Dab tsi yog qhov node hauv ib nthwv dej sawv ntsug?
Dab tsi yog qhov node hauv ib nthwv dej sawv ntsug?

Video: Dab tsi yog qhov node hauv ib nthwv dej sawv ntsug?

Video: Dab tsi yog qhov node hauv ib nthwv dej sawv ntsug?
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A node yog ib qho point nrog a sawv nthwv dej qhov twg yoj muaj qhov tsawg kawg nkaus amplitude. Piv txwv li, hauv ib txoj hlua vibrating guitar, qhov kawg ntawm txoj hlua yog nodes . Qhov opposite ntawm a node yog anti- node , ib tug point qhov twg lub amplitude ntawm lub sawv nthwv dej yog qhov siab tshaj plaws. Cov no tshwm sim nruab nrab ntawm lub nodes.

Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog qhov sawv nthwv dej ntawm ib qho Antinode?

Cov no yog cov ntsiab lus uas undergo lub siab tshaj plaws hloov chaw thaum lub sij hawm txhua vibrational voj voog ntawm lub sawv nthwv dej . Hauv kev nkag siab, cov ntsiab lus no yog qhov sib txawv ntawm nodes , thiab yog li lawv hu ua antinodes . A sawv nthwv dej qauv ib txwm muaj ib tug alternating qauv ntawm nodes thiab antinodes.

dab tsi yog suav tias yog ib tug sawv nthwv dej? Sawv nthwv dej , kuj hu nyob ruaj nrees , kev sib xyaw ntawm ob nthwv dej tsiv nyob rau hauv opposite lus qhia, txhua tus muaj tib lub amplitude thiab zaus. Qhov tshwm sim yog qhov tshwm sim ntawm kev cuam tshuam - uas yog, thaum twg nthwv dej yog superimposed, lawv lub zog yog ntxiv ua ke los yog muab tso tseg.

Kuj tseem yuav paub yog, muaj pes tsawg ntawm cov nodes sawv nthwv dej muaj?

Qhov no sawv nthwv dej yog hu ua lub hauv paus zaus, nrog L = λ 2 L = dfrac{lambda}{2} L = 2λ?L, sib npaug, pib feem, lambda, muab faib los ntawm, 2, kawg feem, thiab muaj ob nodes thiab ib tug antinode.

Dab tsi ua rau cov nodes thiab antinodes nyob rau hauv yoj sawv?

Tag nrho sawv nthwv dej cov qauv muaj nodes thiab antinodes . Cov nodes yog cov ntsiab lus tsis muaj kev hloov pauv ua rau los ntawm kev cuam tshuam kev puas tsuaj ntawm ob nthwv dej . Cov antinodes tshwm sim los ntawm constructive cuam tshuam ntawm ob nthwv dej thiab yog li undergo qhov siab tshaj plaws hloov chaw los ntawm qhov chaw so.

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