Formulario acustica

ENGINEERING ACOUSTICS EE 363N
INDEX
(p,q,r) modes ....................28 2θHP half-power beamwidth .........................................16 A absorption......................27 a absorption coefficient ....21 absorption..........................27 average .........................27 measuring.....................27 absorption coefficient ..21, 28 measuring.....................21 acousticanalogies................8 acoustic impedance........3, 10 acoustic intensity ...............10 acoustic power...................10 spherical waves ............11 acoustic pressure..............5, 9 effective..........................5 adiabatic ........................7, 36 adiabatic bulk modulus........6 ambient density................2, 6 amp......................................3amplitude.............................4 analogies..............................8 anechoic room ...................36 arbitrary direction plane wave ..................................9 architectural absorption coefficient........................28 area sphere ...........................36 average absorption.............27 average energy density ......26 axial pressure.....................19 B bulkmodulus..................6 band frequency......................12 bandwidth..........................12 bass reflex..........................19 Bessel J function..........18, 34 binomial expansion............34 binomial theorem...............34 bulk modulus .......................6 C compliance......................8 c speed of sound .................3 calculus..............................34 capacitance..........................8 center frequency ................12 characteristic impedance....10 circular source ...................15 cocktail party effect ...........30 coincidence effect..............22 complex conjugate.............33 complex numbers ..............33 compliance ..........................8 condensation................2, 6, 7 conjugate complex........................33 contiguous bands...............12 coulomb...............................3 Cp dispersion ....................22 Cramer's rule .....................23 critical gradient..................32 Tom Penick cross product .....................35 curl ....................................36 D(r) directivity function ...16 D(θ) directivity function..14, 15, 16 dB decibels .............2, 12, 13 dBA...................................13 decibel .....................2, 12, 13 del......................................35 density .................................6 equilibrium.....................6 dependent variable.............36 diffuse field .......................28 diffuse field mass law........22 dipole.................................14 direct field ...................29, 30 directivity function 14, 15, 16 dispersion..........................22 displacement particle .........................10 divergence .........................35 dot product ........................35 double walls ......................23 E energy density...............26 E(t) room energy density..26 effective acoustic pressure...5 electrical analogies ..............8 electrical impedance ..........18 electrostatic transducer ......19energy density ...................26 direct field ....................29 reverberant field ...........30 enthalpy.............................36 entropy ..............................36 equation of state ..............6, 7 equation overview ...............6 equilibrium density..............6 Euler's equation .................34 even function.......................5 expansion chamber......24, 25Eyring-Norris ....................28 far field..............................16 farad ....................................3 fc center frequency............12 fl lower frequency.............12 flexural wavelength ...........22 flow effects........................25 focal plane .........................16 focused source...................16 Fourier series.......................5 Fourier's law for heat...