Coincidence Frequency Measurement
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Formula:
f c = [ sqrt(3)c2/pi*d ] * [ sqrt(ρ/Y) ]
where,
fc = Coincidence Frequency [Hz]
c = Speed of sound in air [ms-1]
d = Thickness of panel [m]
ρ = Density of panel [kgm-3]
Y = Young\'s modulus of panel [Nm-2]
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