Waves, Oscillations & Acoustics
3 terms
Lissajous Figures
Waves, Oscillations & Acoustics
N/A
Complex geometric curves traced by combining two perpendicular simple harmonic oscillations.
x(t) = A sin(a t + δ), y(t) = B sin(b t)
Longitudinal Wave
Waves, Oscillations & Acoustics
m
A wave in which medium particles oscillate parallel to the direction of wave energy propagation.
s(x,t) = s_max cos(k x - ω t)
Loudness
Waves, Oscillations & Acoustics
Sone (or Phon)
The subjective human psychological sensation of sound strength, depending on physical intensity and ear frequency response.
Loudness ∝ log10(I / I0)