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Some Questions of Inspecting Free Field in Anechoic Room

Sun Guang-rong

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Abstract

To perform an inspection test of free field in anechoic room, some questions that are the test signal, the directivity of sound source, and the sound center calibrating of sound source must be paid attention to.

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What this paper is about

To perform an inspection test of free field in anechoic room, some questions that are the test signal, the directivity of sound source, and the sound center calibrating of sound source must be paid attention to.

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Available abstract

To perform an inspection test of free field in anechoic room, some questions that are the test signal, the directivity of sound source, and the sound center calibrating of sound source must be paid attention to.

Key concepts: Anechoic chamber, Directivity, Acoustics, Free field, Sound (geography), Engineering, Directional sound, Field (mathematics)

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