Mawonekedwe:
- Mtengo wapatali wa magawo VSWR
M'machitidwe a wailesi ndi ma microwave, waveguide ndiye magwiridwe antchito apamwamba kwambiri olumikizirana ndi magawo osagwira ntchito, makamaka mu bandi yoperekedwa pafupipafupi kuti azitha kufalitsa mphamvu zamawu a wailesi, ndipo mawonekedwe akulu a waveguide ndi zida zoyendetsera zitsulo, zimatha kuthana ndi mphamvu zapamwamba kwambiri.
Monga momwe dzinalo likusonyezera, zigawo zowongoka za waveguide zimalumikizidwa mwachindunji popanda kusintha njira yotumizira ma siginecha, ndipo kutalika kwake kumatha kusinthidwa malinga ndi momwe ntchito ikugwiritsidwira ntchito, kuyambira ma centimita angapo mpaka mamita angapo.
Kupanga ndi kupanga zigawo zowongoka za waveguide ziyenera kuganizira zinthu zosiyanasiyana, monga maulendo oyendetsa, kukula kwa mafunde, kusankha zinthu, teknoloji yopangira makina, etc. Mitundu yodziwika bwino ya zida zosinthira ma waveguide imaphatikizapo kusintha kwa ma waveguides a rectangular kupita ku ma waveguides ozungulira, kusintha pakati pa ma waveguides a rectangular a kukula kosiyana, ndi kusintha kuchokera ku ma waveguides kupita ku mizere ya coaxial.
1. Monga chingwe chotumizira, ma waveguides a RF amagwira ntchito mwa kusamutsa mphamvu kuchokera kumalo ena kupita kumalo ena, kukwaniritsa kufalikira kwabwino mwa kuchepetsa kutayika mu njira yotumizira mphamvu. Mapangidwe achitsulo opanda kanthu a waveguide amatha kuchepetsa kwambiri kutayika kwa njira yotumizira mphamvu.
2. Mosiyana ndi mlongoti, mphamvuyo siimalowetsedwa mu danga lonse la waveguide, koma imamangiriridwa mkati mwa waveguide, ndipo mphamvu yokhayo yomwe ili pamwamba pa mafupipafupi a cutoff imatha kufalitsidwa kudzera muzitsulo za microwave.
Kugwiritsa ntchito ma radio frequency waveguides sikungokhala pamalumikizidwe ndi makina a radar. Mwachitsanzo, pakuyerekeza kwa ma hyperlens, mindandanda yowongoka ya ma waveguide owongoka ndi mafunde opindika amagwiritsidwa ntchito kuyerekezera zinthu zabwino ndi zoyipa za refractive index kuti akwaniritse kudziyerekeza kwapang'onopang'ono. Njira imeneyi ndi yofunika kwambiri mu luso lojambula zithunzi ndi kuphatikizika kwa photon, makamaka pakukwaniritsidwa kwa kayendetsedwe kabwino ka malo ounikira pa sub-wavelength scale.
Qualwaveamapereka zigawo zowongoka za waveguide zimaphimba ma frequency mpaka 91.9GHz, komanso magawo osinthika a waveguide molunjika malinga ndi zomwe makasitomala amafuna. Takulandilani makasitomala kuti mufunse zambiri zamalonda.
Gawo Nambala | RF pafupipafupi(GHz, Min.) | RF pafupipafupi(GHz, Max.) | Kutayika Kwawo(dB, Max.) | Chithunzi cha VSWR(Max.) | Kukula kwa Waveguide | Flange | Nthawi yotsogolera(Masabata) |
---|---|---|---|---|---|---|---|
QWSS-12 | 60.5 | 91.9 | 0.5 | 1.1 | WR-12 (BJ740) | UG387/U | 2~4 |
QWSS-15 | 49.8 | 75.8 | 0.1 | 1.1 | WR-15 (BJ620) | UG385/U | 2~4 |
QWSS-28 | 26.5 | 40 | 1dB/m | 1.1 | WR-28 (BJ320) | FBP320 | 2~4 |
QWSS-34 | 21.7 | 33 | 0.1 | 1.08 | WR-34 (BJ260) | Chithunzi cha FBP260 | 2~4 |
QWSS-42 | 18 | 26.5 | 0.08 | 1.05 | WR-42 (BJ220) | FBP220 | 2~4 |
QWSS-75 | 9.84 | 15 | 0.25dB/m | 1.05 | WR-75 (BJ120) | FBP120 | 2~4 |
QWSS-90 | 8.2 | 12.5 | 0.1 | 1.05 | WR-90 (BJ100) | FBP100 | 2~4 |
QWSS-187 | 3.94 | 5.99 | 0.05 | 1.2 | WR-187 (BJ48) | FAM48 | 2~4 |
QWSS-430 | 1.72 | 2.61 | 0.1 | 1.1 | WR-430 (BJ22) | FDP22 | 2~4 |
QWSS-650 | 1.13 | 1.73 | - | 1.1 | WR-650 (BJ14) | FDP14 | 2~4 |
QWSS-D350 | 3.5 | 8.2 | 0.4 | 1.15 | WR350 | Chithunzi cha FPWRD350 | 2~4 |
QWSS-D750 | 7.5 | 18 | 0.4 | 1.15 | WRD750 | FPWRD750 | 2~4 |