For an a mode biometric probe, ultrasonic beam orientation, measuring position and speed setting ensured the precision of the measurement.
对于A型生物测量探头，通过在声束定向、测量位置和声速设置等方面的设计思想，有效提高测量精度。
In practical measurement, the positioning precision of position sensitive detector (PSD) is greatly affected by the size and asymmetry of the spot.
在实际测量中，由于光斑具有一定尺寸和不对称性，在很大程度上影响了位置敏感探测器(PSD)的定位精度。
It is difficult to achieve the precision measurement of the position of the micro holes with traditional methods.
微小孔系的精密测量用传统的手段是难以实现的。
A high precision infrared light spot motion analysis and measurement system based on a new type position sensitive detector (PSD) and stereo measurement was developed.
高精度红外光点位置检测分析系统是基于光电位置敏感器件、立体测量学研制而成的运动物体分析系统。
The principle and mathematics model of the hole position precision measurement system based on image sensors are described.
文章介绍了基于图像传感器的孔系三维坐标测量系统的原理和数学模型。
A position sensor based on slit projection is developed. Its measurement principle and application in precision positioning are described.
提出了一种基于狭缝投影的位置传感技术，阐述了此技术的传感原理及其在精密定位中的应用。
A position sensor based on slit projection is developed. Its measurement principle and application in precision positioning are described.
提出了一种基于狭缝投影的位置传感技术，阐述了此技术的传感原理及其在精密定位中的应用。
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