In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
在动态测试领域中，数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
The observation content included the flow pattern, time average pressures, flow velocities, fog rain and inspection in situ.
其观测内容包括流态、时均压力、空化噪声、流速、雾雨。
The study of static deformation, thermally induced distortion, dynamic response of natural frequency and modal pattern has been performed by using frozen fringe, realtime and time-average holography.
介绍了用冻结条纹法、实时全息法和时间平均法对静变形、热变形、固有频率和振型进行研究。
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