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介绍了基于因特网的实时动态GPS在大型结构变形监测中应用的原型系统的概念与设计。该系统包括参考基站、监测站、控制中心和用户4部分。文中采用了模拟桥梁变形的仿真平台验证该原型系统。实验结果表明:在10Hz的采样率下,该系统的数据传输时间延迟可以忽略不计,并可达到毫米级的三维定位精度。
The concept and design of a prototype system for the application of real-time dynamic GPS based on Internet in deformation monitoring of large structures are introduced. The system includes reference base stations, monitoring stations, control centers and users 4 parts. In this paper, a simulation platform simulating bridge deformation is used to verify the prototype system. The experimental results show that the data transmission time delay of the system is negligible under the sampling rate of 10Hz, and the millimeter 3D positioning accuracy can be achieved.