Fill in the blanks.
1. __________________ _____________________ refers to the process of
gathering information about an object, at a distance, without touching the
2. Three major components of electromagnetic radiation are
___________________________, ___________________________, and
3. A major difference between the human eye and remote sensors is the
___________________________ range of light in the electromagnetic spectrum that
they are sensitive to.
4. The electromagnetic spectrum can be sliced up into discrete segments
of wavelength ranges called __________, also sometimes referred to as a channel.
5. The frequency of visible light ranges from a high of _____ µm to a
low of _____µm.
6. The three primary colors reflected from an object known as additive
primaries are the ____________, _______________, and _________ wavelengths.
7. Remote sensors operating in the thermal infrared wavelength range
measure an object’s _________________________________.
8. The sharp increase of reflected energy just beyond the red region of
visible light into the near infrared region is referred to as the _________
9. _____________________ sensors monitor only the natural solar
reflected light or electromagnetic energy from an object.
10. The smallest size picture elements on a computer screen are called
11. ________________________ resolution, is the sensitivity of a sensor
to respond to a specific frequency range.
12. _____________________ ___________________________ is a process
where two images at the same location taken on different dates are compared with
each other to measure any changes in physical shape, location, or spectral
13. The sensor detectors in a ___________________________ scanner are lined
up in a row called a linear array.
14. ______________________________ remote sensing systems are
ground-based sensor systems.
15. The goal of precision farming is to gather and analyze information about the ________________________________ of soil and crop conditions in order to maximize the efficiency of crop inputs within small areas of the farm field.
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