当汽车在开行当中时，跟踪设备用三个或四个GPS卫星以三角形定位，然后持续地通过无线电数字传输目标所在的坐标位置。
As the target drives around, the tracking device triangulates its position from three or four GPS satellites, and digitally transmits its coordinates continuously by radio.
利用数字控制技术对位置信号误差角进行了实验检测及校正。
It has made experiment detection and rectification with signal control technology for the position signal error.
通过对自整角机原理的认真分析，根据实际系统的应用环境开发了一套新型的自整角机位置信号数字化模型。
A new digitized model of position signal for a set of selsyn system is developed according to the principles of selsyn and the application environment of actual system.
随着角位置伺服控制系统中对数字化的需求，必须对传统的角位置伺服控制系统进行改进。
Because of the need of the digital control in the Angle servo control system, it is necessary to improve the traditional Angle servo control system.
分析了天体干扰光斑的位置和光强对卫星数字式太阳敏感器姿态角输出的影响。
The effect that the position and light intensity of the interferential celestial bodies' spot on the output attitude angle of the Digital Sun Sensor(DSS) was analyzed.
作为一种数字图像测量方法，亚像素角点检测能够在数字图像中可以发现角点的亚像素精度的位置(简称亚像素角点检测方法)。
As a digital image measurement method, the sub-pixel accurate location of a corner can be found in digital image by sub-pixel accurate corner locator.
光电轴角编码器，又称光电角位置传感器，是一种集光、机、电为一体的数字测角装置。
Photoelectric rotary encoder, which is also called photoelectric angel position sensor, is a kind of digital angle measuring device combining optics, mechanics and electronics.
轴角编码技术在闭环数字伺服系统中反映角位置量方面有着极为重要的应用。
The angle coding technique takes a great part in the use of closed digital servo control system for detecting the offset of angle.
采用光电编码器作为角位置传感器，以有刷直流电机作为伺服系统的伺服电机，使用控制器MCL2805实现全数字伺服控制系统。
The system takes photo-electricity coder as Angle position sensor, using brush DC motor as servo motor. The full-digital servo system is based on controller MCL2805.
柱面散光轴位角进行手动测量，数码显示的数字化屈光度测量仪。本仪器采用特殊的处理电路，消除了外来噪声产生的误触发脉冲及输出错误积累而引起的位置偏移。
This instrument has a rotary encoding and raster and it has a special processing circuit not only eliminating trigger pulse case by noise but also clearing up position accumulates error.
柱面散光轴位角进行手动测量，数码显示的数字化屈光度测量仪。本仪器采用特殊的处理电路，消除了外来噪声产生的误触发脉冲及输出错误积累而引起的位置偏移。
This instrument has a rotary encoding and raster and it has a special processing circuit not only eliminating trigger pulse case by noise but also clearing up position accumulates error.
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