Ulusi wa Optical ndi njira zamawaya zomwe zimatumiza ma sign a kuwala.
Timatchula zizindikiro zamagetsi zosafunikira mumsewu ngati phokoso. Phokoso mu njira yolankhulirana imayikidwa pamwamba pa chizindikirocho, ndipo palinso phokoso mu njira yolankhulirana pamene palibe chizindikiro chotumizira, ndipo phokoso limakhalapo nthawi zonse mu njira yolumikizirana. Phokoso limatha kuwonedwa ngati mtundu wa kusokoneza mu njira, yomwe imadziwikanso kuti kusokoneza kowonjezera, chifukwa imayikidwa pamwamba pa chizindikirocho. Phokoso ndi lowopsa potumiza ma siginecha, limatha kusokoneza ma siginecha a analogi, kupanga zolakwika pamasijini a digito, ndikuchepetsa kuchuluka kwa chidziwitso.
Malinga ndi gulu la magwero, phokoso likhoza kugawidwa m'magulu awiri: phokoso la anthu ndi phokoso lachilengedwe. Phokoso la Anthropogenic limapangidwa ndi zochita za anthu, monga spark kuchokera kumabowo amagetsi ndi magetsi osakhalitsa.masiwichi, kuwotchera kwa makina oyatsira magalimoto, kusokonezedwa ndi nyali za fulorosenti, ndi ma radiation a electromagnetic ochokera kumawayilesi ena ndi zida zina. Phokoso lachilengedwe ndi mitundu yosiyanasiyana ya ma radiation a electromagnetic omwe amapezeka m'chilengedwe, monga mphezi (kuwala), phokoso lamlengalenga, ndi cosmicnoise kuchokera kudzuwa ndi mlalang'amba (mlalang'amba). Kuonjezera apo, pali phokoso lofunika kwambiri lachilengedwe, ndiko kuti, phokoso lotentha. Phokoso lotentha limachokera ku kayendedwe ka kutentha kwa ma electron mu zigawo zonse zotsutsa. Mwachitsanzo, mawaya, resistors, ndi zida za semiconductor zonse zimapanga phokoso lotentha. Choncho, phokoso lotentha lili paliponse ndipo limakhalapo mosapeŵeka pazida zonse zamagetsi, pokhapokha chipangizocho chili pa kutentha kwa thermodynamic OK. Mu zigawo zotsutsa, ma elekitironi aulere amayenda mosalekeza chifukwa cha mphamvu zawo zotentha, kugundana ndi tinthu tating'onoting'ono tomwe tikuyenda ndikuyenda mwachisawawa munjira ya polygonal, ndiko kuti, kuwoneka ngati kusuntha kwa Brownian. Kupanda mphamvu zakunja, pafupifupi pano chifukwa cha kayendedwe ka Brownian ma electrons ndi ofanana ndi ziro, koma chigawo cha AC panopa chimapangidwa. Chigawo cha AC ichi chimatchedwa phokoso la kutentha. Kuchuluka kwa phokoso la matenthedwe ndikofalikira kwambiri, kumagawidwa mofanana pafupifupi kuchokera pafupi ndi zero pafupipafupi mpaka 102Hz.
Iyi ndi Shenzhen HDV phoeletron Technology Ltd. kuti ikubweretsereni nkhani ya "phokoso mu njira", ndikuyembekeza kukuthandizani, Shenzhen HDV phoeletron Technology Ltd.ONUmndandanda, transceiver mndandanda,OLTmndandanda, komanso kupanga gawo mndandanda, monga: Communication kuwala gawo, kuwala kulankhulana gawo, maukonde kuwala gawo, kulankhulana kuwala gawo, kuwala CHIKWANGWANI gawo, Efaneti kuwala CHIKWANGWANI gawo, etc., angapereke lolingana utumiki khalidwe kwa owerenga osiyanasiyana. ' zosowa, landirani kudzacheza kwanu.
