消声室的鉴定方法
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消声室的鉴定方法
Identification method of the chamber
在实际工程中，声场自由空间是鉴定消声室好坏的关键依据。国标ISO 4745和国标GB 6882-86提供了鉴定消声室自由空间的鉴定方法。
In the actual engineering, the free space of the acoustic field is the key to the identification of the sound chamber.. National standard ISO 4745 and 6882-86 GB provided identification method for the free space of the room for the free space of the room for identification.
另外，本底噪声是消声室的另一个重要指标。测量中得到的本底噪声是仪器的本底噪声加消声室的本底噪声。
In addition, the background noise is another important indicator of the silencing chamber.. The background noise in the measurement is the background noise of the instrument and the noise of the background noise of the noise and the noise of the room.
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