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外差激光干涉测量
释义
外差激光干涉测量
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。
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completion guarantee
completion method
completion of a field
completion of a manifold
completion of a measure space
completion of a metric space
completion of a new theater or owner changing ceremony of an old theater
completion of an ordered set
completion of a topological group
completion of a uniform space
completion of a valuation
completion of a valued field
completion of T2 topological group
completion of T2-topological group
completion of T_2-topological group
completion of the square
completion strings
completion theorem
COMPLEX
Complex
complex
complex acid fracturing
complex adaptive financial systems
complex adaptive knowledge system
complex adaptive system
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