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  • zaus ntawm lub kav hlau txais xov

Xov xwm

  • Xov Xwm Txog Lub Tuam Txhab
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zaus ntawm lub kav hlau txais xov

Ib lub kav hlau txais xov uas muaj peev xwm xa lossis txais cov nthwv dej hluav taws xob (EM). Piv txwv ntawm cov nthwv dej hluav taws xob no suav nrog lub teeb los ntawm lub hnub, thiab cov nthwv dej uas koj lub xov tooj ntawm tes tau txais. Koj lub qhov muag tau txais cov kav hlau txais xov uas ntes tau cov nthwv dej hluav taws xob ntawm ib qho zaus tshwj xeeb. "Koj pom cov xim (liab, ntsuab, xiav) hauv txhua nthwv dej. Liab thiab xiav tsuas yog cov zaus sib txawv ntawm cov nthwv dej uas koj lub qhov muag tuaj yeem ntes tau."

微信图片_20231201100033

Txhua lub zog hluav taws xob electromagnetic kis mus rau hauv huab cua lossis qhov chaw ntawm tib qhov ceev. Qhov ceev no yog kwv yees li $ 671 lab ib teev (1 billion kilometers ib teev). Qhov ceev no hu ua qhov ceev ntawm lub teeb. Qhov ceev no yog kwv yees li ib lab npaug sai dua li qhov ceev ntawm cov suab nrov. Qhov ceev ntawm lub teeb yuav raug sau rau hauv kab zauv rau "C". Peb yuav ntsuas lub sijhawm ntev li ntawm meters, hauv vib nas this, thiab hauv kilograms. Cov kab zauv rau yav tom ntej peb yuav tsum nco ntsoov.

Cov duab 20231201100126

Ua ntej peb txhais cov zaus, peb yuav tsum txhais cov nthwv dej hluav taws xob (electromagnetic waves) yog dab tsi. Qhov no yog lub zog hluav taws xob uas nthuav tawm ntawm qee qhov chaw (antenna, lub hnub, lub xov tooj cua, lossis lwm yam). Kev mus ncig hauv lub zog hluav taws xob muaj lub zog sib nqus cuam tshuam nrog nws. Ob lub zog no tsim cov nthwv dej hluav taws xob.

Lub ntiaj teb tso cai rau cov nthwv dej no kom muaj txhua yam duab. Tab sis qhov tseem ceeb tshaj plaws yog nthwv dej sine. Qhov no tau kos duab hauv Daim Duab 1. Cov nthwv dej electromagnetic sib txawv nrog qhov chaw thiab lub sijhawm. Cov kev hloov pauv ntawm qhov chaw tau pom hauv Daim Duab 1. Cov kev hloov pauv ntawm lub sijhawm tau pom hauv Daim Duab 2.

xov xwm tshiab_20231201101708

daim duab 1. Sine wave plotted ua ib qho function ntawm qhov chaw.

2 ntxiv

daim duab 2. Kos ib lub sine wave ua ib qho function ntawm lub sijhawm.

Cov nthwv dej yog cov uas tsis tu ncua. Cov nthwv dej rov ua dua ib zaug txhua ob hauv daim duab "T". Plotted ua ib qho function hauv qhov chaw, tus lej ntawm meters tom qab cov nthwv dej rov ua dua yog muab ntawm no:

3-1

Qhov no hu ua wavelength. Zaus (sau ua "F") tsuas yog tus naj npawb ntawm cov voj voog tiav uas nthwv dej ua tiav hauv ib ob (lub voj voog ob puas xyoo yog pom ua lub luag haujlwm ntawm lub sijhawm sau ua 200 Hz lossis 200 "hertz" ib ob). Hauv lej, qhov no yog tus qauv sau hauv qab no.

Cov duab 20231201114049

Ib tug neeg taug kev ceev npaum li cas nyob ntawm lawv cov kauj ruam loj (wavelength) muab faib rau lawv cov kauj ruam (zaus). Kev mus ncig ntawm nthwv dej zoo sib xws hauv qhov ceev. Kev nrawm ntawm nthwv dej oscillations ("F") muab faib rau qhov loj ntawm cov kauj ruam uas nthwv dej mus txhua lub sijhawm () muab qhov ceev. Cov qauv hauv qab no yuav tsum tau nco ntsoov:

Cov duab 20231201102734
999

Hauv kev xaus lus, zaus yog qhov ntsuas seb nthwv dej oscillates sai npaum li cas. Txhua nthwv dej electromagnetic mus ncig tib qhov ceev. Yog li ntawd, yog tias nthwv dej electromagnetic oscillates sai dua nthwv dej, nthwv dej ceev dua kuj yuav tsum muaj qhov wavelength luv dua. Qhov wavelength ntev dua txhais tau tias qhov zaus qis dua.

E-mail:info@rf-miso.com

Xov tooj: 0086-028-82695327

Lub Vas Sab Hauv Internet: www.rf-miso.com

3-1

Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-01-2023
duab hauv qab
Nrog pab pawg tsim qauv uas muaj kev paub dhau los thiab cov khoom siv kuaj ntsuas siab heev, RF MISO tau khaws ntau yam antennas txheem siv hauv radar, kev tiv thaiv lub tebchaws, tub rog, aerospace thiab lwm yam teb.
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sau npe yuav peb tsab ntawv xov xwm

Yog tias koj muaj lus nug txog peb cov khoom lossis daim ntawv teev nqi, thov tawm rau peb thiab peb yuav kov tsis pub dhau 24 teev.
nug tam sim no
    Ua raws li peb ntawm
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