Video: Puas yog GPS yog thev naus laus zis?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
Lub Ntiaj Teb Txoj Haujlwm Tso Tawm ( GPS ) yog kev xav tsis thoob uas ua tau los ntawm pab pawg ntawm cov hnub qub hauv ntiaj teb. Nws xa cov cim qhia meej, tso cai GPS receiversto xam thiab tso saib qhov chaw raug, ceev, thiab cov ntaub ntawv sijhawm rau tus neeg siv. GPS yog muaj los ntawm US
Ib qho ntxiv, puas yog GPS yog txhua qhov chaw huab cua thev naus laus zis?
Lo lus teb yog 'yog thiab tsis yog'. Txawm hais tias qee qhov atmosphericconditions zoo li nag lossis daus tuaj yeem ua rau tsis muaj zog GPS teeb liab, lawv feem ntau tsis cuam tshuam GPS txais tos, tab sis txawm li cas los qhov no tuaj yeem siv rau qhov chaw ntawm tus kav hlau txais xov.
Ib qho ntxiv, GPS ua li cas? Lub Ntiaj Teb Txoj Haujlwm Tso Tawm ( GPS ) yog ua nce ntawm satellites, cov chaw hauv av, thiab cov txais. GPS yog ib qhov system. Nws yog ua txog peb ntu: satellites, cov chaw hauv av, thiab cov txais. Thaum tus txais tau suav nws qhov deb ntawm plaub lossis ntau lub hnub qub, nws paub tseeb tias koj nyob qhov twg.
Ua raws li qhov xav tau, GPS yog dab tsi thiab nws ua haujlwm li cas?
Ntiaj teb no Positioning System ( GPS ) yog lub network ntawm kwv yees li 30 lub hnub qub ya ncig lub ntiaj teb ntawm qhov siab ntawm 20, 000km. Cov teeb liab no, taug kev ntawm lub teeb nrawm, raug cuam tshuam los ntawm koj GPS receiver, uas xam qhov deb ntawm txhua lub satellite raws li ntev npaum li cas nws siv rau cov lus tuaj txog.
Puas muaj huab cuam tshuam rau GPS?
Huab , Los nag, Daus, huab cua feem ntau ua TSIS attenuate lub GPS teeb liab txaus los ua kom raug. Ascan pom hauv qab no, tag nrho cov huab cua poob (los ntawm txhua qhov ua rau suav nrog nag, huab , daus, pos huab, thiab lwm yam) tab sis yog 2db. Qhov no yog qhov sib piv nrog lwm qhov sib txawv.
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