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WorksheetsGED306 - Remote Sensing - Quiz 1
Total questions: 15
Worksheet time: 8mins
The art or science of telling something about an object without touching it.
Remote sensing
Geodesy
Surveying
None of the above
Which of the following belongs to remote sensing system?
Energy Source
Processing station
Sensor
All of the above
This source of electromagnetic radiation is considered natural.
LiDAR
Sun light
radar
None of the above
Atmospheric scattering is the process by which small particles in the atmosphere diffuse a portion of the incident radiation in all directions.
Reflection
Absorption
Scattering
All of the above
The process in which incident energy is retained by particles in the atmosphere at a given wavelength.
Reflection
Absorption
Scattering
All of the above
They cover each area of the world at a constant local time of day called local sun time
sun-synchronous
polar
ascending
None of the above
sun-synchronous satellite orbits maintain .............................
constant local time visit to a specifc area
same-season imagery
consistent illumination
All of the above
Passive sensors provide their own illumination.
True
False
Active sensors provide their own illumination.
True
False
A pushbroom scanner receives a stronger signal than a whisk broom scanner because it looks at each pixel area for longer
True
False
It uses rotating mirrors to scan the landscape below from side to side perpendicular to the direction of the sensor platform.
whiskbroom
Pushbroom
The detail discernible in an image is dependent on the ................................ resolution
spectral
radiometric
spatial
temporal
It is the amount of information in each pixel, that is, the number of bits representing the energy recorded.
spectral resolution
radiometric resolution
spatial resolution
temporal resolution
It is the time it takes for a space-based platform to complete an orbit and revisit the same observation area
spectral resolution
radiometric resolution
spatial resolution
temporal resolution
It is easy to build an instrument combining high spatial, spectral, and temporal resolution.
True
False
