As for the safety of bridge construction, it is necessary to guarantee the design line of the bridge, but the positioning precision with guyed travelers is the most important. 桥梁安全性能如何，施工能否保证桥梁的设计线型是关键，而挂篮的定位精度是保证线型的首要前提。
The computer simulation results obtained and real data analysis indicate that a GCC TDE method can ensure high estimation precision when it is used in passive localization systems. 计算机仿真结果和湖试数据分析表明，将广义相关时延估计法应用于被动定位系统可以获得较高的定位精度。
