Abstract: This article introduces a kind of localization device combined with the pulse encoder and GPS. This device can be used for orienting the accurate trends to the mobile. Compared with the existing technology, it utilizes the cooperation of GPS and pulse encoder to orient the high-accuracy trends, reaches the localization precision less than centimeters, and in a situation that GPS data are invalid, it can still meet the precision request, this device is extensively suitable for high accurate localization of movement body.

Key words: GPS; Encoder; RTK; Dynamic localization

摘要： 介绍了一种脉冲编码器结合GPS 的定位装置。该装置可用于对运动体进行精确动态定位。与现有技术相比，该装置利用GPS 和脉冲编码器的配合进行高精度动态定位，达到厘米级的定位精度，并且在GPS 数据失效的情况下，仍然能够满足精度要求，该装置广泛适用于对运动体进行高精度定位。

关键词: GPS；编码器；RTK；动态定位