Particle velocity probe

A Particle velocity probe is a probe capable of measuring the acoustic particle velocity.

The only particle velocity probe to date has been produced by Microflown Technologies and is called the Microflown.

Literature

To model a tri-axial particle velocity probe's measurement of a source incident from the near field, see:

• Y. I. Wu, K. T. Wong & S.-K. Lau, “The Acoustic Vector-Sensor’s Near-Field Array-Manifold,” IEEE Transactions on Signal Processing, vol. 58, no. 7, pp. 3946-3951, July 2010.

The tri-axial particle velocity probe's azimuth-elevation beam pattern:

• K. T. Wong & H. Chi, “Beam Patterns of an Underwater Acoustic Vector Hydrophone Located Away from any Reflecting Boundary,” IEEE Journal of Oceanic Engineering, vol. 27, no. 3, pp. 628-637, July 2002.

A tri-axial particle velocity probe may be used to enhance speech reception in a video conferencing scenario:

• Y. Wu, K. T. Wong, S.-K. Lau, X. Yuan & S. K. Tang, “A Directionally Tunable but Frequency-Invariant Beamformer on an Acoustic Velocity-Sensor Triad to Enhance Speech Perception,” Journal of the Acoustical Society of America, vol. 131, no. 5, pp. 3891-3902, May 2012.