TLDR
An acoustic sensor assembly is provided for sensing acoustic signals in a moving fluid such as high speed fluid stream. The invention described herein was made by and employee(s) of the United States Government. It may be manufactured and used by or for the Government for governmental purposes without payment of any royalties thereon or therefore. It is claimed that a foam filler material attenuates acoustic signals arriving at the assembly from other than a predetermined range of incident angles. The assembly includes one or more acoustic sensors and a porous, acoustically transparent screen supported between the moving fluid stream and the sensor.via the TL;DR App
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