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interferometric synthetic aperture radar technique [1 record]
Record 1 - internal organization data 2004-11-18
Record 1, English
Record 1, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Spacecraft
- Remote Sensing
Record 1, Main entry term, English
- interferometric synthetic aperture radar technique
1, record 1, English, interferometric%20synthetic%20aperture%20radar%20technique
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- InSAR technique 1, record 1, English, InSAR%20technique
correct, officially approved
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The InSAR technique exploits the phase difference successive SAR observations and requires the information of an "interferogram" from two Single Look Complex (SLC) SAR images of the same scene acquired at different time. 2, record 1, English, - interferometric%20synthetic%20aperture%20radar%20technique
Record number: 1, Textual support number: 2 CONT
Using the INSAR technique, it is possible to produce directly from SAR image data, detailed and accurate three-dimensional height maps of the Earth's surface topography. In addition, an extension of the basic technique, known as Differential INSAR (DINSAR), allows the detection of very small (centimetre-scale) motion of the land surface within an image. Furthermore, INSAR is emerging as a powerful tool for the detection of changes of land surface through the use of phase coherence. These possibilities open up many new potential applications of space-borne SAR data in the areas of cartography, volcanology, geomorphology, ice/glacial motion and land surface classification. 3, record 1, English, - interferometric%20synthetic%20aperture%20radar%20technique
Record number: 1, Textual support number: 1 OBS
interferometric synthetic aperture radar technique; InSAR technique: terms officially approved by the RADARSAT-2 TerminologyApproval Group (RTAG). 4, record 1, English, - interferometric%20synthetic%20aperture%20radar%20technique
Record 1, French
Record 1, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Engins spatiaux
- Télédétection
Record 1, Main entry term, French
- technique d'interférométrie SAR
1, record 1, French, technique%20d%27interf%C3%A9rom%C3%A9trie%20SAR
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- technique InSAR 2, record 1, French, technique%20InSAR
correct, feminine noun, officially approved
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La technique d'interférométrie SAR (InSAR) [permet de traiter] deux images radar (satellitaires ou aéroportées) acquises soit de [deux] points de vue différents soit à des [moments] différents. [Cette technique repose sur] l'hypothèse fondamentale [...] que la contribution interne, liée aux propriétés physiques, géométriques et diélectriques des cibles, demeure stable entre les [...] prises de vue. Si cette hypothèse est vérifiée, alors l'interférogramme révèle des systèmes de franges liés à la topographie (sensibilité de quelques dizaines de mètres dépendant de l'écart orbital entre les prises de vue) ainsi qu'à la déformation de surface (précision de quelques mm). 3, record 1, French, - technique%20d%27interf%C3%A9rom%C3%A9trie%20SAR
Record number: 1, Textual support number: 1 OBS
technique d'interférométrie SAR; technique InSAR : termes uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 4, record 1, French, - technique%20d%27interf%C3%A9rom%C3%A9trie%20SAR
Record 1, Spanish
Record 1, Textual support, Spanish
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