BTF Testing Lab Xov tooj cua zaus (RF) taw qhia Cov duab tshwj xeeb

BTF Testing Lab Xov tooj cua zaus (RF) qhia

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Xov tooj cua zaus hu ua RF, xov tooj cua zaus yog RF tam sim no, nws yog ib hom high-frequency AC hloov electromagnetic yoj luv luv. BTF Testing Lab muaj qhov chaw kuaj xov tooj cua ua tiav. Hloov tam sim no uas hloov tsawg dua 1000 zaug ib ob yog hu ua low-frequency tam sim no, thiab zaus tam sim no uas ntau dua 10,000 zaug yog hu ua high-frequency tam sim no, thiab xov tooj cua zaus yog xws li ib tug high-frequency tam sim no. Cable TV system siv lub xov tooj cua zaus kis tau tus mob.

Hauv cov khoom siv hluav taws xob, hluav taws xob tam sim no ntws los ntawm tus neeg xyuas pib thiab ib qho chaw sib nqus nyob ib puag ncig nws. Hloov tam sim no dhau los ntawm tus neeg xyuas pib, thiab qhov chaw hloov hluav taws xob sib txawv yog tsim nyob ib ncig ntawm tus neeg xyuas pib, hu ua electromagnetic yoj.

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Thaum lub electromagnetic yoj zaus qis dua 100kHz, electromagnetic yoj yuav nqus los ntawm qhov chaw thiab tsis tuaj yeem tsim kev sib kis tau zoo, tab sis thaum lub electromagnetic yoj zaus siab dua 100kHz, electromagnetic nthwv dej tuaj yeem kis tau rau hauv huab cua thiab cuam tshuam los ntawm cov khoom siv hluav taws xob. ionosphere nyob rau sab ntug ntawm cov huab cua, tsim kom muaj peev xwm kis tau tus mob mus ntev, peb hu rau high-frequency electromagnetic yoj nrog rau qhov ntev-ntev kis tau tus mob lub xov tooj cua zaus, lus Askiv luv: RF