在红外成像系统中，任何虚假和不需要的信号统称为噪声。
In infrared imaging system, all false and unnecessary signal are called noise.
太阳能被称为是取之不尽的能源，没有污染，通常也没有噪声，而且用途广泛。
Solar energy is lauded as an inexhaustible fuel source that is pollution and often noise free. The technology is also versatile.
这种电荷的运动产生了噪声，通常称为约翰逊噪声或热噪声。
This charge movement results in noise, which is often called Johnson or thermal noise.
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