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RADAR PENETRATION [1 record]
Record 1 - internal organization data 2002-03-22
Record 1, English
Record 1, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Remote Sensing
Record 1, Main entry term, English
- radar penetration
1, record 1, English, radar%20penetration
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The act by which microwaves enter a medium. 2, record 1, English, - radar%20penetration
Record number: 1, Textual support number: 1 CONT
Radar Penetration. Radar wavelengths also influence penetrability below target tops to ground surfaces. Depth of penetration increases with wavelength: L and P band radar penetrate deeper than K or X bands. In forests, shorter wavelengths, such as C band, reflect mainly from the first leaves encountered, thus, from the canopy tops. At longer wavelengths, most tree leaves are too small to have much influence on backscatter, although branches will interact, so that canopies are penetrated to varying degrees. 3, record 1, English, - radar%20penetration
Record number: 1, Textual support number: 1 OBS
radar penetration: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 2, record 1, English, - radar%20penetration
Record 1, French
Record 1, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Télédétection
Record 1, Main entry term, French
- pénétration du radar
1, record 1, French, p%C3%A9n%C3%A9tration%20du%20radar
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- pénétration de l'onde radar 2, record 1, French, p%C3%A9n%C3%A9tration%20de%20l%27onde%20radar
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les travaux effectués à ce jour ont produit des résultats significatifs quant à la caractérisation du relief et de la rugosité de surface, et l'étude des propriétés diélectriques des matériaux qui conditionnent les capacités de pénétration du radar. 3, record 1, French, - p%C3%A9n%C3%A9tration%20du%20radar
Record number: 1, Textual support number: 2 CONT
L'onde radar est réfléchie par une surface variable en fonction de la morphologie des arbres qui constituent la première dizaine de mètres en dessous du toit de la canopée. Les données radar, très précises en planimétrie, ne le sont donc qu'à 30 m près en altimétrie (épaisseur de la canopée moins la pénétration du radar). Elle sont par conséquent difficilement utilisables pour étudier la structure fine de la canopée forestière, mais peuvent être utiles pour détecter des structures à grande échelle, liée par exemple à la topographie. 4, record 1, French, - p%C3%A9n%C3%A9tration%20du%20radar
Record number: 1, Textual support number: 1 OBS
pénétration du radar : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 5, record 1, French, - p%C3%A9n%C3%A9tration%20du%20radar
Record 1, Spanish
Record 1, Textual support, Spanish
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