... 标准有效温度||standard effective temperature, SET 标准噪声源||reference sound source 标准撞击器||tapping machine ...
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定义 中文名称：标准噪声源 英文名称：standard noise source 定义：具有宽带频率谱稳定功率输出，用于比较法测量机器设备辐射噪声功率的声源。 应用学科： 机械工程（一级学科）；实验室仪器和装置（二级学科）；噪声测量仪器-
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... 变废为宝 changing waste into valuable 标准环境 standard environment 标准噪声源 reference noise source ...
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本文介绍了一种用加热金属丝来产生噪声的微波标准噪声源。
In this paper a microwave standard noise source which produces noise by healing a metal filament is described.
对如何确定空气调节设备噪声的标准、声源点及测定方法提出若干建议。
Presents several proposals as how to specify the noise criteria, noise source point and measurement method for air conditioning equipment.
采用白噪声信号作为标准声源的输入信号，在常温无气流条件下对消声器实物模型进行了静态放声试验。
After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.
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