Measurement Techniques

Measurement Techniques

Any sound field is described by two complementary acoustic properties, the scalar value 'sound pressure' and the vector value 'particle velocity'. The Microflown is the only sensor which can physically measure the acoustic particle velocity directly. Three main measurement techniques are used in the usage of the sensor. The used techniques are near field measurement technique, far field measurement technique and absortpion. For each of the three measurement there are specific features and benifts when comparing the usage of a direct particle velocity measurement to traditional excisting techniques.

 Near Field Measurement Technique  Far Field Measurement Technique  Absorption
   
Sound Intensity