altimetry
Measuring altitude scientifically
Altimetry is the measurement of altitude or elevation above a reference point, typically sea level.
The term appears mainly in technical contexts—satellite altimetry measures ocean surface heights, while radar altimetry helps aircraft determine their distance from the ground.
Laser altimetry has revolutionized topographic mapping.
Radio-wave object detection
- JasonCommon masculine name
- orbitCurved celestial path
- swathWide strip or area
- footprintMark from stepping
pulse · waveform · retracking · geoid · ellipsoid · oceanography · nadir · crossover
Gravitational equipotential surface model
- ellipsoidOval solid shape
- datumSingle unit of information
- surveyingMeasuring and charting terrain
- levelingMaking flat or equal
benchmark · triangulation · GPS · gravimetry · sea-level · geodetic · topographic · bathymetry
Aerial journey by aircraft
- airspaceRegulated overhead flight zone
- cockpitPilot's control compartment
- radarRadio-wave object detection
- transponderSignal-activated transmitter
barometer · glideslope · navigation · approach · cruising · descent · climb · avionics
Adjusting for measurement accuracy
- accuracyDegree of correctness
- precisionAccuracy of measurement
- resolutionFormal decision or determination
- measurementDetermining size or amount
instrumentation · sensors · error · uncertainty · drift · bias · validation · verification
radar
Radio-wave object detection
footprint · pulse · waveform · retracking · geoid · ellipsoid · oceanography · nadir · crossover · validation
geoid
Gravitational equipotential surface model
leveling · benchmark · triangulation · GPS · gravimetry · sea-level · geodetic · topographic · bathymetry
flight
Aerial journey by aircraft
- airspaceRegulated overhead flight zone
- cockpitPilot's control compartment
- radarRadio-wave object detection
transponder · barometer · glideslope · navigation · approach · cruising · descent · climb · avionics
calibration
Adjusting for measurement accuracy
- accuracyDegree of correctness
- precisionAccuracy of measurement
- resolutionFormal decision or determination
measurement · instrumentation · sensors · error · uncertainty · drift · bias · validation · verification · tolerance
barometer
Instrument gauging atmospheric pressure
display · setting · transducer
- GeospatialGIS, cartography, geocoding, geolocation, geographic coordinates
- Aviation Weathervisibility, ceiling, cloud ceiling, ceiling height, turbulence
- Earth observationremote sensing, satellite imagery, satellite data, weather satellites, thermal imaging
- remote sensingsatellite imagery, aerial photography, LIDAR, LiDAR, radar imaging
- coastal floodingsea level rise, storm surge, king tide, king tides, high tide
- Air Trafficair traffic control, ATC, controller, radar contact, radar tracking
- radar altimeterDevice measuring altitude via radio waves