A simple calibration model was developed for digital fringe projection profilometry(DFPP) based on absolute phase extraction and space mapping techniques to simplify the measuringsystem.
建立了数字光栅投影轮廓测量系统的简易标定模型，以实现测量系统的简便化和便携式应用。
2
An optic fiber interferometric system for measuringabsolute distance up to 1 meter is presented.
提出一种可以测量1米以上绝对距离的光纤干涉测距系统。
3
In order to minimize settling times when measuring high resistance values, keep shunt capacitance in the system to an absolute minimum by keeping connecting cables as short as possible.