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Pspice在分布式光纤传感器调制解调中的应用

Application of the modulation and demodulation of distributed disturbance detection based on Pspice technology
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摘要 本文首先论述了分布式光纤传感器的原理,然后阐述了PGC(phasegeneratedcarrier,相位载波)和AGC(autogaincontrol,自动增益控制)这两项关键技术,通过对基于Pspice的PGC解调技术理论和仿真分析,仿真与实验结果相符合,证明仿真可以帮助设计和调试解调电路。 The basic principle of the distributed disturbance fiber optic sensor is introduced in this paper. The detection technique of phase generated carrier (PC-C) and auto gain control (AGC) demodulation method with laser frequency modulation is then presented. Based on Pspice technology, the simulation of the whole system with PGC is carried out. The simulations are similar to the experiment results. All this shows that the whole system simulation will be helpful in designing as well as testing the demodulation circuit.
出处 《电子测量技术》 2006年第6期212-214,共3页 Electronic Measurement Technology
关键词 相位载波调制 自动增益控制 PSPICE 滤波器 PGC AGC Pspice filter
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