To meet the need of the in situ measurement of superficial morphology of joints in a large extent, the sectional measurement theory of the superficial morphology is suggested.
为满足大范围现场原位节理表面形貌的量测需要，提出了表面形貌的分段测量理论。
The experiment shows that this method is suitable for the measurement of the phase object with the small sectional size and the small temperature gradient.
实验表明此方法适用于几何尺度较小或温度梯度较小的三维位相物体温度场的散斑照相测量。
In addition, by adopting filtering algorithm and sectional curve fitting, etc., the measuring results of energy meter are optimized to implement highly precise measurement.
同时，采用滤波算法和分段曲线拟合等方法对电能表测量结果进行了优化处理，提高了测量精度。
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