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ASCENDING HIERARCHICAL CLASSIFICATION [1 record]

Record 1 2007-01-31

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Spacecraft
  • Remote Sensing
CONT

The Ascending Hierarchical Classification consists of carrying out progressive grouping of individual values in accordance with their degrees of similarity to obtain a single class that groups them all. Once this calculation has been made, the individual values are divided up into various classes; the class number is fixed by the user.

OBS

ascending hierarchical classification; AHC: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Engins spatiaux
  • Télédétection
CONT

[La] classification ascendante hiérarchique (CAH) [est une] méthode de classification hiérarchique partant des individus isolés assimilés à des classes et procédant, à chaque étape, par agrégation des deux classes les plus proches au sens de la norme choisie. Un arbre planaire hiérarchique permet de décrire de façon explicite la structure finale de la classification obtenue.

OBS

classification ascendante hiérarchique; CAH : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Naves espaciales
  • Teledetección
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