Yet electrical noise isn't always bad news.

不过电噪音也不总是不好。

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PM intelligent power modules reduce electrical noise when running.

PM智能功率模块降低电机运行时的噪音。

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Electrical noise - essentially any unwanted signal - can arise from a number of sources.

电噪音-本质上是任何无用的信号-可以有各种来源。

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Bigger pixels also emit more current, allowing their signal to swamp the electrical noise in the system.

ECONOMIST: A die-hard analog photographer goes digital

As before, its got a trio of electrodes for sensing brainwaves, a NeuroSky chip for filtering out extraneous electrical noise and Bluetooth 4.0 for offloading data wirelessly.

ENGADGET

Substations and transformer boxes eventually reduce the power to the 110 volts that toast your muffin in the morning, but the electrical noise on a high-voltage line can destroy data signals immediately.

FORBES: Magazine Article