$LMEC-15 Interference, Diffraction thiab Velocity Measurement of Sound Wave Featured Duab$

$LMEC-15 Interference, Diffraction thiab Velocity Measurement of Sound Wave$

LMEC-15 Interference, Diffraction thiab Velocity Measurement of Sound Wave

Lus piav qhia luv luv:

Nco tseg: oscilloscope tsis suav nrog

Hauv kev siv cov tswv yim, kev ntsuas ntawm ultrasonic propagation tshaj tawm yog qhov tseem ceeb hauv kev ntsuas ntawm ultrasonic ntau yam, qhov chaw, cov kua ntws tawm, cov khoom siv elastic modulus thiab cov roj kub kub.Lub suab nrawm ntsuas kev ntsuas ntsuas ntsuas tsim los ntawm peb lub tuam txhab yog cov cuab yeej siv ntau yam kev sim.Nws tuaj yeem tsis tsuas yog saib xyuas qhov tshwm sim ntawm kev sawv nthwv dej thiab kev cuam tshuam resonance, ntsuas qhov kev nthuav tawm ceev ntawm lub suab hauv huab cua, tab sis kuj saib xyuas qhov cuam tshuam ob npaug thiab ib qho kev cuam tshuam ntawm lub suab nthwv dej, ntsuas qhov wavelength ntawm lub suab nthwv dej hauv huab cua, saib Kev cuam tshuam ntawm thawj nthwv dej thiab cov nthwv dej reflected, thiab lwm yam. Los ntawm kev sim, cov tub ntxhais kawm tuaj yeem paub cov ntsiab lus tseem ceeb thiab kev sim ntawm yoj txoj kev xav.

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Kev sim

1. Tsim thiab tau txais ultrasound

2. Ntsuas lub suab nrawm hauv huab cua uas siv cov theem thiab cov kev cuam tshuam resonance

3. Kawm txog kev cuam tshuam ntawm qhov cuam tshuam ntawm lub suab nthwv dej thiab qub, piv txwv li suab nthwv dej "LLoyd iav" kev sim

4. Saib xyuas thiab ntsuas qhov cuam tshuam ob npaug thiab ib leeg-slit diffraction ntawm lub suab yoj

Specifications

Kev piav qhia	Specifications
Sine wave signal generator	Ntau zaus: 38 ~ 42 khz.lus: 1hz
Ultrasonic transducer	Piezo-ceramic nti.Oscillation zaus: 40.1 ± 0.4 khz
Vernier caliper	Ntau yam: 0 ~ 200mm.Qhov tseeb: 0.02mm
Ultrasonic receiver	Kev sib hloov ntau yam: -90 ° ~ 90 °.unilateral scale: 0 ° ~ 20 °.Kev faib tawm: 1 °
Kev ntsuas qhov tseeb	<2% rau theem txheej txheem