释义 |
noise 噪声;[杂讯] 1. A disturbance that affects a signal and that may distort the information carried by the signal. 影响信号并使信号中的信息失真的一种干扰。 2. Random variations of one or more characteristics of any entity such as voltage, current, or data. 电压、电流或数据等任何实体的一种或多种特性的随机变化。 3. A random signal of known statistical properties of amplitude, distribution, and spectral density. 振幅、分布及谱密度等的已知统计特性的随机信号。 4. Loosely, and disturbance tending to interfere with the normal operation of a device or system. 广义地说,任何干扰设备或系统的正常运行的扰动。 |