Q-band thiab EHF-band: Daim Ntawv Thov thiab Kev Cia Siab ntawm Cov Tshuab High Frequency

Q-band thiab EHF (Extremely High Frequency) band yog cov zaus tseem ceeb hauv electromagnetic spectrum, nrog cov yam ntxwv tshwj xeeb thiab kev siv dav.

Q-band:

Q-band feem ntau yog hais txog qhov zaus ntawm 33 thiab 50 GHz, uas nyob hauv EHF ntau yam.

Nws cov yam ntxwv tseem ceeb muaj xws li:

Zaus siab: luv wavelength, li 6 txog 9 hli.

Bandwidth siab: tsim nyog rau kev xa cov ntaub ntawv ceev ceev.

Cov chaw siv tseem ceeb ntawm Q-band yog:

Kev sib txuas lus satellite: siv rau uplink thiab downlink ntawm high-throughput satellite (HTS) systems los muab cov kev pabcuam internet broadband.

Kev sib txuas lus microwave hauv av: siv rau kev xa cov ntaub ntawv luv luv, muaj peev xwm siab.

Kev kawm txog xov tooj cua: siv los soj ntsuam cov chaw muaj xov tooj cua ntau zaus hauv lub ntiaj teb.

Tsheb radar: radar luv luv siv rau hauv cov txheej txheem pabcuam tsav tsheb siab heev (ADAS).

EHF band:

EHF band yog hais txog qhov ntau zaus ntawm 30 thiab 300 GHz thiab qhov wavelength yog 1 txog 10 hli, yog li nws tseem hu ua millimeter wave band.

Nws cov yam ntxwv tseem ceeb muaj xws li:

Ultra-high frequency: muaj peev xwm muab cov ntaub ntawv xa mus rau qhov siab heev.

Lub teeb nqaim: qhov loj me ntawm lub antenna thiab kev coj ua muaj zog.

Cov cheeb tsam tseem ceeb ntawm EHF band yog:

Kev sib txuas lus tub rog: siv rau cov kab ke sib txuas lus uas muaj cov kev cai ceev ntiag tug siab, xws li cov tub rog Asmeskas Milstar thiab Advanced Extremely High Frequency (AEHF) systems.

Kev sib txuas lus satellite: muab cov kev pabcuam broadband thiab txhawb nqa kev xa cov ntaub ntawv ceev ceev.

Cov tshuab radar: siv rau cov radar duab siab thiab cov radar tswj hluav taws.

Kev tshawb fawb txog kev tshawb fawb: siv rau kev tshawb pom huab cua thiab kev soj ntsuam hnub qub hauv xov tooj cua.

Cov teeb meem thiab kev txhim kho:

Txawm hais tias Q-band thiab EHF bands muaj cov kev cia siab dav dav, lawv tseem ntsib qee qhov teeb meem hauv kev siv tiag tiag:

Kev txo qis ntawm huab cua: cov teeb liab zaus siab raug rau cov yam ntxwv huab cua xws li kev txo qis ntawm nag thaum lub sijhawm kis mus, ua rau cov teeb liab txo qis.

Kev nyuaj ntawm kev siv tshuab: cov khoom siv zaus siab muaj kev tsim qauv siab thiab kev tsim khoom thiab cov nqi siab.

Yuav kom daws tau cov teeb meem no, cov kws tshawb fawb tab tom tsim cov thev naus laus zis modulation thiab coding siab heev, nrog rau cov tswv yim ntse ntawm lub rooj vag sib txawv los txhim kho kev ntseeg tau ntawm lub kaw lus thiab kev tiv thaiv kev cuam tshuam.

Xaus lus:

Q-band thiab EHF-band ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus niaj hnub no, radar thiab kev tshawb fawb.

Nrog kev nce qib ntawm thev naus laus zis, kev siv cov zaus no yuav raug nthuav dav ntxiv, muab cov cib fim tshiab rau kev txhim kho ntawm ntau qhov chaw.