The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
2
本文导出误差反馈次最优二阶状态空间数字滤波器单位噪声增益的计算公式。
A simple formula of unit noise gain is derived for suboptimal second-order state-space digital filter with error feedback.
3
单位和个体经营者使用空调设备产生的噪声，应当符合城市区域环境噪声标准；
The noise coming from the air-conditioning equipment used by units or self-employed workers shall conform to the environmental noise standard for the locality.
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