RF MISOe fana ka letoto la li-antenna tse peli tse polarized, e 'ngoe e ipapisitse le sebopeho sa quad-ridge' me e 'ngoe e ipapisitse le Waveguide Ortho-Mode Transducer (WOMT). Li bontšoa ho Setšoantšo sa 1 le sa 2 ka ho latellana.
Setšoantšo sa 1 Lenaka la manaka a mabeli a nang le polarized quad-ridged
Setšoantšo sa 2 Antenna ea linaka tse peli-polarized e thehiloeng ho WOMT
Ho tšoana le ho se tšoane pakeng tsa li-antenna tse peli ho bontšoa ho Lethathamo la 1. Ka kakaretso, antenna e thehiloeng mohahong oa quad-ridge e ka koahela lebelo le pharaletseng la ho sebetsa, hangata ho feta sehlopha sa octave, joalo ka 1-20GHz le 5-50GHz. Ka litsebo tse hloahloa tsa meralo le mekhoa ea ts'ebetso e nepahetseng haholo,RF MISO's ultra-wideband dual-polarized antenna e ka sebetsa ho maqhubu a phahameng a maqhubu a millimeter. Bophahamo ba ts'ebetso ea li-antenna tse thehiloeng ho WOMT bo lekanyelitsoe ke lebelo la ts'ebetso ea waveguide, empa phaello ea eona, bophara ba seriti, li-lobes tsa mahlakoreng le ho itšehla thajana ho pota-pota / port-to-port ho ka ba betere. Hajoale 'marakeng, li-antenna tse nang le polarized tse peli tse thehiloeng ho WOMT li na le 20% feela ea bandwidth ea ts'ebetso mme ha li khone ho koahela sehlopha sa maqhubu a maqhubu a tloaelehileng. Lenakana la WOMT-based dual-polarized antenna e entsoeng keRF MISOe ka koahela sehlopha se felletseng sa maqhubu a waveguide, kapa holim'a sehlopha sa octave. Ho na le mefuta e mengata eo u ka khethang ho eona.
Letlapa la 1 Papiso ea li-antenna tse nang le polarized tse peli
| Ntho | Quad-ridge e Thehiloe | WOMT E Thehiloe |
| Mofuta oa Antenna | Lenaka le chitja kapa la Rectangular | Mefuta Eohle |
| Bandwidth e sebetsang | Ultra-wide Band | Waveguide bandwidth kapa E atolositsoeng Frequency WG |
| Fumana | 10 ho isa ho 20dBi | Ka boikhethelo, ho fihla ho 50dBi |
| Maemo a Lehlakoreng la Lobe | 10 ho isa ho 20dB | E tlase, e itšetlehile ka mofuta oa antenna |
| Bophahamo ba motlakase | Phapang e pharaletseng ka har'a Operating bandwidth | E tsitsitse haholoanyane sehlopheng se felletseng |
| Ho itšehla thajana ha polarization | 30dB E tloaelehileng | E phahameng, 40dB E Tloaelehileng |
| Ho itšehla thajana ho koung | 30dB E tloaelehileng | E phahameng, 40dB E Tloaelehileng |
| Mofuta oa Boema-kepe | Coaxial | Coaxial kapa waveguide |
| Matla | Tlase | Phahameng |
Antenna ea quad-ridge dual-polarized horn e loketse lits'ebetso moo tekanyo ea tekanyo e fetang lihlopha tse ngata tsa maqhubu a maqhubu, 'me e na le melemo ea tlhahlobo ea Ultra-wideband le e potlakileng. Bakeng sa li-antenna tse nang le polarized tse peli tse thehiloeng ho WOMT, u ka khetha mefuta e fapaneng ea li-antenna, joalo ka lenaka la conical, lenaka la piramite, probe ea waveguide e bulehileng, lenaka la lense, lenaka la scalar, lenaka le nang le sekoti, lenaka la fepelo, lenaka la Gaussian, antenna ea lijana, joalo-joalo. Ho ka fumanoa li-antenna tse fapaneng tse loketseng ts'ebeliso efe kapa efe ea sistimi.RF MISOe ka fana ka selikalikoe ho ea ho li-rectangular waveguide transition module ho theha khokahanyo e tobileng pakeng tsa antenna e nang le sebopeho se tloaelehileng sa li-circular waveguide le WOMT e nang le segokanyimmediamentsi sa square waveguide. The WOMT-based dual-polarization horn antennas horeRF MISOli ka fanoa li bontšitsoe ho Lethathamo la 2.
Letlapa la 2 Antenna e nang le polarized habeli e thehiloeng ho WOMT
| Mefuta ea li-antenna tse peli-polarized | Likaroloana | Mehlala |
| WOMT+Lenaka le Tloaelehileng | •Ho fana ka li-waveguide tse tloaelehileng li-bandwidth tse felletseng le li-bandwidth tse Atolositsoeng tsa WG •Maqhubu a koahelang ho fihla ho 220 GHz • Li-lobe tsa mahlakoreng a tlaase •Ho ikhethela ho fumana boleng ba 10, 15, 20, 25 dBi |
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| WOMT+Corrugated Feed Lenaka | •Ho fana ka li-waveguide tse tloaelehileng li-bandwidth tse felletseng le li-bandwidth tse Atolositsoeng tsa WG •Maqhubu a koahelang ho fihla ho 220 GHz • Li-lobe tsa mahlakoreng a tlaase • Ho itšehla thajana ho fokolang • Fumana boleng ba 10 dBi |  |
Ho ithuta haholoanyane ka li-antenna, ka kopo etela:
Nako ea poso: Sep-13-2024
