free field

5.08  free sound field; free field. Field in a homogeneous medium free from boundaries. In practice, the effects of boundaries on a free field are negligible over the region of interest....

free sound

5.08  free sound field; free field. Field in a homogeneous medium free from boundaries. In practice, the effects of boundaries on a free field are negligible over the region of interest....

free wave

5.07  free progressive wave; free wave. Wave in a medium free from boundary effects. Annotation              A free wave in a steady state can only be approximated in...

free progressive wave

5.07  free progressive wave; free wave. Wave in a medium free from boundary effects. Annotation              A free wave in a steady state can only be approximated in...

wavefront

5.06  wavefront. (a) For a progressive wave in space, continuous surface that is a locus of points having the same phase at a given instant. (b) For a surface wave, continuous line that is a locus of points having the same phase at a given...