The invention provides 16-step dual-frequency grating phase shift profilometry capable of absolute phase unwrapping in the three-dimensional sensor technology.

本发明是三维传感技术中一种可绝对位相展开的十六步双频光栅相移轮廓 术。

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Use a dual-technology sensor that incorporates both types of detection in one device or make sure that you have both kinds of detectors throughout your house.

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