Ka-band

Ka-band ?? K _a band ??? ???? ????? ? ??????? ???????????? , ????? ?? ?????? ?? 26.5?40 ????-???, ^[1] ????? ????? ?? ???? ??? ??????? ??? ??? ??-7.5 ?"?. ^[2] K _a ??? ??? ? K-band ????? ????? ??????? ?? ???????? ???????????? . ??? ?? ?????? ? "K-??????": ?????? ?????, ?????? ??????? ??? K-band. ???? 30/20GHz ?????? ??????? ?????? , ???? 27.5 ???? ??? ?-31 ???? ??? , ^[3] ???"??? ????????? ????? ????? ????, ?? ?????? ??????. ??? ????? ????? ?????? ?????? ?????? ??? ?? ??? ?????? ????? ????. ?????? ???? ???? ????? ????? ????? ?? ??? ?????? ?????? ?????? ?? ??? ?????? ????.

?????? Ka ??? ???? ?????? ?? K urz- a bove, ????? ?? ????? ??????? "????", ?????? "???". ^[4]

??????? ????????, K _a ????? ?????? ????? ?? ???? ????. ??? ???? ?? ????? ??????? I-5. ^[5] ????? ?? ???? ????????? ???? Iridium Next ??? ?????? ???? ?'???? ?? ?. K _a ???? ???? ? ????? ??? (Rain attenuation) ???? Ku , ??? ????? ???? ???? ???? C band.

????? ?????? [ ????? ??? ???? | ????? ]

^ ? ???????, ? Bretchko, RF ????? ??????, ?????? ???????? , ?????? ???, ??? ? ' ???, 2000.
^ ??????? ?? ???? ???? ???? I. ?????? ?? ???? .
^ Ka band"
^ http://www.itwissen.info/definition/lexikon/K-Band-K-band.html (??????)
^ Inmarsat Announces $1.2bn Investment in Next Generation Ka-band Satellite Network

??? ?? ??? ????? ????? ?????? ?????? ?????? . ??? ??????? ????? ?????????? ? ?????? ???? .

[1] ? ???????, ? Bretchko, RF ????? ??????, ?????? ???????? , ?????? ???, ??? ? ' ???, 2000.

[2] ??????? ?? ???? ???? ???? I. ?????? ?? ???? .

[3] Ka band"

[4] ttp://www.itwissen.info/definition/lexikon/K-Band-K-band.html (??????)

[5] Inmarsat Announces $1.2bn Investment in Next Generation Ka-band Satellite Network

[1]

[2]

[3]

[4]

[5]