研究了应用线性光耦合器组成模拟信号隔离电路的设计方法、调试方法以及提高线性度的方法。

The design method, debug method and the method of enhancing degree of linearity are researched in the constituting of analog signal isolating circuit with linear optical couplers.

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总结了光纤环腔的双稳性随耦合器反射率、单程线性相移等参数改变而产生的规律。

We sum up the rule of the bistability with the change of coupler reflectivity and single-pass linear phase shift ?

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采用电压频率变换和频率电压变换技术处理模拟信号，有效的克服了光电耦合器的非线性，实现了模拟信号的线性光电隔离。

Analog signal linear photo-isolation is carried out by using voltage-frequency conversion and frequency-voltage conversion technique so as to effectively overcome nonlinearity of the photocoupler.

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