Lub thickness ntawm ib txoj hlua cuam tshuam li cas wavelength?
Lub thickness ntawm ib txoj hlua cuam tshuam li cas wavelength?

Video: Lub thickness ntawm ib txoj hlua cuam tshuam li cas wavelength?

Video: Lub thickness ntawm ib txoj hlua cuam tshuam li cas wavelength?
Video: Yuav tawm ntawm txoj kev txom nyem tau li cas? 2024, Kaum ib hlis
Anonim

Thaum qhov ntev ntawm a txoj hlua hloov, nws yuav vibrate nrog ib tug sib txawv zaus. luv dua hlua muaj ntau zaus thiab yog li siab dua suab. tuab hlua nrog loj diameters vibrate qeeb thiab muaj tsawg zaus dua li nyias.

Ua kom pom qhov no, puas yog qhov thickness cuam tshuam qhov wavelength?

Ntawm qhov tod tes, yog zaj duab xis tuab yog 1/2 wavelength , thawj nthwv dej tau txais 1/2 wavelength hloov thiab lwm tus tau txais ib wavelength ua haujlwm; cov nthwv dej no yuav thim ib leeg tawm. Nco ntsoov tias ib tug yuav tsum tau ceev faj heev nyob rau hauv kev soj ntsuam nrog cov wavelength ,vim wavelength nyob ntawm qhov Performance index ntawm refraction.

Tsis tas li ntawd, vim li cas cov hlua ntawm cov suab nrov qis dua thiab hnyav dua? Yog vim li cas cov hlua ntawm lub suab qis yog tuab dua los yog hnyav dua . Thaum lub txoj hlua yog tuab dua los yog hnyav dua , nws linear huab hwm coj ceev Μ nce. Li no, thaum linear mass density nce, qhov zaus txo, uas ces a qis suab yog tsim.

Tib neeg kuj nug, qhov tuab ntawm txoj hlua cuam tshuam li cas?

Cov thickness ntawm ib txoj hlua muaj feem xyuam rau nws suab . Yog ob hlua yog tib qhov ntev, cov txoj hlua tuab yuav muaj qis dua suab dua li nyias txoj hlua . Lub zog ntawm a txoj hlua kuj muaj feem xyuam rau nws suab . Thaum a txoj hlua yog txhawb ntawm ob lub ntsiab lus thiab plucked, nws vibrates thiab ua suab.

Puas yog cov hlua guitar los ntawm tuab mus rau nyias?

Ib qho ntawm cov laj thawj tseem ceeb ntawm kev siv cov ntsuas siab dua guitar hlua yog rau alternate, qis pitched tunings. Qhov ntxiv nro muab los ntawm thicker hlua yuav nres lub guitar tone los ntawm xoob thiab nyias.

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