反馈环路存在着最佳增益使信噪比达到最大。

There is an optimal loop gain to maximize the signal to noise ratio.

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此转换器的负载调整率在没有负反馈环路的时候也相当好。

The load regulation is also good even without a negative feedback loop.

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并且存在着最佳反馈环路传递函数，使得其强度调制性能达到最佳。

There exists an optimal transfer function for the feedback loop which can optimize the performance of intensity modulation.

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