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COHERENCE INTERFEROMETRIQUE [1 record]
Record 1 - internal organization data 2007-01-31
Record 1, English
Record 1, Subject field(s)
- Remote Sensing
Record 1, Main entry term, English
- interferometric coherence
1, record 1, English, interferometric%20coherence
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
In an interferogram, coherence is a measure of correlation. It can serve as a measure of the quality. [It gives information] as to the surface type (vegetated vs. rock) or [to an] otherwise invisible change that has occurred in the image [visible only in the phase image of an interferogram]. 2, record 1, English, - interferometric%20coherence
Record number: 1, Textual support number: 2 OBS
Such a measure of correlation ranges from 0.0 (where there is no useful information in the interferogram), to 1.0 (where there is no noise in the interferogram). Both extremes are rarely seen, most images lie somewhere in between. Coherence is affected by low slope, surface properties, time lag between passes, baseline and other technical details of the interferogram. 3, record 1, English, - interferometric%20coherence
Record number: 1, Textual support number: 3 OBS
interferometric coherence: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 3, record 1, English, - interferometric%20coherence
Record 1, French
Record 1, Domaine(s)
- Télédétection
Record 1, Main entry term, French
- cohérence interférométrique
1, record 1, French, coh%C3%A9rence%20interf%C3%A9rom%C3%A9trique
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Nous présentons dans ce papier l'apport de la polarimétrie à l'interférométrie SAR par amélioration de la cohérence interférométrique. La corrélation ou la cohérence entre deux images SAR est très sensible aux changements des diffuseurs à l'intérieur du pixel. L'amélioration de la carte de cohérence concerne l'interférogramme. Celui-ci est lié directement à l'altitude du terrain. 2, record 1, French, - coh%C3%A9rence%20interf%C3%A9rom%C3%A9trique
Record number: 1, Textual support number: 1 OBS
cohérence interférométrique : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 3, record 1, French, - coh%C3%A9rence%20interf%C3%A9rom%C3%A9trique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Teledetección
Record 1, Main entry term, Spanish
- coherencia interferométrica
1, record 1, Spanish, coherencia%20interferom%C3%A9trica
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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