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MICROWAVE BACKSCATTER [3 records]
Record 1 - internal organization data 2004-05-04
Record 1, English
Record 1, Subject field(s)
- Physics
Record 1, Main entry term, English
- anisotropy
1, record 1, English, anisotropy
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- aeolotropy 2, record 1, English, aeolotropy
- eolotropy 2, record 1, English, eolotropy
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The characteristic of a substance for which a physical property, such as index of refraction, varies in value with the direction in or along which the measurement is made. 2, record 1, English, - anisotropy
Record number: 1, Textual support number: 1 CONT
There is a distinct directional anisotropy in microwave backscatter from the surface of the East Antarctic ice sheet as measured by the C-band wind scatterometer carried by the ERS-1 satellite. The anisotropy is characterised by an amplitude and an orientation which correspond to the amplitude of variation in backscatter coefficient with azimuth and the orientation or look direction for minimum backscatter respectively. The anisotropy is apparent in the differences between the backscatter measurements in the three look directions of the antennas of the instrument. 3, record 1, English, - anisotropy
Record 1, French
Record 1, Domaine(s)
- Physique
Record 1, Main entry term, French
- anisotropie
1, record 1, French, anisotropie
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Qualité d'un objet qui manifeste, suivant la direction considérée, diverses valeurs pour une même propriété. 2, record 1, French, - anisotropie
Record number: 1, Textual support number: 1 CONT
Les propriétés optiques d'un couvert végétal dépendent à la fois de la nature des plantes qui le composent, de leur arrangement spatial ainsi que du sol sous-jacent. La lumière réfléchie par la végétation varie en fonction de la longueur d'onde du rayonnement mais aussi en fonction de la position relative de la source de rayonnement (le soleil) et du capteur du fait de l'anisotropie des surfaces observées. 3, record 1, French, - anisotropie
Record number: 1, Textual support number: 1 PHR
anisotropie brutale, discontinue, faible, forte, invariante d'échelle, molle, optique, structurale. 2, record 1, French, - anisotropie
Record number: 1, Textual support number: 2 PHR
anisotropie d'effet capillaire, du cristal. 2, record 1, French, - anisotropie
Record number: 1, Textual support number: 3 PHR
générateur d'anisotropie. 2, record 1, French, - anisotropie
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física
Record 1, Main entry term, Spanish
- anisotropía
1, record 1, Spanish, anisotrop%C3%ADa
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Variación de una o varias propiedades [...] según la dirección en que se haga la medición. 2, record 1, Spanish, - anisotrop%C3%ADa
Record 2 - internal organization data 2004-04-20
Record 2, English
Record 2, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Weather Stations and Meteorological Instruments and Equipment
- Remote Sensing
- Flight Instruments and Equipment (Aeroindustry)
Record 2, Main entry term, English
- NASA scatterometer
1, record 2, English, NASA%20scatterometer
correct
Record 2, Abbreviations, English
- NSCAT 1, record 2, English, NSCAT
correct
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A microwave radar scatterometer [that] measures near-surface wind vectors (both speed and direction) over the global oceans. 2, record 2, English, - NASA%20scatterometer
Record number: 2, Textual support number: 1 CONT
NASA Scatterometer(NSCAT) is an active microwave radar to measure winds over the oceans by transmitting Ku band microwave pulse(13. 995 GHz) and receiving backscatter powers from the ocean surface. The backscatter powers is subject to changes in direction of surface waves. Multidirectional measurements can thus be used to solve wind speed and direction simultaneously by using algorithm derived from the previous studies. 3, record 2, English, - NASA%20scatterometer
Record number: 2, Textual support number: 2 CONT
Using the space-borne NASA scatterometer (NSCAT) to determine the frozen and thawed seasons ... 4, record 2, English, - NASA%20scatterometer
Record number: 2, Textual support number: 3 CONT
NASA Scatterometer (NSCAT) was launched on August 16, 1996, aboard the Advanced Earth Observing Satellite (ADEOS), a mission of the National Space Development Agency of Japan. 2, record 2, English, - NASA%20scatterometer
Record 2, French
Record 2, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Stations, instruments et équipements météorologiques
- Télédétection
- Instruments et équipement de bord (Constructions aéronautiques)
Record 2, Main entry term, French
- diffusiomètre de la NASA
1, record 2, French, diffusiom%C3%A8tre%20de%20la%20NASA
correct, masculine noun
Record 2, Abbreviations, French
- NSCAT 1, record 2, French, NSCAT
correct, masculine noun
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Depuis août 1996, un nouveau détecteur, le diffusiomètre de la NASA (NSCAT) a été embarqué sur le satellite du Système Avancé d'Observation de la Terre japonais (ADEOS). C'est un diffusiomètre bande Ku et il fournira une information similaire mais avec une meilleure résolution spatiale et temporelle, grâce à sa double fauchée et à sa résolution de 25 km. 2, record 2, French, - diffusiom%C3%A8tre%20de%20la%20NASA
Record number: 2, Textual support number: 2 CONT
Contrairement aux diffusiomètres de la série ERS, qui opèrent en bande C, où l'atténuation par la pluie peut être négligée, les diffusiomètres de la NASA opèrent en bande Ku. 3, record 2, French, - diffusiom%C3%A8tre%20de%20la%20NASA
Record number: 2, Textual support number: 1 OBS
Diffusiomètre : instrument radar de mesure du signal rétrodiffusé par les vagues capillaires à la surface de la mer; il permet [entre autres] la mesure de la vitesse et de la direction du vent depuis l'espace. 4, record 2, French, - diffusiom%C3%A8tre%20de%20la%20NASA
Record 2, Key term(s)
- diffusomètre de la NASA
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Guía radárica, radioguía y radiogoniometría
- Estaciones, instrumentos y equipos meteorológicos
- Teledetección
- Instrumentos y equipo de vuelo (Industria aeronáutica)
Record 2, Main entry term, Spanish
- dispersímetro de la NASA
1, record 2, Spanish, dispers%C3%ADmetro%20de%20la%20NASA
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2002-11-05
Record 3, English
Record 3, Subject field(s)
- Remote Sensing
- Electromagnetic Radiation
Record 3, Main entry term, English
- sea backscatter
1, record 3, English, sea%20backscatter
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
X-band(9. 5-10. 0 GHz) backscatter at near grazing incidence(0. 2 deg) from the sea off the coast of Kauai, Hawaii, was measured with a radar characterized by a high spatial resolution in range(0. 3 m) and a high temporal resolution(2000 Hz pulse repetition frequency(PRF].... Each type of clutter exhibited the characteristic spiky behavior which has come to be expected from microwave sea backscatter observed at low grazing angles and high range resolutions, while showing, between themselves, marked transmit geometry and polarization dependent contrasts, with the horizontally polarized clutter, measured with an UP transmit geometry, being especially notable for its frequently occurring, significant high frequency spectral content. 2, record 3, English, - sea%20backscatter
Record 3, French
Record 3, Domaine(s)
- Télédétection
- Rayonnements électromagnétiques
Record 3, Main entry term, French
- coefficient de rétrodiffusion à la surface de la mer
1, record 3, French, coefficient%20de%20r%C3%A9trodiffusion%20%C3%A0%20la%20surface%20de%20la%20mer
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- facteur de rétrodiffusion à la surface de la mer 1, record 3, French, facteur%20de%20r%C3%A9trodiffusion%20%C3%A0%20la%20surface%20de%20la%20mer
masculine noun
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
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