ESA Instrument and Product Properties Dictionary urn:ogc:def:dictionary:CEOS:eop:SystemProperties:v01 Unique identifier of a platform used to reference it from another document. (i.e. this is typically used to reference the plaftorm from a document describing one of the sensors carried by this platform.) urn:ogc:def:property:CEOS:eop:PlatformID Platform ID Unique identifier of an instrument used to reference it from another document. (i.e. this is typically used to reference the main instrument from a document describing a specific instrument configuration.) urn:ogc:def:property:CEOS:eop:InstrumentID Instrument ID Unique identifier of an instrument's mode of operation urn:ogc:def:property:CEOS:eop:InstrumentMode Instrument Mode ID Type of band measured by a given detector which should correspond to a region of the electromagnetic spectrum. urn:ogc:def:property:CEOS:eop:BandType Band Type Year at epoch for which the orbital elements are given urn:ogc:def:property:CEOS:eop:EpochYear Epoch Year Fractional day at epoch for which the orbital elements are given urn:ogc:def:property:CEOS:eop:EpochDay Epoch Day The inclination orients the orbital plane with respect to the plane of the ecliptic. urn:ogc:def:property:CEOS:eop:OrbitInclination Inclination The longitude of the ascending node orients the ascending node with respect to the vernal point. urn:ogc:def:property:CEOS:eop:OrbitRigthAscension Right Ascension The eccentricity fixes the orbit ellipticity or shape. An eccentricity of zero corresponds to a perfect circle. urn:ogc:def:property:CEOS:eop:OrbitEccentricity Eccentricity The argument of prerigee (or periapsis or perihelion) orients the semimajor axis with respect to the ascending node. urn:ogc:def:property:CEOS:eop:OrbitArgumentOfPerigee Argument Of Perigee The true anomaly fixes the position of the body on the orbit with respect to the perigee. urn:ogc:def:property:CEOS:eop:OrbitMeanAnomaly Mean Anomaly The mean motion indicates the mean velocity of the body on the orbit. It is related to the orbit semi-major axis by Kepler 3rd law. urn:ogc:def:property:CEOS:eop:OrbitMeanMotion Mean Motion The decay rate is the first derivative of the mean motion. urn:ogc:def:property:CEOS:eop:OrbitDecayRate Decay Rate Frequency band used for uplinking and downlinking data to and from a plaform urn:ogc:def:property:CEOS:eop:FrequencyBand Frequency Band Nominal bandwidth available for downlinking data and telemetry from a platform urn:ogc:def:property:CEOS:eop:DownlinkCapacity Downlink Capacity Modulation used for the downlink signal urn:ogc:def:property:CEOS:eop:DownlinkModulation Downlink Modulation Nominal bandwidth available for uplinking commands to a platform urn:ogc:def:property:CEOS:eop:UplinkCapacity Uplink Capacity Modulation used for the uplink signal urn:ogc:def:property:CEOS:eop:UplinkModulation Uplink Modulation Maximum available power produced by the platform (solar panels or other power source) urn:ogc:def:property:CEOS:eop:MaxAvailablePower Max Available Power Amount of data storage available on-board to keep acquired data between station downloads urn:ogc:def:property:CEOS:eop:StorageCapacity Storage Capacity Type of storage device/mechanism used for storing data on-board (magnetic drive, solid state, etc.) urn:ogc:def:property:CEOS:eop:StorageMethod Storage Method Data compression method used on-board (if any) before storage and downlinking the data to the ground urn:ogc:def:property:CEOS:eop:DataCompressionMethod Compression Method The area or solid angle which can be viewed through an electromagnetic/optical instrument along the "across-track" dimension. Often referred to as FOV. urn:ogc:def:property:CEOS:eop:AcrossTrackFov Across-Track Field Of View The area or solid angle which can be viewed through an electromagnetic/optical instrument along the "along-track" dimension. urn:ogc:def:property:CEOS:eop:AlongTrackFov Along-Track Field Of View The elevation component of the solid angle at which a sensor "looks" at the surface of the earth. It is the angle between the looking axis of the sensor and the local vertical (zenith direction). urn:ogc:def:property:CEOS:eop:ViewZenithAngle Viewing Zenith Angle The elevation component of the solid angle at which a sensor "looks" at the surface of the earth. It is the angle between the looking axis of the sensor and the local horizontal. urn:ogc:def:property:CEOS:eop:ViewElevationAngle Viewing Elevation Angle The azimuthal component of the solid angle at which a sensor "looks" at the surface of the earth. It is the angle between the looking axis of the sensor and the true north direction. urn:ogc:def:property:CEOS:eop:ViewAzimuthAngle Viewing Azimuth Angle The width of the strip imaged by an electromagnetic/optical instrument when pointing at nadir in the across-track direction. urn:ogc:def:property:CEOS:eop:NadirSwathWidth Swath Width The length of the strip imaged by an electromagnetic/optical instrument when pointing at nadir in the along-track direction. urn:ogc:def:property:CEOS:eop:NadirSwathLength Swath Length Best Image to Ground location accuracy achievable without using Ground Control Points. urn:ogc:def:property:CEOS:eop:GroundLocationAccuracy Ground Location Accuracy Extreme angles at which the instrument can be pointed in the across-track direction. urn:ogc:def:property:CEOS:eop:AcrossTrackPointingRange Across-Track Pointing Range Extreme angles at which the instrument can be pointed in the along-track direction. urn:ogc:def:property:CEOS:eop:AlongTrackPointingRange Along-Track Pointing Range Time span between two potential data acquisitions of the same portion of the Earth surface. urn:ogc:def:property:CEOS:eop:RevisitTime Revisit Time Size of a pixel in the across-track direction when projected on the ground at nadir. urn:ogc:def:property:CEOS:eop:AcrossTrackGroundResolution Across-Track Ground Resolution Size of a pixel in the along-track direction when projected on the ground at nadir. urn:ogc:def:property:CEOS:eop:AlongTrackGroundResolution Along-Track Ground Resolution Midpoint of the frequency band (bandpass at -3dB) measured by a given detector. urn:ogc:def:property:CEOS:opt:CentralWavelength Central Wavelength Low and High frequencies/wavelengths at which the measured power crosses the -3dB boundary. urn:ogc:def:property:CEOS:opt:SpectralRange Spectral Range Relative contributions to a detected signal of the true signal and random superimposed signals. urn:ogc:def:property:CEOS:eop:SNR Signal-to-Noise Ratio Or Simply Noise Equivalent Radiance. The uncertainty in radiation measurements in terms of radiance units. The NEDR is usually a constant, regardless of the temperature of the scene being observed. urn:ogc:def:property:CEOS:eop:NoiseEquivalentDeltaRadiance Noise Equivalent Delta Radiance Maximum electrical power consumed by an instrument. urn:ogc:def:property:CEOS:eop:MaximumPowerConsumption Maximum Power Consumption Measurement resolution in the radiometric (i.e. radiation amplitude for optical instruments) domain. urn:ogc:def:property:CEOS:eop:RadiometricResolution Radiometric Resolution Instantaneous field of view of one detector (one CCD cell for instance) in the across-track direction. The given angle is truly instantaneous and does not include the effect of the motion of the platform during the detector integration time. urn:ogc:def:property:CEOS:opt:AcrossTrackIFOV Across-Track iFOV Instantaneous field of view of one detector (one CCD cell for instance) in the along-track direction. The given angle is truly instantaneous and does not include the effect of the motion of the platform during the detector integration time. urn:ogc:def:property:CEOS:opt:AlongTrackIFOV Along-Track iFOV The time over which the detector averages the input radiation signal urn:ogc:def:property:CEOS:opt:IntegrationTime Integration Time Number of frequency bands measured by an electromagnetic/optical instrument in a certain mode. urn:ogc:def:property:CEOS:opt:NumberOfBands Number of Bands Total number of samples or measurements collected by an detector. This also usually corresponds to the number of pixels in the resulting imagery. urn:ogc:def:property:CEOS:opt:NumberOfSamples Number of Samples ??? urn:ogc:def:property:CEOS:sar:RadiometricStability Radiometric Stability Signal to Ambiguity Ratio in the along track direction for point targets urn:ogc:def:property:CEOS:sar:AlongTrackAmbiguityRatio Along-Track Point Ambiguity Ratio Signal to Ambiguity Ratio in the across track direction for point targets urn:ogc:def:property:CEOS:sar:AcrossTrackAmbiguityRatio Across-Track Point Ambiguity Ratio ??? urn:ogc:def:property:CEOS:sar:NoiseEquivalentS0 Noise Equivalent S0 Type of single or dual/alternating polarization (vertical or horizontal or a mix of both) urn:ogc:def:property:CEOS:sar:PolarizationMode Polarization Mode Resolution of the DEM used to georeference the data. urn:ogc:def:property:CEOS:eop:DEMResolution DEM Resolution Resolution of the attitude data used to georeference the data. urn:ogc:def:property:CEOS:eop:AttitudeResolution Attitude Resolution Resolution of the ephemeris data used to georeference the data. urn:ogc:def:property:CEOS:eop:EphemerisResolution Ephemeris Resolution Actual accuracy achieved for the geolocation of the product data. urn:ogc:def:property:CEOS:eop:GeolocationAccuracy Geolocation Accuracy The elevation component of the solid angle at which incident electromagnetic waves strike the surface of the earth. It is measured with respect to the direction of the local vertical (zenith). urn:ogc:def:property:CEOS:opt:IlluminationZenithAngle Illumination Zenith Angle The elevation component of the solid angle at which incident electromagnetic waves strike the surface of the earth. It is measured with respect to the direction of the local horizontal. urn:ogc:def:property:CEOS:opt:IlluminationElevationAngle Illumination Elevation Angle The azimuthal component of the solid angle at which incident electromagnetic waves strike the surface of the earth. It is measured with respect to the direction of the true north. urn:ogc:def:property:CEOS:opt:IlluminationAzimuthAngle Illumination Azimuth Angle