Akụkọ ihe mere eme nke antenna mpi malitere laa azụ na 1897, mgbe onye nyocha redio Jagadish Chandra Bose ji microwaves mee atụmatụ nnwale ọsụ ụzọ.Mgbe e mesịrị, GC Southworth na Wilmer Barrow chepụtara nhazi nke antenna mpi ọgbara ọhụrụ na 1938 n'otu n'otu.Kemgbe ahụ, a na-amụba usoro antenna mpi iji kọwaa usoro radieshon ha na ngwa ha n'ụdị dị iche iche.Antenna ndị a bụ ndị ama ama n'ọhịa nke nnyefe waveguide na microwaves, ya mere a na-akpọkarị haantennas microwave.Ya mere, akụkọ a ga-enyocha ka antenna mpi si arụ ọrụ na ngwa ha na mpaghara dị iche iche.
Kedu ihe bụ antenna mpi?
A antenna mpibụ antenna oghere emebere ya maka ugboro ugboro microwave nwere njedebe gbasaa ma ọ bụ mpi.Ihe owuwu a na-enye antenna ka ọ bụrụ ntuziaka ka ukwuu, na-enye ohere ka ọ dị mfe ibufe mgbama a na-ebunye n'ebe dị anya.Igwe mpi mpi na-arụkarị ọrụ n'ụbụrụ microwave, yabụ oke ugboro ha na-abụkarị UHF ma ọ bụ EHF.
RFMISO mpi mpi RM-CDPHA618-20 (6-18GHz)
A na-eji antennas ndị a dị ka mpi nri maka nnukwu antennas dị ka parabolic na ntụzi aka.Uru ha gụnyere ịdị mfe nke imewe na ngbanwe, oke ebili mmiri dị ala, ntụzịaka na-agafeghị oke, yana bandwidth sara mbara.
Nhazi na arụ ọrụ mpi mpi
Enwere ike ime atụmatụ mpi mpi site na iji ntuziaka ebili mmiri nwere ụdị mpi maka ịnyefe na ịnata akara igwe onyonyo ugboro redio.Na-ejikarị, a na-eji ya na ntinye akwụkwọ ntuziaka na-efegharị efegharị na ebili mmiri redio kpọmkwem iji mepụta warara dị warara.Akụkụ nke agba ọkụ nwere ike ịbịa n'ụdị dị iche iche, dị ka square, conical, ma ọ bụ akụkụ anọ.Iji hụ na arụ ọrụ kwesịrị ekwesị, nha antenna kwesịrị ịdị ntakịrị ka o kwere mee.Ọ bụrụ na ogologo ikuku dị nnukwu ma ọ bụ nha mpi ahụ pere mpe, antenna agaghị arụ ọrụ nke ọma.
Eserese ndepụta mpi mpi
N'ime antenna mpi, akụkụ nke ike ahụ merenụ na-apụta site n'ọnụ ụzọ nke waveguide, ebe ike ndị ọzọ na-egosipụta azụ site n'otu ọnụ ụzọ ahụ n'ihi na ọnụ ụzọ ahụ mepere emepe, na-eme ka ọ bụrụ ihe na-adịghị mma n'etiti oghere na oghere. ndu ndu.Na mgbakwunye, n'ọnụ ọnụ ụzọ ebili mmiri, ọgbaghara na-emetụta ike ọkụ ọkụ nke ntuziaka ebili mmiri.
Iji merie adịghị ike nke waveguide, a na-emepụta oghere njedebe n'ụdị mpi electromagnetic.Nke a na-enye ohere maka mgbanwe dị mma n'etiti oghere na ntuziaka ebili mmiri, na-enye ntụziaka ka mma maka ebili mmiri redio.
Site n'ịgbanwe ntụgharị dị ka usoro mpi, nkwụsị na nkwụsị 377 ohm n'etiti oghere na ebili mmiri na-ekpochapụ.Nke a na-eme ka ntụzịaka na uru nke antenna na-ebufe site n'ibelata diffraction na nsọtụ iji nye ike ihe omume na-apụta n'ụzọ n'ihu.
Nke a bụ otu antenna mpi si arụ ọrụ: Ozugbo otu njedebe nke ụzọ ụgbọ mmiri nwere mmasị, a na-emepụta oghere magnetik.N'ihe gbasara ịgbasa waveguide, enwere ike ịchịkwa ubi na-agbasa site na mgbidi ndị na-efegharị efegharị ka ubi ahụ ghara ịgbasa n'ụdị okirikiri kama n'ụzọ yiri mgbasa nke ohere efu.Ozugbo ubi na-agafe na-erute njedebe waveguide, ọ na-agbasa n'otu ụzọ ahụ dị na ohere efu, ya mere a na-enweta ihu igwe dị okirikiri na njedebe waveguide.
Ụdị mpi mpi a na-ahụkarị
Standard Gain Horn Antennabụ ụdị antenna a na-ejikarị na sistemu nkwukọrịta nwere uru kwụ ọtọ na obosara.Ụdị antenna a dabara adaba maka ọtụtụ ngwa ma nwee ike ịnye mkpuchi mkpuchi kwụsiri ike na nke a pụrụ ịdabere na ya, yana ike nnyefe dị elu na ikike mgbochi nnyonye anya dị mma.A na-ejikarị antenna mpi nweta ọkọlọtọ eme ihe n'ọtụtụ ebe na nkwukọrịta mkpanaka, nkwukọrịta edobere, nkwukọrịta satịlaịtị na mpaghara ndị ọzọ.
Ntuziaka ngwaahịa mpi RFMISO:
RM-SGHA159-20 (4.90-7.05 GHz)
RM-SGHA90-15 (8.2-12.5 GHz)
RM-SGHA284-10 (2.60-3.95 GHz)
Broadband Horn Antennabụ antenna eji enweta ma na-ebufe ozi ikuku.Ọ nwere njirimara obosara-band, nwere ike ikpuchi akara n'ọtụtụ eriri ugboro n'otu oge, ma nwee ike ịnọgide na-arụ ọrụ dị mma n'ụdị bandwit dị iche iche.A na-ejikarị ya na sistemu nkwukọrịta ikuku, sistemu radar na ngwa ndị ọzọ chọrọ mkpuchi obosara.Ọdịdị ya dị ka ọdịdị ọnụ mgbịrịgba, nke nwere ike ịnata ma na-ebufe akara nke ọma, ma nwee ikike mgbochi mgbochi siri ike na ogologo nnyefe dị anya.
Atụmatụ ngwaahịa mpi mpi wideband RFMISO:
RM-BDHA618-10 (6-18 GHz)
RM-BDPHA4244-21 (42-44 GHz)
RM-BDHA1840-15B (18-40 GHz)
Dual Polarized Horn Antennabụ antenna emebere nke ọma ka ọ na-ebufe na ịnata ebili mmiri electromagnetic n'akụkụ ụzọ abụọ.Ọ na-enwekarị antenna mpi corrugated abụọ etinyebere, nke nwere ike ibunye ma nata akara ngosi n'akụkụ kwụ ọtọ na kwụ ọtọ.A na-ejikarị ya na radar, nkwukọrịta satịlaịtị na usoro nkwurịta okwu mkpanaka iji melite arụmọrụ na ntụkwasị obi nke nnyefe data.Ụdị antenna a nwere nhazi dị mfe yana ịrụ ọrụ kwụsiri ike, a na-ejikwa ya na teknụzụ nkwukọrịta ọgbara ọhụrụ.
RFMISO ntụnye ngwaahịa mpi polarization abụọ:
RM-BDPHA0818-12 (0.8-18 GHz)
RM-CDPHA218-15 (2-18 GHz)
RM-DPHA6090-16 (60-90 GHz)
Antenna polarization okirikiribụ antenna ahaziri ahazi nke nwere ike ịnata ma bufee ebili mmiri electromagnetic n'akụkụ kwụ ọtọ na kwụ ọtọ n'otu oge.Ọ na-enwekarị ntụzịaka okirikiri na ọnụ mgbịrịgba nwere ụdị pụrụ iche.Site na usoro a, enwere ike nweta nnyefe na nnabata nke okirikiri.A na-eji ụdị antenna a eme ihe n'ọtụtụ ebe na radar, nkwukọrịta na sistemu satịlaịtị, na-enye ikike nnyefe na nnabata nke ntụkwasị obi karịa.
RFMISO ntụnye ngwaahịa mpi mpi nwere okirikiri:
RM-CPHA82124-20 (8.2-12.4GHz)
RM-CPHA09225-13 (0.9-2.25GHz)
RM-CPHA218-16 (2-18 GHz)
Uru nke mpi mpi
1. Ọ dịghị resonant components na ike na-arụ ọrụ na a sara mbara bandwit na obosara ugboro nso.
2. Oghere obosara na-abụkarị 10: 1 (1 GHz - 10 GHz), mgbe ụfọdụ ruo 20: 1.
3. Nhazi dị mfe.
4. Ọ dị mfe ijikọ na waveguide na ahịrị ndepụta coaxial.
5. Site na oke ebili mmiri dị ala (SWR), ọ nwere ike belata ebili mmiri guzoro ọtọ.
6. Ezi impedance dakọtara.
7. Arụmọrụ kwụsiri ike n'ogologo oge niile.
8. Nwere ike ịmepụta obere mpempe akwụkwọ.
9. Ejiri ya dị ka mpi nri maka nnukwu antenna parabolic.
10. Nye ntụziaka ka mma.
11. Zenarị ebili mmiri guzo ọtọ.
12. Ọ dịghị resonant components na ike na-arụ ọrụ n'elu a mbara bandwit.
13. Ọ nwere ntụziaka siri ike ma na-enye ntụziaka dị elu.
14. Na-enye obere echiche.
Ngwa nke mpi mpi
A na-eji antennas ndị a eme ihe maka nyocha nke mbara igwe yana ngwa dabere na microwave.Enwere ike iji ha dị ka ihe nri maka ịlele parampat antenna dị iche iche na ụlọ nyocha.N'oge ugboro microwave, enwere ike iji antennas ndị a ma ọ bụrụhaala na ha nwere uru na-agafeghị oke.Iji rụpụta ọrụ uru ọkara, nha mpi mpi ga-abụrịrị ibu.Ụdị antenna ndị a dabara adaba maka igwefoto ọsọ iji zere ndabichi na nzaghachi ntụgharị uche achọrọ.Ndị na-egosipụta parabolic nwere ike inwe obi ụtọ site na inye ihe ndị dị ka antenna mpi, si otú ahụ na-amụnye ndị na-atụgharị uche site na iji ohere dị elu ha na-enye.
Ka ịmatakwu biko gaa na anyị
Ekwentị: 0086-028-82695327
Oge nzipu: Mar-28-2024
