... heterodyne coherent Roman spectroscopy 外差相干喇曼光谱学 heterodyne detection 外差检测 heterodyne detector 外差探测器 ...
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光外差检测 Optical heterodyne detection
A Brillouin distributed sensing system for simultaneous temperature and strain measurement with heterodyne detection is proposed. Based on the performance measurement of electro-optic modulator, the working parameters of the system are optimized.
设计了一套外差检测式光纤温度和应变同时传感系统,以电光调制器性能测试为依据,优化了系统参数,实现了采用声光调制的背向散射时域波形的测量。
参考来源 - 外差检测布里渊分布型光纤温度和应变传感及信号处理技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文提出一种采用光强度调制非线性外差检测的传输方案。
This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
本文介绍了由普通单模光纤构成的全光纤光外差检测系统的基本原理和实验研究结果。
The principle and experimental results of all-fibre optical heterodyne sys-tem, in which ordinary single mode fibres are used, are presented.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
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