Abstract
Selected geometric aspects of planning and analysis of measurement results of tall building structures using interferometric radar.
Highlights
Ground‐based interferometric radar IBIS, manufactured by the Italian company IDS, is a device used for measuring the displacements of points located in its field of view
The range of the observed area depends upon the characteristics of the anten‐ nas used
The principle of operation is based on a comparison of the phases of waves reaching the receiving antenna of the radar, reflected from the points in motion [3]. This means that displacements can only be observed in the radial direction, that is, a displacement of a point moving in a direction perpendicular to the axis of the transmitted beam will not be observed
Summary
Ground‐based interferometric radar IBIS, manufactured by the Italian company IDS, is a device used for measuring the displacements of points located in its field of view. The principle of operation is based on a comparison of the phases of waves reaching the receiving antenna of the radar, reflected from the points in motion [3]. The S version (from structures) is used to observe the displace‐ ments of engineering structures, in particular those having elongated shapes [4] In this version, the radar can operate in two modes: static and dynamic, so it is used to study bridge structures subjected to loads [8,9,10,11]. The choice of the instrument position, relative to the structure, is of a particular importance, as it affects: effective resolution, precision of displacement measurements, the range of observations, and the limitation of operating parame‐ ters in the dynamic mode. A problem associated with the geometric analysis of the observations has been analyzed as well
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