Mensaje del foro · Por lawrence flynn el día 06-feb-2026 14:47

I would prefer to keep the name SITSat. It's short and easy to pronounce. One option would be to go to   SITSAT - SI Traceable Satellite Advisory Team. Of course, we might become the SITSAT Team...

Página de wiki · Por emma woolliams el día 01-oct-2021 15:19

Area (volume) of representativeness (see also representativeness) Attitude Data Auxiliary Data Baseline (interferometric) CoordinateReference System Dead band (or neutral zone) Detection limit...

Página de wiki · Por emma woolliams el día 05-oct-2021 10:45

Definition Subset of an instrument acquisition data segment, cut by time i.e. across-swath. Source  CEOS/WGISS/DSIG/GLOS ESA PDGS Glossary, PGSI-GSEG-EOPG-LI-13-0033 (MM-PDGS Glossary Issue...

Página de wiki · Por emma woolliams el día 04-oct-2021 13:21

Definition The Catalogue provides the discovery ofinformation to the user on which EO dataproducts can be obtained, i.e. a “ProductCatalogue”. Products can be organized incollections with...

Página de wiki · Por emma woolliams el día 22-nov-2021 19:45

Definition The collective set of data actions (i.e., the complete data life cycle, including, but not limited to collection, retention, logging, generation, transformation, use, disclosure,...

Entrada de blog · Por campaign editor el día 20-ago-2010 18:49

Day four and still the slightly hazy conditions at the measurement site were there to greet us. Once again we had the 3.5 km walk from the drop-off point to the measurement site, although our bags...

Página de wiki · Por emma woolliams el día 04-oct-2021 12:15

Definition As a component of a data set, the associated knowledge encompasses all information and tools relevant to the instrument data. Preserving theassociated knowledge ensures that the...

Página de wiki · Por emma woolliams el día 05-oct-2021 10:57

Definition See instrument data Source  CEOS/WGISS/DSIG/GLOS Category 3. Observation properties words

Página de wiki · Por emma woolliams el día 04-oct-2021 20:54

Definition A set of actions recommended for the preservation of an “EO Missions/Sensors data set” (i.e. EO space data records and associated information) with the goal to ensure and optimize its...

Página de wiki · Por emma woolliams el día 16-ene-2020 14:28

Definition linear distance between pixel centres on the ground Source CEOS/ISO:19159 [RD10] Suggestions Category 3. Observation properties words

Página de wiki · Por emma woolliams el día 22-nov-2021 16:46

Definition The Catalogue provides the discovery of information to the user on which EO data products can be obtained, i.e. a “Product Catalogue”. Products can be organized in collections with...

Página de wiki · Por emma woolliams el día 16-ene-2020 13:36

Definition used as a fixed standard of reference for comparison or measurement (fiducial point) Source WordNet [RD20] Suggestions Category 3. Observation properties words

Página de wiki · Por emma woolliams el día 20-ene-2020 9:28

Definition Quantity value provided by a measuring instrument or a measuring system Source VIM/ISO:99 [RD18] Suggestions Category 3. Observation properties words

Página de wiki · Por emma woolliams el día 04-oct-2021 15:55

Definition “Discovery” service for what services are available in the PDGS, i.e. intending by default a “Service Directory”. Typical usage is the directory of different “Product Catalogue” services...

Página de wiki · Por emma woolliams el día 23-ene-2020 15:18

Definition (1) provision of objective evidence that a given item fulfils specified requirements; note that, when applicable, measurement uncertainty should be taken into consideration. (2)...

Entrada de blog · Por campaign editor el día 26-ago-2010 17:36

Day nine, our last day, finally arrived. A busy morning had been planned as in addition to the usual site characterisation measurements the participants were also going to measure the so-called...

Página de wiki · Por emma woolliams el día 04-oct-2021 15:22

Definition An entity that, together with associated Representation Information, is the original target of preservation. Comments The Data Object, that together with associated Representation...

Página de wiki · Por thomas storm el día 11-nov-2009 15:52

A weather station is a facility with instruments and equipment for observing atmospheric conditions to provide information for weather forecasts and to study the weather and climate. The...

Página de wiki · Por emma woolliams el día 16-ene-2020 13:39

Definition index mark on a test system that allows automatic geometric identification and orientation detection of an object using imaging systems Source ISO:19262 [RD11] Suggestions Category 3....

Entrada de blog · Por campaign editor el día 23-ago-2010 15:57

Day six dawned with high hopes. The skies were very clear and the team from GISTDA, Thailand finally had their equipment, it being delivered the evening before. The conditions were the same when we...

Página de wiki · Por paolo castracane el día 20-ene-2020 10:38

Definition (1) measure of the repeatability of a set of measurements. Note that precision is usually expressed as a statistical value based upon a set of repeated measurements such as the standard...

Página de wiki · Por emma woolliams el día 04-oct-2021 18:10

Definition Housekeeping telemetry (HKTM) is all the telemetry necessary to monitor the health and status of the satellite and transmitted through the telemetry link. Source  CEOS/WGISS/DSIG/GLOS...

Página de wiki · Por emma woolliams el día 02-dic-2019 12:59

Definition [community definition] the area (volume) in which the concentration does not differ from the concentration at the station by more than a specific range Source Larssen [RD12] ...

Página de wiki · Por emma woolliams el día 04-oct-2021 17:42

Definition Grouping of functional ities that is supposed to be operated together. Can refer to the relevant functional block or to its instantiation (i.e. also including the hardware) in an...

Página de wiki · Por emma woolliams el día 04-oct-2021 21:00

Definition The individual items making up a complete Earth Observation data set to be preserved, including data records, and the associated knowledge, i.e. information, and tools. Preserving the...

Página de wiki · Por emma woolliams el día 24-nov-2021 16:47

Definition Software as a Service, i.e. a software program that runs, not on the user’s machine, but on the machines of a hosting company, which the user accesses over the web. The host takes care...

Página de wiki · Por emma woolliams el día 04-oct-2021 19:54

Definition NRT Data are those that are available for use with a specified (small and application dependent) latency, which is typically 3 hours for meteorological applications. Source...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:42

Definition These state vectors are calculated (e.g. at ESOC) using S-band tracking and relevant payloads received from previous orbits (e.g. altimeter, DORIS, GPS). Source  CEOS/WGISS/DSIG/GLOS...

Página de wiki · Por emma woolliams el día 20-ene-2020 10:27

Definition Closeness of coordinate value to the true or accepted value in a specified reference system Source ISO:19116 [RD8] RD8:ISO 19116:2004(en), Geographic information - Positioning services...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:45

Definition Preliminary orbits are based on the fast delivery tracking data. They provide an improvement of the initial knowledge of the orbit but not the optimal fit. Source  CEOS/WGISS/DSIG/GLOS...

Página de wiki · Por emma woolliams el día 05-oct-2021 10:58

Definition The sensor performance monitoring function is the long-term recording and trend analysis of parameters that describe the quality of sensors and their outputs (level 0 products). Source...

Página de wiki · Por emma woolliams el día 04-oct-2021 12:28

Definition The accurate determination of orbital distances (or baselines) between satellites with compatible orbits. Baseline calibration is a needed step in all applications of SAR interferometry...

Página de wiki · Por emma woolliams el día 16-ene-2020 10:30

Definition maximum interval through which a value of a quantity being measured can be changed in both directions without producing a detectable change in the corresponding indication Source...

Página de wiki · Por emma woolliams el día 08-oct-2021 19:55

Definition A measure of the spatial resolution of a remote sensing imaging system. Defined as the angle subtended by a single detector element on the axis of the optical system. Source...

Página de wiki · Por emma woolliams el día 20-ene-2020 9:36

Definition Opening angle corresponding to one detector element Source ISO:19130 [RD9] RD9: ISO/TS 19130-2:2014(en), Geographic information - Imagery sensor models for geopositioning - Part 2: SAR,...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:39

Definition Precise orbit products result from a computation using all available satellite tracking data and its correction with dynamical models. They achieve the most accurate model of...

Página de wiki · Por emma woolliams el día 23-ene-2020 14:41

Definition (1) (metrological traceability) property of a measurement result whereby the result can be related to a reference through a documented unbroken chain of calibrations, each contributing...

Página de wiki · Por emma woolliams el día 16-ene-2020 10:33

Definition measured quantity value, obtained by a given measurement procedure, for which the probability of falsely claiming the absence of a component is β, given a probability α of falsely...

Página de wiki · Por emma woolliams el día 23-nov-2021 17:41

Definition NRT Data are those that are available for use with a specified (small and application dependent) latency, which is typically 3 hours for meteorological applications. Source CEOS EO Data...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:37

Definition Support which carries the instrument(s)/sensor(s). A platform can be a spacecraft, an aircraft, or a ground based support. Source  CEOS/WGISS/DSIG/GLOS CEOS EO Data Stewardship Glossary...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:07

Definition Fully automated generation of the product requested for download by the user (via the online access function) in very short time such that the user perceives the elapsed waiting time as...

Página de wiki · Por thomas storm el día 17-sep-2009 8:06

In this section, Information regarding the Test Sites are contained The Sites can be classified as follow: LES : Land Equipped Sites (e.g. LANDNET) LNES: Land Non Equipped Sites SES: Sea Equipped...

Página de wiki · Por thomas storm el día 11-nov-2009 15:11

In this section, detailed information regarding the most common instruments during the field Cal/Val Campaigns are described The instruments are: Automatic Weather Station ASD FieldSpec3...

Página de wiki · Por emma woolliams el día 05-oct-2021 11:01

Definition Method by which location or coverage is designated (e.g., latitude and longitude). See Coordinate Reference System Source  CEOS/WGISS/DSIG/GLOS CEOS-WGISS-DSIG Browse Guidelines...

Página de wiki · Por emma woolliams el día 05-oct-2021 11:26

Definition A swath is defined as the area covered by the spatial samples collected during a scan of a spaceborne instrument defined by an incidence angle. Source  CEOS/WGISS/DSIG/GLOS CEOS EO Data...

Página de wiki · Por emma woolliams el día 04-oct-2021 20:20

Definition The orbit prediction and determination function is the generation of attitude and state vectors that describe the projection of the spacecraft for certain time intervals. They are...

Página de wiki · Por emma woolliams el día 05-oct-2021 11:29

Definition Data stream of measured values (instrument science, instrument engineering, and spacecraftor platform engineering data), not including command, tracking, computer memory transfer, audio...

Página de wiki · Por emma woolliams el día 20-ene-2020 9:39

Definition Continuous or incremental change over time in indication, due to changes in metrological properties of a measuring instrument. Note that instrumental drift is related neither to a change...

Página de wiki · Por emma woolliams el día 04-oct-2021 18:38

Definition The ability of different information technology systems and software applications to communicate, exchange data, and use the information that has been exchanged. In Earth observation it...

Página de wiki · Por emma woolliams el día 04-oct-2021 19:22

Dfinition The act of maintaining information in a correct and independently understandable form over the long term, i.e. a period of time long enough to be concerned with the impact which changing...

Página de wiki · Por emma woolliams el día 24-nov-2021 14:46

Definition The technique of manipulating a digital image and transforming it into another form. This manipulation could be for various reasons - change of resolution, change of orientation, i.e....

Página de wiki · Por emma woolliams el día 04-oct-2021 20:18

Definition The path in space described by a satellite revolving around the Earth where the motion of the orbiting satellite is dominated by their mutual gravitational attraction. Orbits can be...

Página de wiki · Por emma woolliams el día 23-ene-2020 11:12

Definition Quotient of the change in an indication of a measuring system and the corresponding change in a value of a quantity being measured. Note: sensitivity can depend on the value of the...

Página de wiki · Por emma woolliams el día 05-oct-2021 10:33

Definition The information that makes digital data legible and useable. It consists of structural, semantic,and other information and includes e.g. descriptions of data formats, file structures,...

Entrada de blog · Por campaign editor el día 20-ago-2010 13:56

Day three arrived all too soon and before we knew it we were on the road again back to Tuz Golu. The participants are staying in a very nice hotel in Aksaray. Trouble is it is about 90 km from the...

Página de wiki · Por emma woolliams el día 05-oct-2021 10:54

Definition Device which transmits an output signal in response to a physical input stimulus as voltage. In Earth observation a distinction between passives sensors, such as radiometers, and active...

Página de wiki · Por emma woolliams el día 04-oct-2021 18:27

Definition The instrument calibration function is the determination of parameters describing instrument characteristics. They are to be used by the instruments and ground processing to generate...

Página de wiki · Por emma woolliams el día 04-oct-2021 18:25

Definition (1)  A hardware system that collects scientific or operational data. (2)  Hardware-integrated collection of one or more sensors contributing data of one type to an investigation. See...

Página de wiki · Por emma woolliams el día 22-nov-2021 15:50

Definition Information that law, regulation, or government side policy requires to have safeguarding or disseminating controls, excluding information that is classified under Executive Order 13526,...

Página de wiki · Por emma woolliams el día 04-oct-2021 18:32

Definition (1)  Data specifically associated with the instrument, either because it was generated by the instrument or included in data packets identified with that instrument. These data consist...