Proposed a novel scheme to measure the Brillouin frequency shift and power change, and analyzed the measurement accuracy of Brillouin frequency shift.
提出了一种同时测量布里渊频移和功率变化的新方案，同时对系统的布里渊频移测量精度进行了分析。
A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
本文描述一台能改变光频移频率的新装置，它由旋转光栅、同步电机和调频电源组成。
However, many devices work in the environment which the temperature changes in a larger range, the change of temperature will cause the crystal oscillator's frequency shift.
但是，许多设备工作在温度范围变化较大的环境中，由于石英晶体谐振器自身特殊的物理特性，温度的变化会导致晶体振荡器的频率发生偏移。
CARS arrangement for measurement of Raman frequency shift has been established. The frequency shifts and the shape change in nitrogen and nitrobenzene gas-liquid phase changes have been measured.
建立了一套精确测量谱线位移的CARS装置，用它测量了氮气和液氮、气态和液态硝基苯cars的谱线位移和形状变化。
CARS arrangement for measurement of Raman frequency shift has been established. The frequency shifts and the shape change in nitrogen and nitrobenzene gas-liquid phase changes have been measured.
建立了一套精确测量谱线位移的CARS装置，用它测量了氮气和液氮、气态和液态硝基苯cars的谱线位移和形状变化。
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