Based on the characteristics of nonlinear bistable system, the qualification that the system parameters should satisfy was introduced.

依据非线性双稳态系统的性质，提出了系统参数调节应满足的条件。

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As compared with that from the electronics system by detecting and filtering direct the signal-to-noise (SNR) of modulation signal from the nonlinear bistable system is higher.

与直接经电子学系统检波、线性滤波后所提取的调制信号相比，前者所获调制信号的信噪比更高。

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Crystalline liquid is regarded as the nonlinear medium and the model of the mixed optic bistable system is constructed.

以液晶体作为非线性介质，构建了混合光学双稳模型系统。

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