Horn kav hlau txais xov yog ib qho ntawm cov kav hlau txais xov uas tau siv dav nrog cov qauv yooj yim, ntau zaus, muaj peev xwm loj thiab nce siab.Horn antennasfeem ntau yog siv los ua tus kav hlau txais xov pub rau hauv xov tooj cua loj astronomy, satellite nrhiav, thiab cov kav hlau txais xov sib txuas lus. Ntxiv nrog rau kev ua haujlwm pub dawb rau cov tsom iav thiab cov lo ntsiab muag, nws yog ib qho khoom siv nyob rau hauv phased arrays thiab ua haujlwm raws li tus qauv zoo rau kev ntsuas thiab nce kev ntsuas ntawm lwm cov kav hlau txais xov.
Lub kav hlau txais xov horn yog tsim los ntawm maj mam nthuav tawm lub voj voos voj voog lossis lub voj voog ncig hauv ib qho tshwj xeeb. Vim qhov maj mam nthuav dav ntawm lub qhov ncauj waveguide, qhov sib txuam ntawm lub waveguide thiab qhov chaw dawb yog txhim kho, ua rau qhov kev xav coefficient me dua. Rau kev pub mis lub voj voog, ib hom kev sib kis yuav tsum ua tiav ntau npaum li qhov ua tau, uas yog, tsuas yog TE10 nthwv dej kis tau. Qhov no tsis yog tsuas yog tsom rau lub teeb liab lub zog thiab txo qhov poob, tab sis kuj zam kev cuam tshuam ntawm kev cuam tshuam ntawm kev cuam tshuam thiab kev cuam tshuam ntxiv los ntawm ntau hom. .
Raws li qhov sib txawv ntawm kev xa tawm ntawm lub kav hlau txais xov horn, lawv tuaj yeem muab faib uasector horn antennas, pyramid horn antennas,conical horn antennas, corrugated horn antennas, ridged horn antennas, multi-mode horn antennas, thiab lwm yam. Cov kav hlau txais xov zoo li no tau piav qhia hauv qab no. Taw qhia ib los ntawm ib qho
Sector horn kav hlau txais xov
E-plane sector horn kav hlau txais xov
Lub E-dav hlau sector horn kav hlau txais xov yog ua los ntawm cov duab plaub waveguide qhib ntawm ib lub kaum ntse ntse nyob rau hauv cov kev taw qhia ntawm hluav taws xob teb.
Daim duab hauv qab no qhia txog kev simulation ntawm E-plane sector horn kav hlau txais xov. Nws tuaj yeem pom tau tias cov kab dav dav ntawm cov qauv no nyob rau hauv E-plane kev taw qhia yog nqaim dua li hauv H-plane kev taw qhia, uas yog tshwm sim los ntawm qhov loj dua aperture ntawm E-plane.
H-plane sector horn kav hlau txais xov
H-dav hlau sector horn kav hlau txais xov yog ua los ntawm cov duab plaub waveguide qhib ntawm ib lub kaum ntse ntse nyob rau hauv cov kev taw qhia ntawm lub magnetic teb.
Daim duab hauv qab no qhia txog kev simulation ntawm H-plane sector horn kav hlau txais xov. Nws tuaj yeem pom tias qhov dav dav ntawm cov qauv no nyob rau hauv H-plane kev taw qhia yog nqaim dua li hauv E-plane kev taw qhia, uas yog tshwm sim los ntawm qhov loj dua ntawm lub dav hlau H.
RFMISO sector horn kav hlau txais xov khoom:
RM-HWV 187-10
RM-HWV 28-10
Pyramid Horn Kav hlau txais xov
Pyramid horn kav hlau txais xov yog ua los ntawm cov duab plaub waveguide uas qhib ntawm ib lub kaum ntse ntse hauv ob qho kev qhia tib lub sijhawm.
Daim duab hauv qab no qhia txog cov txiaj ntsig simulation ntawm pyramidal horn kav hlau txais xov. Nws cov yam ntxwv hluav taws xob yog qhov ua ke ntawm E-plane thiab H-plane sector horns.
Conical horn kav hlau txais xov
Thaum qhib kawg ntawm lub voj voog ncig lub voj voog yog lub cev zoo li lub cev, nws yog hu ua conical horn antenna. Lub khob hliav qab horn kav hlau txais xov muaj ib ncig lossis elliptical aperture saum nws.
Daim duab hauv qab no qhia txog cov txiaj ntsig simulation ntawm conical horn kav hlau txais xov.
RFMISO conical horn kav hlau txais xov khoom:
RM-CDPHA218-15
RM-CDPHHA 618-17
Corrugated kav hlau txais xov
Lub kav hlau txais xov horn corrugated yog lub kav hlau txais xov horn nrog corrugated sab hauv. Nws muaj qhov zoo ntawm qhov dav zaus band, qis cross-polarization, thiab zoo beam symmetry kev ua tau zoo, tab sis nws cov qauv yog complex, thiab cov txheej txheem nyuaj thiab tus nqi siab.
Corrugated horn antennas tuaj yeem muab faib ua ob hom: pyramidal corrugated horn antennas thiab conical corrugated horn antennas.
RFMISO corrugated horn kav hlau txais xov khoom:
RM-CHA140220 ib-22
Pyramidal corrugated horn kav hlau txais xov
Conical corrugated horn kav hlau txais xov
Daim duab hauv qab no qhia txog cov txiaj ntsig simulation ntawm conical corrugated horn kav hlau txais xov.
Ridged kav hlau txais xov
Thaum kev khiav hauj lwm zaus ntawm cov kav hlau txais xov horn yog ntau dua 15 GHz, lub nraub qaum sab nraub qaum pib phua thiab sab lobe qib nce. Ntxiv cov qauv ridge rau cov lus hais kab noj hniav tuaj yeem ua rau kom muaj bandwidth, txo impedance, nce nce, thiab txhim kho cov kev taw qhia ntawm hluav taws xob.
Ridged horn antennas feem ntau muab faib ua ob-ridged horn antennas thiab plaub-ridged horn antennas. Cov hauv qab no siv cov pyramidal ob-ridged horn antenna feem ntau ua piv txwv rau kev simulation.
Pyramid Ob Chav Ridge Horn Kav hlau txais xov
Ntxiv ob txoj kab nruab nrab ntawm lub waveguide ib feem thiab lub horn qhib ib feem yog ob-ridge horn kav hlau txais xov. Ntu waveguide yog muab faib ua ib kab noj qab haus huv thiab ib tug ridge waveguide. Cov kab noj hniav rov qab tuaj yeem lim tawm cov qauv kev txiav txim siab siab dua hauv cov waveguide. Lub ridge waveguide txo qhov kev txiav tawm zaus ntawm lub ntsiab hom kis tau tus mob, yog li ua tiav lub hom phiaj ntawm kev nthuav dav cov zaus band.
Lub ridged horn kav hlau txais xov yog me dua cov kav hlau txais xov dav dav hauv tib zaus thiab muaj qhov nce siab dua li cov kav hlau txais xov dav dav hauv tib zaus.
Daim duab hauv qab no qhia txog cov txiaj ntsig simulation ntawm pyramidal ob-ridged horn kav hlau txais xov.
Multimode horn kav hlau txais xov
Hauv ntau daim ntawv thov, lub kav hlau txais xov horn yuav tsum tau muab cov qauv sib luag hauv txhua lub dav hlau, qhov chaw nruab nrab ntawm qhov sib npaug ntawm $ E $ thiab $ H$ dav hlau, thiab kev tawm tsam sab lobe.
Multi-mode excitation horn qauv tuaj yeem txhim kho cov nqaj sib npaug ntawm txhua lub dav hlau thiab txo qis sab lobe qib. Ib qho ntawm ntau hom multimode horn antennas yog dual-hom conical horn kav hlau txais xov.
Dual Hom Conical Horn Kav hlau txais xov
Lub dual-hom cone horn txhim kho $ E $ dav hlau qauv los ntawm kev qhia txog kev txiav txim siab dua hom TM11 hom, kom nws cov qauv muaj axially symmetrical equalized beam yam ntxwv. Daim duab hauv qab no yog daim duab kos duab ntawm lub aperture hluav taws xob teb faib ntawm lub ntsiab hom TE11 hom thiab cov kev txiav txim siab dua hom TM11 nyob rau hauv lub voj voog waveguide thiab nws cov synthesized aperture teb faib.
Cov qauv kev siv daim ntawv ntawm dual-hom conical horn tsis yog tshwj xeeb. Cov txheej txheem siv feem ntau suav nrog Potter horn thiab Pickett-Potter horn.
Daim duab hauv qab no qhia txog kev simulation ntawm Potter dual-mode conical horn kav hlau txais xov.
Post lub sij hawm: Mar-01-2024
