Digital speckle pattern interferometry (DSPI) is non-contact, full-field optical measuring technique.
数字散斑干涉技术是一种非接触、全场测试的光学测试方法。
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.
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。
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