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Sensor

1 Definition​

Device or instrument suited (through physical/chemical interaction) to measure one or more properties of a Phenomenon and thus collect factual/objective data.

Notes​

  • Sensing is therefore a synonym for Observation (the Process).
  • As by their definition, sensors perform sampling.
  • Sensors used to obtain measurements must be calibrated and provide uncertainties.
  • Sensor is currently cyclic with Instrument (to be resolved)

Examples​

Sources​

  • KCEO

2 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 sensors, such as radars, is common. Earth observation sensors – or instruments – are operated from different ground-/water-based, airborne, or spaceborne platforms.

Notes​

Examples​

Sources​

Term Relationships