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相对于传统桥梁变形监测手段,GPS技术有如下优点:直接获取三维绝对坐标;实时计算并显示三维位移;全天候24小时连续观测;采样率可达10Hz,实时RTK精度可达1-2厘米
Compared with traditional bridge deformation monitoring methods, GPS technology has the following advantages: Direct 3D absolute coordinates; real-time calculation and display of three-dimensional displacement; continuous observation 24 hours a day; sampling rate up to 10Hz, real-time RTK accuracy of 1-2 cm