The noise current source is denoted by a diamond with an asterisk inside.

我们用一个内带星号的菱形表示电流噪声源。

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Based on the equivalent circuit model of a two-port optical receiver front-end, the relationship between the equivalent input noise current spectral density and the noise figure is analyzed.

根据光接收机前端等效电路模型，建立了噪声系数与等效输入噪声电流谱密度的关系。

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With this shield in place, the noise current generated by the electrostatic voltage source and the coupling capacitance flows through the shield to ground rather than through the signal conductors.

有了这种屏蔽，由静电电压源和耦合电容产生的噪声电流就经过屏蔽流到地，而不再流过信号线。

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If they can block out the current noise in the marketplace, investors would be well served to consider the long-term relationship between risk and return.

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Current research in audio processing includes noise suppression and continuous speech recognition, which can be applied as much to cell phones as to voice-controlled telematic devices in vehicles.

CNN: The story

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

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