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噪声计
sound meter
- 噪声计；
Noise Level Meter; - 本建议对用于测量国际电话电路及各电路段上的噪声和其他干扰信号的噪声计提出了基本的要求。
This Recommendation provides basic requirements for psophometers to be used for the measurement of noise and other interfering signals on international telephone circuits and circuit sections. - 维纳滤波器根据海浪、无线电高度表噪声和加速度计噪声三种随机干扰的功率谱采用伯特一香农设计法获得。
The Wiener filter is designed by means of Bode-Shannon method according to the power spectral densities of random interferences such as sea waves, radio altimeter noises and accelerometer noises.
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