摘要
将步进频率连续波技术和干涉测量技术相结合而构成的地面微波干涉雷达系统GB-radar,可用于获取高精度、高分辨率的变形信息,以实现对地面目标的静动态高精度监测。本文介绍了基于该技术的IBIS-S系统在桥梁变形观测中的应用,分析了测量误差,通过实例验证了地面微波干涉雷达技术可以精细地测量桥梁挠度的动态变化,精度高,可以真实地反映结构物的动力特性。
The stepped-frequency continuous wave technology and interferometric techniques combine to form the terrestrial microwave interferometer radar system GB-radar, used to obtain high-precision, high-resolution deformation information can be realized on ground targets static and dynamic precision monitoring. This paper introduces the technology based IBIS- S system in bridge deformation monitoring applications, analysis of measurement error, verified by examples terrestrial microwave radar interferometry technique can subtly change the dynamic bridge deflection measurement, high precision, can truly reflect the dy- namic characteristics of structures.
出处
《现代测绘》
2013年第6期3-5,9,共4页
Modern Surveying and Mapping
基金
国家自然科学基金项目重点项目(U1134206)
关键词
步进频率连续波
微变形干涉雷达系
统IBIS-S
挠度
stepped-frequency continuous wave
micro-deformation interferometry radar system
IBIS- S
deflection
