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REFLECTIVITY DATA [5 records]

Record 1 2015-05-01

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 1

Record 2 - external organization data 2009-08-04

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
02.04.05 (19762)
ISO/IEC standard entry number
DEF

device used to capture the data encoded in a bar code symbol, consisting of two parts : a) the scanner, an input device which sends signals proportional to the reflectivity of each successive element of the symbol to the decoder; b) the decoder, which examines the signals from the scanner and translates them into recognizable or computer-compatible data

OBS

The decoder itself is sometimes erroneously called a reader.

OBS

bar code reader: term and definition standardized by ISO/IEC [ISO/IEC 19762-2:2008].

French

Spanish

Save record 2

Record 3 2004-02-19

English

Subject field(s)
  • Vulcanology and Seismology
  • Oil and Natural Gas Extraction
DEF

The result of one of many forms of forward modeling to predict the seismic response of the Earth.

CONT

A more narrow definition used by seismic interpreters is that a synthetic seismogram, commonly called a synthetic, is a direct one-dimensional model of acoustic energy traveling through the layers of the Earth. The synthetic seismogram is generated by convolving the reflectivity derived from digitized acoustic and density logs with the wavelet derived from seismic data.

CONT

SynPAK is an easy to use, full-featured package that helps streamline the process of creating and manipulating synthetic seismograms. Synthetics allow the geoscientist to identify events from log data, and then relate these events to reflections in seismic data.

French

Domaine(s)
  • Volcanologie et sismologie
  • Extraction du pétrole et du gaz naturel
DEF

Sismogramme obtenu par le calcul ou par modèle réduit à partir de données sur les vitesses.

CONT

Afin d'obtenir la structure verticale (vitesse des ondes S et épaisseur des couches) du milieu étudié, les données sont comparées à des sismogrammes synthétiques générés dans de nombreux modèles, et le milieu qui génère le sismogramme le plus proche des données est sélectionné.

CONT

La comparaison des séismogrammes réels avec les sismogrammes synthétiques.

Spanish

Save record 3

Record 4 2003-11-27

English

Subject field(s)
  • Radio Transmission and Reception
  • Radar, Radio Guidance and Goniometry
DEF

The high-resolution, base products(reflectivity, radial velocity, and spectrum width) in polar-coordinate form that are transmitted from the RDA [radar data acquisition] to the RPG [radar product generator] for further processing.

French

Domaine(s)
  • Émission et réception radio
  • Radar, radioguidage et radiogoniométrie
OBS

donnée à large bande : terme habituellement utilisée au pluriel.

Key term(s)
  • données à large bande

Spanish

Save record 4

Record 5 2001-02-15

English

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

The Next Generation Weather Radar system(NEXRAD) comprises approximately 160 Weather Surveillance Radar-1988 Doppler(WSR-88D) sites throughout the United States and selected overseas locations. This system is a joint effort of the United States Departments of Commerce(DOC), Defense(DOD), and Transportation(DOT). The controlling agencies are the National Weather Service(NWS), Air Weather Service(AWS) and Federal Aviation Administration(FAA), respectively. Level II data are the three meteorological base data quantities :reflectivity, mean radial velocity, and spectrum width. From these quantities, computer processing generates numerous meteorological analysis products known as Level III data. Level II data are recorded at all NWS and most AWS and FAA WSR-88D sites. Level III products are recorded at the 120 NWS sites. The data are sent to the National Climatic Data Center(NCDC) for archiving and dissemination.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 5

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