多模块GPS系统集成应用及精度分析

Application and precision analysis of a multi-module integrated GPS system

为了解决远距离主动式定位的问题,即在不接触目标物情况下实现目标点定位功能,为危险地段测设、不可设立觇标观测提供方便与可能,采用理论分析和实验的方法,开展了多模块GPS定位系统的集成方法、各模块功能和系统定位的操作流程研究,并通过大量的实验进行了定位精度分析,得出了各类情况下定位的具体精度。研究结果表明:该系统可实现远距离、主动式、不接触目标物的定位功能。该研究成果虽然目前精度稍低,但随着GPS定位技术及激光测距精度的不断提高,该系统的市场及其应用价值必将得到广泛认同,该成果对定位和导航工作具有一定的参考价值和指导意义。

In order to solve the problem associated with long range active positioning,namely achieving the target positioning function without being in contact with the target,and to enable the survey of hazardous locations and the locations where survey beacons cannot be set up become possible,the integration technique for multi-module GPS positioning system has been developed in this study based on theoretical analysis and experiment.Also the various modules functions and the operational procedures for the system positioning are developed.In addition,through the positioning precision analysis on lots of experiments,the positioning specific precisions in various situations are obtained.The study result shows that this system can achieve an active,long range positioning function without contacting with target.Although the precision of this system is currently not high,with the continuous improvement on the accuracy of GPS positioning technology and laser ranging,the market and applications of the system will be widely recognized.The study results are of significance in positioning and navigation.