In the course of satellite-borne GPS carrier phase measurement, cycle-slip detection and repair plays a very important role in the GPS station precision.
在星载GPS载波相位测量中，周跳的探测与修复对最后的定位精度起着至关重要的作用。
The main problems in GPS technology including the system bias to SLR, its own annual variety and the change of GPS satellite antenna phase center are also discussed.
评述了GPS技术目前存在的问题，包括与SLR测量之间存在的系统偏差、GPS技术本身可能存在的周年变化和GPS卫星天线相位中心的变化。
Detecting and repairing GPS carrier phase cycle skip is a challenge for precise GPS position.
载波相位周跳检测与修复是实现GPS高精度定位的难点之一。
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