噪声电流
Through investigating and analyzing, the traffic noise current situation of Lanzhou: polluted seriously; the exceeding standard rate is high;
经调查与分析,兰州市交通噪声的现状为:污染严重、超标率高;
The noise voltage, the noise current and their output voltages at the terminal of amplifier are calculated, and the signal to noise ratio of the optic electric conversion circuit is estimated.
分析了频带与噪声电压的关系,计算了光电探测器的噪声电压和噪声电流以及它们在放大器输出端形成的噪声电压,并对光电转换的信噪比进行了计算。
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