摘要
分析了GPS和北斗授时的基本原理,并对授时设备的授时精度进行了测试和分析;通过设置卫星授时信号载频干扰环境,对授时设备在不同干扰环境下的授时精度进行了测试和分析,研究了载频干扰对测量装备授时精度的影响程度,为授时设备在复杂电磁环境下的可靠应用提供了参考和依据。
The basic principle of the GPS and BeiDou satellite timing is analyzed ,and the accuracy of timing equipments are tested and analyzed in this paper ;T he timing precision of the timing device under different interference environment are tested and analyzed by setting carrier frequency signals interference environment ,the influence degree of the carrier inter-ference on the timing precision of measuring equipment is researched ,reference and basis can be provided for the reliable application of timing device in complex electromagnetic environ-ment .
出处
《全球定位系统》
2013年第6期26-30,共5页
Gnss World of China
关键词
电磁干扰
授时精度
影响
Electromagnetic interference
timing precision
effect
