Qhov txawv ntawm IR thiab RF yog dab tsi?

Infrared yog luv ua IR. Nws yog ib hom hluav taws xob electromagnetic nrog wavelengths uas ntev dua li lub teeb pom kev tab sis luv dua li cov xov tooj cua. Nws feem ntau siv rau kev sib txuas lus wireless vim tias cov teeb liab infrared yuav xa tau yooj yim thiab tau txais siv IR diodes. Piv txwv li, infrared (IR) yog siv dav rau kev tswj hwm chaw taws teeb ntawm cov khoom siv hluav taws xob xws li TV thiab DVD players. Nws kuj tseem siv tau rau kev ua kom sov, ziab, kev soj ntsuam, thiab spectroscopy, ntawm lwm yam.

Zaus Xov Tooj Cua yog luv ua RF. Nws yog hais txog ntau yam ntawm cov zaus hluav taws xob uas feem ntau siv rau kev sib txuas lus wireless. Qhov no suav nrog cov zaus uas ntev li ntawm 3 kHz txog 300 GHz. Los ntawm kev hloov pauv qhov zaus, qhov loj me, thiab theem ntawm nthwv dej nqa khoom, cov teeb liab RF tuaj yeem thauj cov ntaub ntawv hla qhov deb heev. Ntau daim ntawv thov siv cov thev naus laus zis RF, suav nrog kev sib txuas lus, kev tshaj tawm, radar systems, kev sib txuas lus satellite, thiab kev sib txuas lus wireless. Cov xov tooj cua transmitters thiab receivers, WiFi routers, xov tooj ntawm tes, thiab GPS gadgets yog cov piv txwv ntawm cov khoom siv RF.

Ob qho tib si IR (Infrared) thiab RF (Xov Tooj Cua Zaus) yog siv dav rau kev sib txuas lus wireless, tab sis muaj qee qhov sib txawv loj:
1. Ntau yam: RF muaj ntau yam ntau dua li infrared. Cov xov tooj cua RF tuaj yeem hla dhau phab ntsa, thaum cov teeb liab infrared tsis tuaj yeem hla dhau.
2. Kab pom kev: Cov xov tooj cua infrared xav tau kab pom kev meej ntawm lub transmitter thiab receiver, tab sis cov teeb liab xov tooj cua tuaj yeem ntws los ntawm cov khoom thaiv.
3. Kev Cuam Tshuam: Kev cuam tshuam los ntawm lwm cov khoom siv wireless hauv cheeb tsam tuaj yeem cuam tshuam rau cov teeb liab RF, txawm hais tias kev cuam tshuam los ntawm cov teeb liab IR yog qhov tsis tshua muaj.
4. Bandwidth: Vim tias RF muaj bandwidth ntau dua li IR, nws tuaj yeem nqa cov ntaub ntawv ntau dua ntawm tus nqi sai dua.
5. Kev siv hluav taws xob: Vim tias IR siv hluav taws xob tsawg dua li RF, nws zoo dua rau cov khoom siv nqa tau xws li cov chaw taws teeb tswj.

Hauv kev xaus, IR zoo dua rau kev sib txuas lus luv luv, kab-ntawm-pom, thaum RF zoo dua rau kev sib txuas lus ntev dua, nkag mus rau hauv qhov teeb meem.

Tiv tauj pebthiab peb tuaj yeem qhia ntau cov ntaub ntawv hais txog LED strip teeb.