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MICROWAVE IMAGER [5 records]
Record 1 - internal organization data 2013-02-20
Record 1, English
Record 1, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
- Remote Sensing
- Range Measurements (Telecommunications)
Record 1, Main entry term, English
- SSM/I overpass
1, record 1, English, SSM%2FI%20overpass
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- SSMI overpass 1, record 1, English, SSMI%20overpass
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
SSM/I or SSMI : special sensor microwave/imager. 2, record 1, English, - SSM%2FI%20overpass
Record 1, French
Record 1, Domaine(s)
- Stations, instruments et équipements météorologiques
- Télédétection
- Mesures à distance (Télécommunications)
Record 1, Main entry term, French
- passe satellitaire SSM/I
1, record 1, French, passe%20satellitaire%20SSM%2FI
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- passe satellitaire SSMI 1, record 1, French, passe%20satellitaire%20SSMI
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
SSM/I ou SSMI : capteur hyperfréquences spécialisé/imageur. 2, record 1, French, - passe%20satellitaire%20SSM%2FI
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-05-12
Record 2, English
Record 2, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 2, Main entry term, English
- rainfall inversion
1, record 2, English, rainfall%20inversion
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- inversion of rainfall 2, record 2, English, inversion%20of%20rainfall
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
A comparison of the principal components from the simulation with those from TMI [Tropical Rainfall Measuring Mission microwave imager] observations revealed that 85 GHz brightness temperatures will deteriorate the rainfall inversion. 1, record 2, English, - rainfall%20inversion
Record number: 2, Textual support number: 1 OBS
inversion - A departure from the usual decrease or increase with altitude of the value of an atmospheric property ... 3, record 2, English, - rainfall%20inversion
Record 2, French
Record 2, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 2, Main entry term, French
- inversion de pluie
1, record 2, French, inversion%20de%20pluie
proposal, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Diminution de pluie en altitude. 1, record 2, French, - inversion%20de%20pluie
Record number: 2, Textual support number: 2 OBS
inversion : En principe, plus l'on s'élève dans la troposphère, plus les températures diminuent. Dans une inversion, les températures augmentent en fonction de l'altitude. 2, record 2, French, - inversion%20de%20pluie
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-03-12
Record 3, English
Record 3, Subject field(s)
- Scientific Instruments
- Scientific Measurements and Analyses
- Atmospheric Physics
Record 3, Main entry term, English
- water vapour sounder
1, record 3, English, water%20vapour%20sounder
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- water vapor sounder 2, record 3, English, water%20vapor%20sounder
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
The Megha-Tropiques satellite is devoted to the study of the atmospheric water cycle in the tropics and its relation to the radiative budget.... The three instruments of the mission are a microwave imager, a microwave water vapour sounder and a radiative budget instrument. 3, record 3, English, - water%20vapour%20sounder
Record number: 3, Textual support number: 2 CONT
The SSM/T-2 is the first operational microwave water vapor sounder to be placed in orbit. It is a scanning, five channel, passive and total power microwave radiometer system. The SSM/T-2 consists of five channels: three water vapor channels centered around the 183.31 GHz water vapor line, a 91 GHz channel, and a 150 GHz channel. 2, record 3, English, - water%20vapour%20sounder
Record 3, French
Record 3, Domaine(s)
- Instruments scientifiques
- Mesures et analyse (Sciences)
- Physique de l'atmosphère
Record 3, Main entry term, French
- sondeur vapeur d'eau
1, record 3, French, sondeur%20vapeur%20d%27eau
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-08-22
Record 4, English
Record 4, Subject field(s)
- Statistical Methods
- Remote Sensing
- Range Measurements (Telecommunications)
- Environmental Studies and Analyses
Record 4, Main entry term, English
- Getis statistic
1, record 4, English, Getis%20statistic
correct
Record 4, Abbreviations, English
- Gi 2, record 4, English, Gi
correct, see observation
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Application of the Getis statistic to hemispheric and regional scale passive microwave derived snow water equivalent imagery.... In this study, five day averaged Special Sensor Microwave/Imager(SSM/I) derived SWE [snow water equivalent] imagery are analyzed with the Getis statistic(Gi), a local indicator of spatial autocorrelation. 3, record 4, English, - Getis%20statistic
Record number: 4, Textual support number: 2 CONT
In contrast to semivariance, the Getis statistic (Gi), generates values which relate variations within patterns of spatial dependence. Thus, it has the potential to uncover discrete spatial regimes which might be overlooked by existing techniques. ... Wulder and Boots have adapted the Getis statistic for processing remotely sensed imagery. The Getis statistic yields a standardized value which indicates both the degree of autocorrelation in the values of the digital numbers centered on a given pixel and the magnitude of these values in relation to those of the entire image. The Gi values measure the extent to which a pixel is surrounded by a cluster of high or low values of a particular variable (e.g. DN). Large positive Gi values denote a cluster of high DN values; large negative Gi values indicate the spatial dependence within a tree crown or between shadow elements. High positive values generated from infrared wavelength image data indicate the presence of a tree object whereas high negative values relate a non-tree feature. 4, record 4, English, - Getis%20statistic
Record number: 4, Textual support number: 1 OBS
Getis: This name refers to Mr. Arthur Getis, of San Diego State University, who developed the local autocorrelation statistic named after him. [Information obtained from Mr. Frank Eichel, RPF, ADV. Dipl. GIS, Msc Forestry (Remote Sensing) candidate, University of British Columbia.] 5, record 4, English, - Getis%20statistic
Record 4, Key term(s)
- Ghettis statistic
- Getis value
- Getis measure
Record 4, French
Record 4, Domaine(s)
- Méthodes statistiques
- Télédétection
- Mesures à distance (Télécommunications)
- Études et analyses environnementales
Record 4, Main entry term, French
- statistique de Getis
1, record 4, French, statistique%20de%20Getis
correct, feminine noun
Record 4, Abbreviations, French
- Gi 2, record 4, French, Gi
correct, see observation
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
statistique de Getis : terme proposé par Mme Michèle Bernier-Cardou, statisticienne, Ressources naturelles Canada, Centre de foresterie des Laurentides. 1, record 4, French, - statistique%20de%20Getis
Record number: 4, Textual support number: 2 OBS
«Local Spatial Autocorrelation Characteristics of Landsat TM Imagery of a Managed Forest Area», par M. Wulder et B. Boots. [...] la mesure des indicateurs locaux d'association spatiale (LISA, «local indicators of spatial indicators» [sic : plutôt «local indicators of spatial association»]) permet d'évaluer pour chaque pixel de l'image à la fois le degré de dépendance spatiale du pixel par rapport aux pixels voisins et l'amplitude des valeurs de variation dans le voisinage du pixel. Dans cette étude, on applique une mesure LISA, la mesure Getis (Gi), à des images Landsat TM d'une région forestière aménagée. [...] Cette recherche exploratoire confirme que l'information sur la dépendance spatiale telle que dérivée de la mesure de (Gi) constitue une nouvelle source importante d'information spatiale pour l'évaluation des images numériques en milieu forestier. 3, record 4, French, - statistique%20de%20Getis
Record 4, Key term(s)
- mesure de Getis
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2001-08-22
Record 5, English
Record 5, Subject field(s)
- Statistical Methods
- Remote Sensing
- Range Measurements (Telecommunications)
- Environmental Studies and Analyses
Record 5, Main entry term, English
- local indicator of spatial association
1, record 5, English, local%20indicator%20of%20spatial%20association
correct
Record 5, Abbreviations, English
- LISA 1, record 5, English, LISA
correct
Record 5, Synonyms, English
- local indicator of spatial autocorrelation 2, record 5, English, local%20indicator%20of%20spatial%20autocorrelation
correct
- LISA 3, record 5, English, LISA
correct
- LISA 3, record 5, English, LISA
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Local indicators of spatial autocorrelation. ... As the name implies, this is a method for detecting spatial autocorrelation, typically in group-level data. Local indicators of spatial autocorrelation (LISA) allow for the decomposition of global indicators into the contribution of each individual observation. They detect clustering around a given observation rather than a pre-specified site somewhere in the sampled space. The LISA for each observation gives an indication of the extent of significant spatial clustering of similar values around that observation. The sum of LISAs for all observations is proportional to a global indicator of spatial association. There can be two interpretations of the LISA statistics, as indicators of local spatial clusters and as a diagnostic for outliers with respect to the measure of global association (local instability). 4, record 5, English, - local%20indicator%20of%20spatial%20association
Record number: 5, Textual support number: 2 CONT
Application of the Getis statistic to hemispheric and regional scale passive microwave derived snow water equivalent imagery.... In this study, five day averaged Special Sensor Microwave/Imager(SSMI/I) derived SWE(snow water equivalent) imagery are analyzed with the Getis statistic(Gi), a local indicator of spatial autocorrelation. 5, record 5, English, - local%20indicator%20of%20spatial%20association
Record number: 5, Textual support number: 1 PHR
LISA map, LISA result, LISA statistic. 1, record 5, English, - local%20indicator%20of%20spatial%20association
Record 5, French
Record 5, Domaine(s)
- Méthodes statistiques
- Télédétection
- Mesures à distance (Télécommunications)
- Études et analyses environnementales
Record 5, Main entry term, French
- indicateur local d'association spatiale
1, record 5, French, indicateur%20local%20d%27association%20spatiale
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- indicateur local d'autocorrélation spatiale 2, record 5, French, indicateur%20local%20d%27autocorr%C3%A9lation%20spatiale
proposal, masculine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
«Local Spatial Autocorrelation Characteristics of Landsat TM Imagery of a Managed Forest Area», par M. Wulder et B. Boots. [...] la mesure des indicateurs locaux d'association spatiale (LISA, «local indicators of spatial indicators» [sic]) permet d'évaluer pour chaque pixel de l'image à la fois le degré de dépendance spatiale du pixel par rapport aux pixels voisins et l'amplitude des valeurs de variation dans le voisinage du pixel. Dans cette étude, on applique une mesure LISA, la mesure Getis (Gi), à des images Landsat TM d'une région forestière aménagée. [...] Cette recherche exploratoire confirme que l'information sur la dépendance spatiale telle que dérivée de la mesure de (Gi) constitue une nouvelle source importante d'information spatiale pour l'évaluation des images numériques en milieu forestier. 3, record 5, French, - indicateur%20local%20d%27association%20spatiale
Record number: 5, Textual support number: 2 CONT
Des travaux plus récents ont permis de développer des mesures locales d'autocorrélation spatiale (Getis et Ord, 1992, Ord et Getis, 1995, Anselin, 1995). Ces mesures décomposent l'indice global de façon à identifier la contribution individuelle de chaque lieu; ils mesurent successivement pour chacun la dépendance/association spatiale entre la valeur de la variable prise en ce lieu et l'ensemble de celles prises dans son voisinage. Ces indices locaux permettent donc de détecter les poches locales d'autocorrélation spatiale. Les deux principales propriétés que doivent remplir les indices locaux pour être considérés comme des indicateurs locaux d'association spatiale (LISA) tels qu'ils ont été définis par Anselin (1995) sont les suivantes : (i) pour chaque observation, ils donnent des indications d'un éventuel regroupement de valeurs similaires (ou de tendance opposée) dans son voisinage, et (ii) la somme des indices locaux sur l'ensemble des observations est proportionnelle à l'indice global correspondant. 4, record 5, French, - indicateur%20local%20d%27association%20spatiale
Record 5, Spanish
Record 5, Textual support, Spanish
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