A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A microwave interferometer with imaging capability for remote measurements of building displacements
Phase interference of microwave images has been experimented for remote submillimeter-accuracy detection of structural displacements of a real-scale building subject to tensional stress. The images are obtained by a synthetic-aperture interferometric radar operating in the near field, making use of continuous-wave stepfrequency waveform. Phase information of the synthesized microwave images is exploited for detecting displacements of the illuminated structure. The remote sensing technique described in this work is based on synthetic aperture operation of a ground-based radar, and requires a simple equipment that can be easily transported and positioned. Suitable image processing provides effective mapping of structural displacements of buildings, and color code representation offers immediate evidence of such displacement map. The intra-wall imaging capability of microwaves can allow also to detect displacements of hidden parts of the structure under test. Even though at the state of art this instrument does not achieve the accuracy and reliability of the conventional contact sensors, it can be remotely operated also from great distances,can be rapidly installed also in emergency situation, and is able to provide displacement maps of immediate readability.
A microwave interferometer with imaging capability for remote measurements of building displacements
Phase interference of microwave images has been experimented for remote submillimeter-accuracy detection of structural displacements of a real-scale building subject to tensional stress. The images are obtained by a synthetic-aperture interferometric radar operating in the near field, making use of continuous-wave stepfrequency waveform. Phase information of the synthesized microwave images is exploited for detecting displacements of the illuminated structure. The remote sensing technique described in this work is based on synthetic aperture operation of a ground-based radar, and requires a simple equipment that can be easily transported and positioned. Suitable image processing provides effective mapping of structural displacements of buildings, and color code representation offers immediate evidence of such displacement map. The intra-wall imaging capability of microwaves can allow also to detect displacements of hidden parts of the structure under test. Even though at the state of art this instrument does not achieve the accuracy and reliability of the conventional contact sensors, it can be remotely operated also from great distances,can be rapidly installed also in emergency situation, and is able to provide displacement maps of immediate readability.
A microwave interferometer with imaging capability for remote measurements of building displacements
Ein Mikrowellen-Interferometer mit Abbildungmöglichkeiten zur Fernmessung von Verschiebungen an Gebäuden
Pieraccini, M. (author) / Luzi, G. (author) / Mecatti, D. (author) / Fratini, M. (author) / Noferini, L. (author) / Atzeni, C. (author) / Carissimi, L. (author) / Franchioni, G. (author)
2003
7 Seiten, 6 Bilder, 1 Tabelle, 9 Quellen
(Nicht paginiert)
Conference paper
Storage medium
English
A microwave interferometer with imaging capability for remote measurements of building displacements
| Online Contents | 2005
A microwave interferometer with imaging capability for remote measurements of building displacements
| British Library Online Contents | 2005
A microwave interferometer with imaging capability for remote measurements of building displacements
| Springer Verlag | 2005
A microwave interferometer with imaging capability for remote measurements of building displacements
| Online Contents | 2005