Xyoo 2020, peb yuav koom tes nrog Huawei hauv Suav teb los tsim ntau txhiab lub chaw nres tsheb wireless cellular tag nrho, thiab peb yuav muab cov microstrip power dividers nrog cov zaus ntawm 0.5/6g thiab 1-50g ua cov khoom siv txhawb nqa.
Yuav muaj ntau cov khoom siv hauv chaw nres tsheb xov tooj ntawm tes wireless ntxiv rau xyoo 2021, thiab tag nrho cov naj npawb yuav tshaj kaum tawm txhiab lub cuab yeej.
Cov zaus bands tsim nyog rau kev sib txuas lus satellite
Lub Sijhawm: 2021-10-28
ITU txhais cov zaus bands, uas siv rau kev sib txuas lus satellite.
UHF (Ultra High Frequency) lossis decimeter wave frequency band, qhov zaus ntau yog 300MHz-3GHz.
Cov zaus no sib raug rau IEEE UHF (300MHz-1GHz), L (1-2GHz), thiab S (2-4GHz) cov zaus.
Cov nthwv dej xov tooj cua UHF zaus ze rau txoj kab pom kev, yooj yim thaiv los ntawm roob thiab tsev, thiab lwm yam, thiab kev txo qis kev sib kis hauv tsev yog qhov loj heev.
SHF (Super High Frequency) lossis centimeter nthwv dej zaus band, qhov ntau zaus yog 3-30GHz.
Cov zaus band no sib raug rau IEEE S (2-4GHz), C (4-8GHz), Ku (12-18GHz), K (18-27GHz) thiab Ka (26.5-40GHz) cov zaus band.
Cov nthwv dej decimeter muaj qhov ntev ntawm 1cm-1dm, thiab lawv cov yam ntxwv ntawm kev nthuav dav yog ze rau cov nthwv dej teeb.
EHF (Extremely High Frequency) lossis millimeter wave frequency band, qhov ntau zaus yog 30-300GHz.
Cov zaus band no sib xws rau IEEE's Ka (26.5-40GHz), V (40-75GHz) thiab lwm cov zaus band.
Cov teb chaws uas tsim kho tau pib npaj siv 50/40GHz Q/V zaus bands ntawm cov rooj vag ntawm cov kev pabcuam satellite ruaj khov (HDFSS) thaum cov peev txheej Ka-band kuj tseem nruj.
Peb kuj tseem tuaj yeem kho cov khoom siv rf passive raws li koj xav tau. Koj tuaj yeem nkag mus rau nplooj ntawv kho kom raug kom muab cov lus qhia koj xav tau.
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Lub sijhawm tshaj tawm: Kaum Ib Hlis-18-2021
