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satellite Dictionary Terms

footprint
1. The sector of the Earth's surface registered upon a remote sensing device in a satellite. 2. The amount of space occupied...
remote inspection
Remote inspection refers to the process of inspecting, evaluating, or monitoring assets, equipment, infrastructure, or...
instantaneous field of view
Instantaneous field of view (iFOV) is a term commonly used in the context of remote sensing, imaging systems, and optical...
x-ray astronomy
The study of the celestial bodies, relative to x-ray emission. Satellites launched to study x-ray sources have revealed many...
high-resolution visible sensor
A satellite-borne remote sensing device capable of transmitting images at 10 and 20 m resolution from an altitude of 830 km,...
atomic clock
An atomic clock is a highly precise timekeeping device that uses the vibrations or oscillations of atoms as a reference for...
aerial photography
Photographing of terrain on the ground and objects in the air by cameras mounted in aircraft; utilized in satellites,...
sun synchronous
Characterizes an Earth-orbiting satellite whose orbit plane is near polar and positioned at an altitude that allows it to...
corner cube
A corner cube, also known as a corner reflector or retroreflector prism, is a type of optical device used to reflect light...
tracking system
A controlled motion system that may use a telescope, camera or antenna to follow accurately a satellite, missile, vehicle or...
multiband camera
A group of four cameras loaded with different combinations of filters and film (one is usually an infrared color film) to...
geosynchronous satellite
A man-made satellite that orbits 35,680 km from the Earth at a rate of one orbit per 24-hour period, thereby retaining its...
infrared detector
An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...
infrared light source
An infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of...
Baker-Nunn camera
A wide-field camera based on the classic Schmidt optical system used to photograph Earth-orbiting satellites.
focal plane assembly
An infrared imaging device composed of a detector array and readout electronics. It may include a cryogenic cooling system....
nadir
In a remote sensing system, nadir refers to the point on the ground located vertically below the center of the system. In...
multispectral scanner
An instrument used to record the emittance or reflectance of an object by scanning with discrete spectral resolution over a...
air-to-ground phototransmission system
A category of systems designed to communicate a photo taken from the air (e.g., aircraft, balloon, satellite) to a ground...
absorption hologram
A hologram formed when the light of the illuminating beam is absorbed in correspondence with the recording exposure. In...
low Earth orbit
Low Earth orbit (LEO) refers to a region in space that is relatively close to Earth's surface, typically characterized by...
pyroelectric infrared detector
Unlike the thermocouple or bolometer, the pyroelectric infrared detector is a current source with an output proportional to...
remote sensing
Remote sensing is a method of data collection and observation where information about objects, areas, or phenomena on...
positioning
Positioning generally refers to the determination or identification of the location or placement of an object, person, or...
hybrid cooler
A cryogenic cooler device that is an intermittent Joule-Thomson refrigerator with a passive radiator serving as the...
near-infrared camera
A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...
star topology
In local area networking, arrangement of the satellite nodes around a central node through which all routing of network data...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
reflective spectroscopy
Reflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of...
horizon detector
An infrared device used in satellites and rockets to determine a heat horizon for the Earth at altitudes (above 200 miles)...
spatial resolution
Spatial resolution refers to the level of detail or granularity in an image or a spatial dataset. It is a measure of the...
pushbroom scanning
Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...
hyperspectral imaging camera
A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...
CubeSat
A CubeSat is a type of miniaturized satellite characterized by its standardized size and modular design. CubeSats are...
retroreflector
A retroreflector is an optical device or structure that reflects incident light or electromagnetic waves back to their...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...
georectification
The superposition of satellite or aerial images with a map in order to process and remove distortion. Uses reference points...
ephemeris
A tabulation of predicted positions that have been calculated for one or more celestial bodies or orbiting satellites.

(38 results found)

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