Optical fibers yog wired channel uas xa cov teeb liab kho qhov muag.
Peb xa mus rau qhov tsis tsim nyog cov teeb liab hluav taws xob hauv cov channel ua suab nrov. Lub suab nrov hauv kev sib txuas lus yog superimposed ntawm lub teeb liab, thiab tseem muaj suab nrov hauv kev sib txuas lus thaum tsis muaj teeb liab kis tau tus mob, thiab lub suab nrov ib txwm muaj nyob rau hauv kev sib txuas lus. Lub suab nrov tuaj yeem pom tau tias yog ib hom kev cuam tshuam hauv cov channel, tseem hu ua kev cuam tshuam ntxiv, vim nws yog superimposed ntawm lub teeb liab. Suab nrov yog teeb meem rau cov teeb liab kis tau tus mob, nws muaj peev xwm distort analog signals, ua yuam kev nyob rau hauv cov teeb liab digital, thiab txwv qhov kis tau tus nqi ntawm cov ntaub ntawv.
Raws li kev faib tawm ntawm cov peev txheej, suab nrov tuaj yeem muab faib ua ob pawg: tib neeg tsim suab nrov thiab lub suab nrov. Lub suab nrov anthropogenic yog tsim los ntawm tib neeg kev ua ub no, xws li lub txim hluav taws xob los ntawm kev xyaum hluav taws xob thiab hluav taws xob hloov mushloov, sparks los ntawm automotive ignition systems, cuam tshuam los ntawm cov teeb fluorescent, thiab hluav taws xob hluav taws xob los ntawm lwm lub xov tooj cua thiab cov khoom siv. Lub suab nrov yog ntau yam hluav taws xob hluav taws xob uas muaj nyob rau hauv qhov xwm txheej, xws li xob laim (lub teeb-ning), suab nrov hauv huab cua, thiab cosmicnoise los ntawm lub hnub thiab lub galaxy (galaxy). Tsis tas li ntawd, muaj lub suab nrov tseem ceeb heev, uas yog, lub suab nrov thermal. Thermal suab nrov los ntawm thermal txav ntawm electrons nyob rau hauv tag nrho cov resistive Cheebtsam. Piv txwv li, cov xov hlau, cov khoom siv hluav taws xob, thiab cov khoom siv semiconductor txhua tus tsim cov suab nrov thermal. Yog li ntawd, lub suab nrov thermal yog nyob txhua qhov chaw thiab inevitably tshwm sim nyob rau hauv tag nrho cov khoom siv hluav taws xob, tshwj tsis yog tias lub cuab yeej nyob ntawm qhov kub thiab txias OK. Nyob rau hauv cov khoom tiv thaiv, cov hluav taws xob dawb yog nyob rau hauv qhov kev txav mus tas li vim lawv lub zog thermal, sib tsoo nrog lwm cov khoom hauv cov lus tsa suab thiab txav mus rau hauv ib txoj hauv kev polygonal, uas yog, tshwm sim raws li Brownian tsab ntawv tsa suab. Nyob rau hauv qhov tsis muaj kev quab yuam sab nraud, qhov nruab nrab tam sim no tshwm sim los ntawm Brownian motion ntawm cov electrons yog sib npaug rau xoom, tab sis ib qho AC tam sim no tivthaiv yog generated. Cov khoom siv AC no hu ua thermal nrov. Qhov ntau zaus ntawm cov suab nrov thermal yog qhov dav heev, nws yog qhov sib npaug ntawm kwv yees li ntawm zero zaus mus txog 102Hz.
Nov yog Shenzhen HDV phoeletron Technology Ltd. los coj koj txog "lub suab nrov hauv channel" kab lus, vam tias yuav pab tau koj, Shenzhen HDV phoeletron Technology Ltd.ONUseries, transceiver series,OLTseries, tab sis kuj tsim cov module series, xws li: Kev sib txuas lus optical module, optical kev sib txuas lus module, network optical module, kev sib txuas lus kho qhov muag module, optical fiber module, Ethernet optical fiber module, thiab lwm yam., tuaj yeem muab cov kev pabcuam zoo rau cov neeg siv sib txawv. ' xav tau, txais tos koj tuaj xyuas.
