2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus OTDR ntsuas qhov deb thiab poob ntawm ob lub cim. Qhov no tuaj yeem siv los ntsuas qhov poob ntawm qhov ntev ntawm fiber ntau, qhov twg OTDR yuav xam qhov sib npaug ntawm cov fiber ntau, lossis poob ntawm qhov sib txuas lossis sib txuas.
Kuv yuav nyeem daim ntawv qhia OTDR li cas?
Ua ntej tso ib qho ntawm cov cim lossis tus cursors (feem ntau hu ua 1 lossis A ntawm koj li OTDR) ua ntej lub ncov ncov. Tom ntej no, tso tus cim thib ob (hu ua 2 lossis B ntawm koj li OTDR) tsuas yog tom qab qhov kev xav txog qhov kawg. OTDR yuav xam qhov poob ntawm ob lub cim.
Kev xeem OTDR yog dab tsi?
Ib Lub Sijhawm Optical Domain Reflectometer (OTDR) yog khoom siv uas ntsuas kev ncaj ncees ntawm fiber ntau cablethiab siv rau lub tsev, lees paub, tswj, thiab daws teeb meem fiber ntau optic systems.
OTDR txoj cai ua haujlwm yog dab tsi?
Ib OTDR xa luv luv pulses ntawm lub teeb rau hauv fiber ntau. Lub teeb tawg tuaj yeem tshwm sim hauv cov fiber ntau vim qhov tsis sib xws xws li cov khoom sib txuas, splices, khoov, thiab ua txhaum. OTDR tom qab ntawd kuaj thiab txheeb xyuas cov teeb liab rov qab. Lub teeb liab lub zog yog ntsuas rau ib ntus ntawm lub sijhawm thiab siv los qhia cov xwm txheej.
OTDR xam qhov deb li cas?
Ib OTDR siv cov fiber ntau "index of refraction" (IOR) tus nqilos xam qhov nrug. Qhov no yog muab los ntawm cov tuam txhab fiber ntau thiab nkag mus rau hauv qhov chaw ntawm koj OTDR. Nrog rau tus nqi IOR txoj cai, koj yuav tau txais ib qhoDaim ntawv qhia ntev fiber ntau thiab qhov tseeb nrug rau 'cov xwm txheej' xws li cov khoom sib txuas, so, thiab lwm yam.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Puas yog tsab ntawv ceeb toom kom tshem tawm?
Thaum sau los ntawm tus tswv tsev, tsab ntawv ceeb toom kom tawm mus yog feem ntau hu ua "kev ceeb toom tawm," uas qhia tus neeg xauj tsev tias lawv yuav tsum tsiv tawm ntawm lub tsev xauj. … Thaum koj yuav tsum tau tsiv tawm ntawm lub tsev xauj tsev.
Thaum twg siv ceeb toom thiab ceeb toom?
remind: kom ib tug xav txog ib yam ntxiv Yog koj xav txog "remind" li phrasal verb with "remind of", nws yuav tsum pab. Ib tug neeg los yog ib yam dab tsi "reminds you of" ib tug neeg los yog lwm yam. Ib tug neeg lossis ib yam khoom kuj "
Vim li cas tsab ntawv ceeb toom txhua hnub tseem ceeb?
Daim ntawv tshaj tawm ua haujlwm txhua hnub yog siv tau zoo rau kev tswj hwm koj txoj haujlwm thiab koj tus kheej lub neej. Nws pab koj taug qab koj lub sijhawm thiab ua kom koj tsuas yog tsom mus rau yam tseem ceeb txhua hnub. Vim li cas kev tshaj tawm tseem ceeb?
Tsab ntawv ceeb toom yog dab tsi?
Daim ntawv ceeb toom tsim nyog yog cov ntawv tseeb tseeb uas qhia tias tus neeg lossis lub koom haum yuav tsum tau paub, raws li tus neeg tsim nyog yuav tsum muaj, ntawm kev txiav txim siab raug cai lossis raug coj, txawm tias lawv tsis muaj kev paub txog nws.
