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Hluav taws xob Tuning kav hlau txais xov
Qee qhov kev piav qhia ntawm Nouns: RET: Remote Electrical Tiling RCU: Remote Control Unit CCU: Central Control Unit Mechanical and electronicly tuning antennas 1.1 Mechanical downtilt refers to thedirect adjustment of the body tilt angle of the antenna to change the beam coverage.Hluav taws xob ...Nyeem ntxiv -
Qhov sib txawv ntawm digital walkie-talkie thiab analog walkie-talkie
Raws li peb txhua tus paub, walkie-talkie yog cov cuab yeej tseem ceeb hauv wireless intercom system.Lub walkie-talkie ua raws li qhov txuas ntawm lub suab xa mus rau hauv kev sib txuas lus wireless.Cov digital walkie-talkie tuaj yeem muab faib ua zaus faib ntau qhov nkag (FDMA) thiab sijhawm faib ntau qhov kev nkag ...Nyeem ntxiv -
Lub ntsiab lus nrawm ntawm lub ntiaj teb 5G spectrum
Kev nthuav dav sai ntawm lub ntiaj teb 5G spectrum Txog tam sim no, qhov kev nce qib tshiab kawg, tus nqi, thiab kev faib tawm ntawm lub ntiaj teb 5G spectrum hauv qab no: (txhua qhov chaw tsis raug, thov kho kuv) 1.Tuam Tshoj Ua ntej, cia peb saib ntawm 5G spectrum faib ntawm plaub Cov neeg ua haujlwm loj hauv tsev!Tuam Tshoj txawb 5G zaus...Nyeem ntxiv -
Nrog 5G, peb puas tseem xav tau kev sib koom tes ntiag tug?
Xyoo 2020, kev tsim kho 5G network nkag mus rau txoj kab nrawm, kev sib txuas lus pej xeem (tom qab no hu ua pej xeem network) tab tom txhim kho sai nrog qhov xwm txheej tsis tau muaj dua.Tsis ntev los no, qee cov xov xwm tshaj tawm tias piv nrog cov pej xeem network, kev sib txuas lus ntiag tug netwo ...Nyeem ntxiv -
Peb tuaj yeem ua li cas thaum rov ua tus kheej excitation?
Peb tuaj yeem ua li cas thaum rov ua tus kheej excitation?Dab tsi yog mobile teeb liab repeater tus kheej excitation?Self-excitation txhais tau hais tias lub teeb liab amplified los ntawm lub repeater nkag mus rau qhov kawg tau txais rau lub thib ob amplification, uas ua rau lub hwj chim amplifier ua hauj lwm nyob rau hauv ib tug saturated lub xeev.Tus kheej-exc...Nyeem ntxiv -
Yuav piav qhia thiab xam dB, dBm, dBw… qhov txawv ntawm lawv li cas?
Yuav piav qhia thiab xam dB, dBm, dBw… qhov txawv ntawm lawv li cas?dB yuav tsum yog lub tswv yim yooj yim tshaj plaws hauv kev sib txuas lus wireless.Peb feem ntau hais tias "kev sib kis tsis zoo yog xx dB," "kev xa hluav taws xob yog xx dBm," "tus kav hlau txais xov nce yog xx dBi" ... Qee zaum, qhov dB X no yuav tsis meej pem thiab txawm tias ...Nyeem ntxiv -
Huawei Harmony OS 2.0: Nov yog txhua yam koj yuav tsum paub
Huawei Harmony OS 2.0 sim ua dab tsi?Kuv xav tias lub ntsiab lus yog, IoT (Internet of Things) operating system yog dab tsi?Raws li rau lub ntsiab lus nws tus kheej, nws tuaj yeem hais tau tias feem ntau ntawm cov lus teb hauv online yog to taub yuam kev.Piv txwv li, feem ntau cov ntawv ceeb toom xa mus rau lub embedded system uas khiav ntawm ib tug ntaus ntawv thiab Har ...Nyeem ntxiv -
Qhov txawv ntawm 5G thiab 4G yog dab tsi?
Qhov txawv ntawm 5G thiab 4G yog dab tsi?Hnub no zaj dab neeg pib nrog ib tug qauv.Nws yog ib qho yooj yim tab sis tej yam yees siv mis.Nws yooj yim vim nws tsuas muaj peb tsab ntawv xwb.Thiab nws yog amazing vim nws yog ib tug qauv uas muaj cov paub tsis meej ntawm kev sib txuas lus technology.Cov mis yog: Cia kuv mus ex...Nyeem ntxiv -
Qhov zoo tshaj plaws walkie talkie hauv 2021 - txuas lub ntiaj teb seamlessly
Qhov zoo tshaj plaws walkie talkie hauv 2021 - txuas lub ntiaj teb seamlessly Ob-txoj kev xov tooj cua, los yog walkie-talkies, yog ib qho ntawm txoj kev sib txuas lus ntawm ob tog.Koj tuaj yeem tso siab rau lawv thaum kev pabcuam xovtooj ntawm tes tsis pom, lawv tuaj yeem sib tham nrog ib leeg, thiab lawv yog cov cuab yeej tseem ceeb nyob rau hauv hav zoov ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm 5G thiab WiFi?
Qhov tseeb, kev sib piv ntawm cov tswv yim 5G thiab WiFi tsis tsim nyog.Vim tias 5G yog "tiam thib tsib" ntawm kev sib txuas lus xov tooj ntawm tes, thiab WiFi suav nrog ntau "tiam" versions xws li 802.11/a/b/g/n/ac/ad/ax, nws zoo li qhov sib txawv ntawm Tesla thiab Tsheb ciav hlau. ....Nyeem ntxiv -
5G kev sib tw - Puas yog 5G tsis muaj txiaj ntsig?
Puas yog 5G tsis muaj txiaj ntsig?-Yuav daws li cas 5G cov kev cov nyom rau cov chaw muab kev sib txuas lus?Kev tsim kho vaj tse tshiab yog qhov tseem ceeb heev rau lub teb chaws txoj kev loj hlob ntawm kev lag luam.Kev tsim kho 5G network yog ib feem tseem ceeb ntawm kev tsim kho vaj tse tshiab.Qhov sib xyaw ...Nyeem ntxiv -
Lub xov tooj 5G muaj zog npaum li cas?
Nrog rau kev tsim kho ntawm 5G network, 5G lub hauv paus chaw nres tsheb tus nqi yog siab heev, tshwj xeeb tshaj yog vim qhov teeb meem ntawm kev siv hluav taws xob loj tau paub dav.Nyob rau hauv Tuam Tshoj Mobile cov ntaub ntawv, los txhawb ib tug high-ceev downlink, nws 2.6GHz xov tooj cua zaus module yuav tsum tau 64 raws thiab ib tug siab tshaj plaws ntawm ...Nyeem ntxiv
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