A kanyanga yeslotimhando yeantenna yekuvhura inoumbwa nekugadzira imwe kana kupfuura maburi panzvimbo inofambisa mhepo, senge simbi, cavity, kana wall waveguide. Kana minda yemagetsi ichikurudzira slot, mukova wacho unova chinhu chinopenya uye unobatanidza simba kubva muchimiro chinotungamirirwa kana chakavharirwa munzvimbo yakasununguka.
Kunyangwe chimiro chekutanga che antenna ye slot chingaratidzika sechiri nyore, magadzirirwo akavakirwa pa slot anoita basa rakakosha muRF yemazuva ano uye microwave engineering.kureba kwenzvimbo, upamhi, nzvimbo, kurongeka, kufadza, uye chimiro chakakomberedza, mainjiniya vanogona kuwana akasiyana-siyana impedance, polarization, radiation pattern, uye beam hunhu.
Ma antenna e slot anogona kushandiswa se radiator imwe neimwe kana kurongwa muzvikamu zvikurumawaveguide arrays ane slotted, zvichiita kuti zvibatsire mu radar, kutaurirana, kuyera, kunzwa, uye mamwe masisitimu e microwave. Chinyorwa chekutanga chinopa antenna ye slot seyakavhurika rectangular munzvimbo inofambisa uye chinotsanangura maitiro ayo uchishandisa musimboti weBabinet.
1. Chii chinonzi Slot Antenna?
Antena iri nyore kwazvo inogona kuratidzwa seburi rakatetepa re rectangular rakachekwa kuita pepa rinofambisa mhepo.
Kana munda weRF wagadzwa pamusoro pegomba iri, mafungu anoyerera pamusoro pesimbi yakapoteredza anokanganiswa, uye simba remagetsi rinoburitswa kuburikidza nepaburi.
Mukuongorora kwedzidziso, pepa rekufambisa rinowanzoonekwa serakakura zvikuru uye rinofambisa zvakanaka. Zvisinei, maantenna chaiwo anoshandisa nzvimbo dzesimbi dzakaganhurirwa, madziro ekufambisa mafungu, maburi, kana zvimwe zvimiro zvinoshanda. Saka saizi nenzvimbo zvakakomberedza slot zvinopesvedzera maitiro chaiwo eantenna.
Kusiyana ne antenna yewaya, uko magetsi anoyerera achitevedza chinhu chinofambisa mhepo, antenna ye slot inobuda kubva kuaperture iri mu conduction structureHukama uhwu hunotsigirana ndicho chimwe chezvikonzero nei ma-slot antennas akabatana zvakanyanya nepfungwa yaBabinet.
2. Kushanda Kwakawanda kweSlot Antennas
Chinyorwa chekutanga chinosuma300 MHz kusvika 30 GHzsenzvimbo yakajairika yekushanda kwema antenna e slot. Izvi zvinobatsira sesumo yakajairika, asi hazvifanirwe kutsanangurwa semuganho wefrequency wepasi rose.
Mukugadzira ma antenna, huwandu hwema frequency hunoshandiswa hunoenderana nechimiro chaicho. Zvinhu zvakakosha zvinosanganisira:
- Kureba uye upamhi hwenzvimbo
- Kuitisa zviyero zvepamusoro
- Nzira yekudyisa
- Gyometri yewaveguide kana cavity
- Maitiro ekushanda
- Nzvimbo yechinhu muboka
Ma antenna e slot anonyanya kuwanikwa muma microwave systems nekuti ma slots anogona kubatanidzwa zviri nyore mumadziro e waveguide. Pama frequency akakwira, wavelength diki inobvumirawo ma slots akawanda kurongwa mu compact high-directivity arrays.
3. Antena yeSlot Inoshanda Sei?
Kana minda yemagetsi ichifashukira mukati kana pedyo nechinhu chinofambisa magetsi, mafungu epamusoro anoyerera achitevedza simbi.
Kuisa slot kunokanganisa nzira yemagetsi yakajairika. Minda yemagetsi yakasimba inogona kukura paburi, uye slot inobatanidza chikamu chesimba remagetsi munzvimbo yakasununguka.
Maitiro chaiwo emwaranzi anoenderana nekuti slot yacho inofadzwa sei.
Semuenzaniso, munekanyanga yekufambisa mafungu ine slotted, nzvimbo uye kurongeka kwenzvimbo iyi zvichienzaniswa nekugoverwa kwemagetsi ewaveguide zvinosarudza kuti nzvimbo iyoyo inofashukira zvakasimba sei. Nzvimbo dzakawanda dzinogona kuiswa uye kupatsanurwa kuti dzigadzire array ine pattern yekuwedzera uye beam inodiwa.
Ndosaka dhizaini ye antenna ye slot isiri nyaya yekungo "cheka gomba musimbi." Geometry ye slot, nzvimbo, nzvimbo, phase, uye chimiro chekudya zvinofanirwa kufungwa pamwe chete.
Mufananidzo 1. Chimiro chenzvimbo chinoratidza mwaranzi yemagetsi inopinda nemumaburi ari pamusoro pemhepo inofambisa mhepo.
4. Babinet's Principle uye Slot Antennas
Imwe yepfungwa dzinobatsira zvikuru pakunzwisisa ma antenna e slot ndeyeNheyo yeBabinet, kunyanya kuwedzera kwayo kwemagetsi.
Pfungwa huru ndeyekuenzanisa maumbirwo maviri anoenderana:
- Chikwangwani chakachekwa mundege inotungamira
- Chidimbu chekufambisa chine geometry yakafanana neyacho
Kana simbi nenzvimbo dzakavhurika dzechivako chimwe zvikachinjaniswa, zviviri izvi zvinoonekwa sezvinoenderana.
Mudzidziso yeantenna, hunhu hwemwaranzi hweslot antenna hunogona kuenderana nechimiro chayo chakafanana nedipole. Maumbirwo epatheni yemwaranzi akabatana zvakanyanya, nepo mabasa emagetsi nemagnetic field achichinjana. Izvi zvinorevawo kuti polarization yeslot inofanana neyayo yedipole inoenderana.
Semuenzaniso, nzvimbo yakamanikana yakatambanuka inowanzoita kuti pave nemagetsi akaenzana nerutivi rurefu rwenzvimbo yacho.
Saka musimboti waBabinet chishandiso chakakosha chekunzwisisa impedance, polarization, uye radiation behavior ye basic slot antennas.
Mufananidzo 2. Mufananidzo wemaumbirwo anoenderana anoshandiswa kutsanangura musimboti weBabinet.
5. Antena yeSlot neAntena yeDipole
Nzvimbo yakamanikana uye dipole yayo inobatsira pakuenzanisa antenna theory.
Ose anogona kuratidza maumbirwo akafanana emwaranzi mumamiriro ezvinhu akakodzera ekuwedzera, asi kurongeka kwawo kwesimba remagetsi kwakasiyana.
Kune dipole yakajairika, munda wemagetsi unowanzoenderana nechinhu chedipole. Kune slot inoenderana, munda wemagetsi wakatarisana ne axis refu ye slot.
Hukama uhwu hunotsigirana hazvirevi kuti antenna yega yega inoshanda inoita sedipole. Zvivakwa chaizvo zvinogona kusanganisira mapuraneti epasi, maburi, mawaveguides, maslots akawanda, zvinhu zve dielectric, uye zvikamu zvemakanika zviri pedyo, zvese izvi zvinogona kugadzirisa impedance uye radiation pattern.
6. Patani yemwaranzi uye Polarization
Chinyorwa chekutanga chinotsanangura pateni yemwaranzi yeslot antenna seye omnidirectional uye chinoienzanisa ne half-wave dipole.
Kune nzvimbo iri nyore iri yoga mugwara guru rekufambisa mhepo, patani yemwaranzi yakafara yakaita sedipole inzira inobatsira yekutanga. Zvisinei,"Ondirectional" haifanirwe kubatwa sechinhu chinowanikwa pasi rose cheantenna dzese dze slot.
Maitiro ekupedzisira anoenderana ne:
- Zviyero zveSlot
- Kurongeka kwenzvimbo
- Pamusoro pechinotungamirwa
- Chimiro chekudyisa
- Nhamba yemikana
- Nzvimbo yechinhu uye chikamu
- Magirazi kana maburi ari kuseri kwenzvimbo yacho
Mune slotted waveguide array, multiple radiating slots dzinogona kushanda pamwe chete kuti dzigadzire danda rakatetepa, rakanangana nedivi rayo uye kuwedzera kwakanyanya.
Musiyano uyu unonyanya kukosha pakukurukura nezveradar inoshanda uye antenna dzekutaurirana.
Mufananidzo 3. Patani yemwaranzi yakafanana neDipole inoshandiswa kuratidza maitiro e antenna ye slot pasi pemamiriro akanaka.
7. MaAntenna neArrays zveSlotted Waveguide
Imwe yenzira dzakakosha dzekushandisa tekinoroji ye slot antenna ndeyekanyanga yekufambisa mafungu ine slotted.
Muchimiro ichi, nzvimbo dzinopenya dzinochekwa pamadziro eguide yewaveguide inotakura simba re microwave. Nzvimbo yega yega inobatanidza huwandu hwesimba hunodzorwa kubva kuguide yewaveguide uye inoiburitsa munzvimbo yakasununguka.
Kana nzvimbo dzakawanda dzakarongwa pamwe chete neimwe kana kupfuura nzira dzemafungu, dzinoumbakanyanga ye slot slot ye waveguide.
Nekunyatso dzora nzvimbo yenzvimbo, nzvimbo, kurongeka, uye kufadza, vagadziri vanogona kuzadzisa:
- Pfuma yakawanda
- Upamhi hwakatetepa
- Marobhoti eparutivi akadzorwa
- Kupatsanurana kunodiwa
- Maburi akatetepa eplanar
RF MISO parizvino inopaMaAntenna eSlot eWaveguideuye zvigadzirwa zvewaveguide zvine slotted zvekushandisa muma microwave. Semuenzaniso, portfolio yezvigadzirwa zvayo inosanganisira 8.6–9.6 GHz uye 9–10 GHz mawaveguide ane slotted linear polarization uye high-gain configurations.
RF MISO inoshandisawo waveguide slot array architectures mubasa rayo reR&D, kusanganisira magadzirirwo eX-band array.
8. Mabhenefiti eSlot Antennas
Ma antenna e slot anopa mabhenefiti akawanda anoshanda:
Kubatanidzwa kusinganyatsoonekwi
Makomba anogona kuumbwa zvakananga mumapaneru ekufambisa kana madziro ewaveguide.
Kubatanidzwa kwakanaka kwemakanika
Chimiro chinopenya hachidi nguva dzose chinhu chekunze chinobuda.
Yakakodzera antenna arrays
Nzvimbo dzakawanda dzinogona kubatanidzwa zvinobudirira kuita planar kana waveguide-fed arrays.
Dhizaini yedanda rinochinjika
Kurongeka kweslot uye kufadza zvinogona kugadziriswa kuti zvienderane nezvinodiwa zvakasiyana zvekuwana nemwaranzi.
Kuenderana nemasisitimu ewaveguide
Pama microwave nema millimeter-wave frequency, nzvimbo dzinogona kubatanidzwa zvakananga nemaitiro ekudyisa ane waveguide yakaderera.
9. Zvipingamupinyi uye Kufunga Nezvekugadzira
Ma antenna e slot anosanganisirawo matambudziko akati wandei einjiniya.
Nzvimbo imwe chete inogona kupa gain shoma uye radiation yakafara. Kuti uwane directivity yakakwirira zvinowanzoda chimiro che array.
Kushanda kunogonawo kunzwisiswa ne:
- Kururama kwekugadzira slot
- Zviyero zvepasi-ndege
- Kushivirira kweWaveguide
- Nzvimbo yeSlot-to-slot
- Chikamu chekudyisa
- Hunhu hwepamusoro
- Kurongeka kwechimiro
Pama microwave ne millimeter-wave frequency akawandisa, zvikanganiso zvidiki zvemakanika zvinogona kureva chikamu chakakura chewavelength. Saka kunyatsogadzira kwacho kunowedzera kukosha.
Nyaya yekutanga inotaura nezvekuwedzera kwe cross-polarization uye kushanda zvakanaka kwemwaranzi zvishoma sezvakaipa. Muchokwadi, hunhu uhwu hunoenderana zvakanyanya nekugadzirwa uye hahufanirwe kubatwa sehunhu husingadzivisiki hwese slot antenna kana slot array.
10. Mashandisirwo eSlot Antennas
Ma antenna e slot uye ma slotted waveguide arrays anoshandiswa zvakanyanya muRF uye masisitimu e microwave, anosanganisira:
- Masisitimu eradar
- Kutaurirana kwema microwave
- Magadzirirwo eantena
- Masisitimu ekufambisa
- Kuyerwa kweRF
- Masisitimu ekuona
- Mapuratifomu esatellite nendege
- Masisitimu eantenna anofambiswa nemafungu
Chinyorwa chekutanga chinonyanya kuratidza radar navigation uye waveguide-fed arrays semashandisirwo akajairika eslot antenna.
Kune masisitimu ema microwave ane hutungamiriri hwepamusoro, mawaveguide arrays ane slotted anopa musanganiswa unoshanda wegeometry yakarongwa, kudya kwewaveguide, mapatani emwaranzi anodzorwa, uye scalability yearray.
Mhedziso
Antena yeslot inoshandura simba remagetsi kuita mwaranzi yemahara kuburikidza neaperture inoumbwa munzvimbo inofambisa mhepo.
Kunyange zvazvo geometry yayo huru iri nyore, maitiro emagetsi e slot anoenderana zvakanyanya nehukuru hwayo, kurongeka kwayo, kufadza, uye chimiro chayo chakakomberedza.
Nheyo yaBabinet inopa hukama hunobatsira pakati pema antenna e slot uye maumbirwo e dipole anoenderana, zvichibatsira mainjiniya kunzwisisa polarization yavo uye hunhu hwemwaranzi.
Mukugadzira ma microwave, pfungwa ye slot inova nesimba zvikuru kana ikabatanidzwa netekinoroji ye waveguide. Slots dzakawanda dzinogona kubatanidzwa muantenna arrays ine gwara remafungu rakakamurwa, zvichiita kuti pave nekuwedzera kwakanyanya, kudzorwa kwehupamhi hwemwenje, uye hunyanzvi hwe antenna dzakagadzikana dze radar, kutaurirana, kuyera, uye sensitimu dzekunzwa.
Nguva yekutumira: Nyamavhuvhu-28-2026
