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布拉格型声光双稳系统对弱信号的放大作用研究 被引量:1

Study on Small Signal Amplification by an Acoustooptic Bistable System Operating in the Bragg Region
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摘要 在分岔点附近,通过对描述布拉格(Bragg)型声光双稳系统的差分-微分方程进行线性稳定性分析,得到了系统对小信号放大时的共振频率,给出了放大倍数的表达式。然后通过数值计算模拟出系统对小信号的放大过程。 Near the bifurcation point, the linear stability of difference differential equation which describes acoustooptic bistable systems is analyzed, the expression of resonance frequency and amplification multiple are given. The amplification process of small signal is simulated by numerical calculation, the simulation result is consistent with theoretical analysis.
出处 《光学学报》 EI CAS CSCD 北大核心 1999年第5期651-654,共4页 Acta Optica Sinica
关键词 声光双稳系统 弱信号放大 分岔点 分岔参数 acoustooptic bistable system, small signals amplication, bifurcation point, bifurcation parameter.
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