Fourier Acoustics

Index

A

Acoustic impedance, specific

of infinite cylinder, 133

of sphere, 209, 219

Addition formula

for spherical Hankel function, 258

Aliasing, 106

circumferential, 159

of axial wavenumber, 159

α plate constant

Skudrzyk’s definition, 56

Angular spectrum, 31-34

definition, 32

expansion of pressure field, 32

of a point source, 38

relationship between different planes, 33

for evanescent waves, 33

for pressure, 90

pressure and normal velocity, 34

pressure and velocity, 90

pressure and velocity vector, 33

Associated Legendre functions, 187

general series representation, 187

negative order, 188

orthogonality integral, 188

plots of selected, 190, 191

recurrence relations with derivative, 189

recurrence relations without derivative, 190

relationship ...