面形检测采用边缘定位的方法，并且结合了曲线拟合的方法求解一维位移场来计算误差。
It USES edge localization and curve fitting to solve one dimension displacement field and calculate the error.
利用长周期光栅的边缘滤波解调技术，我们报道了一种光纤布喇格光栅位移传感方法。
An edge filter demodulation of fiber Bragg grating (FBG) displacement measuring scheme using long period grating (LPG) is reported and demonstrated.
椎间盘后外侧边缘和中点均有位移。
There were some displacement in edge and middle point of posterolateral disc.
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