利用数字散斑干涉法，研究了半无限平面模型在受冲击载荷下的面内位移场的测试技术。
In this paper, the method of measuring the in-plane displacement field under an impact loading is proposed and is named dynamic digital speckle pattern interferometry.
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。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
实验研究表明，时间相移及空间载波变换数字电子散斑干涉法是进行混凝土损伤断裂特性研究的一种有效实验方法。
The experimental researches show that the time-lapse and spatial carrier transformation DSPI is an effective experimental method for carrying out researches on the concrete fracture characteristics.
实验研究表明，时间相移及空间载波变换数字电子散斑干涉法是进行混凝土损伤断裂特性研究的一种有效实验方法。
The experimental researches show that the time-lapse and spatial carrier transformation DSPI is an effective experimental method for carrying out researches on the concrete fracture characteristics.
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