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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In this paper a microwave standard noise source which produces noise by healing a metal filament is described.
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。
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.
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。
A full band WR28 matched load immersed in the liquid nitrogen is served as the noise radiation source of the standard.
一个全频带WR28匹配负载浸入液氮中作为该标准的噪声辐射源。
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