“heterodyne laser interferometer”的概念、定义、翻译、参考文献-科学参考

单词	heterodyne laser interferometer
释义	heterodyne laser interferometer Encyclopedia 工学外差激光干涉测量释 heterodyne laser interferometer外差激光干涉测量干涉光路中测量光和参考光波长（频率）不同，存在一个较小的频差，通过光路设计，使测量光与参考光相互干涉获得干涉信号，其本质是以激光波长作为测量基准，通过监测激光在参考臂、测量臂中光程差、相位差或频差的变化，获得被测目标的位移量或位移相关量。
随便看	acoustical imaging acoustical lens acoustical measurement acoustical model test acoustical phonon acoustical propagation constant acoustical properties of wood acoustical pulse tube acoustical reactance acoustical remote sensing of atmosphere acoustical resistance acoustical thermometer acoustic amplitude logging device acoustic attenuation coefficient acoustic barrier acoustic birefringence acoustic blur acoustic borehole imaging logging device acoustic boundary layer acoustic branch acoustic cabin acoustic capacitance acoustic cavitation acoustic-celotex acoustic-celotextile

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