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噪声极限
noise margin
- 并从理论上证明了该方法的相位测量精度不受散离噪声极限的限制。
It has been theoretically demonstrated that the sensitivity of measurement can be beyond the shot -noise limit. - 最后还讨论了时域法测量电极阻抗的激励信号的选择、测量频率上、下极限和噪声影响等问题。
The problems about the selection of excitation signal, limits of measurement frequency and noise influence have been discussed. - 使用肖特基二极管d1和D2，而不是普通二极管，为的是减少总线上低状态电压，改进噪声极限。
Using Schottky barrier diodes for D1 and D2 rather than common diodes reduces the low-level voltage on the bus, improving the noise margin.
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