Explore topic-wise fullforms in Space Science

INFO: Full form for SMM is Subsystem Measurement Management in Space Science category
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INFO: Full form for ROT is Remaining Operating Time in Space Science category
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The town of Rota is a Spanish municipality located in the Province of Cádiz, Andalusia. Its surface area is 84 km2 and is bordered by the towns of Chipiona, Sanlúcar de Barrameda and El Puerto de Santa María. It is located near the city of Jerez de la Frontera and is 36 kilometers away from the provincial capital, Cadiz. It had in the year 2009 28,516 inhabitants, with a density of 339 inhabitants / km2. It belongs to two associations, the Association of Municipalities of Cadiz Bay along with the municipalities of Cadiz, Jerez de la Frontera, El Puerto de Santa María, San Fernando, Chiclana and Puerto Real; and the Association of Municipalities of the Lower Guadalquivir that comprises municipalities of Northwest Coast of Andalusia.

Located along the Bay of Cádiz in the Atlantic Ocean, it is halfway between Portugal and Gibraltar, is predominantly a tourist town, a vacation/holiday destination for travelers from all over Europe. During the low season, its main business activity is the fishing industry. In the municipality is located the Naval Station Rota, which is the largest source of employment to the municipality. It also served as a transoceanic abort landing site for the Space Shuttle program.

INFO: Full form for ROT is Rotate, Rotation in Space Science category
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INFO: Full form for SCT is Scanning Telescope in Space Science category
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In signal processing, a signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current, or electromagnetic wave that carries information. A signal may also be defined as an observable change in a quality such as quantity.

Any quality, such as physical quantity that exhibits variation in space or time can be used as a signal to share messages between observers. According to the IEEE Transactions on Signal Processing, a signal can be audio, video, speech, image, sonar, and radar-related and so on.

In nature, signals can be actions done by an organism to alert other organisms, ranging from the release of plant chemicals to warn nearby plants of a predator, to sounds or motions made by animals to alert other animals of food. Signaling occurs in all organisms even at cellular levels, with cell signaling. Signaling theory, in evolutionary biology, proposes that a substantial driver for evolution is the ability for animals to communicate with each other by developing ways of signaling. In human engineering, signals are typically provided by a sensor, and often the original form of a signal is converted to another form of energy using a transducer. For example, a microphone converts an acoustic signal to a voltage waveform, and a speaker does the reverse.

Information theory serves as the formal study of signals and their content, and the information of a signal is often accompanied by noise. The term "noise" refers to unwanted signal modifications but is often extended to include unwanted signals conflicting with desired signals (crosstalk). The reduction of noise is covered in part under the heading of signal integrity. The separation of desired signals from background noise is the field of signal recovery, one branch of which is estimation theory, a probabilistic approach to suppressing random disturbances.

Engineering disciplines such as electrical engineering have led the way in the design, study, and implementation of systems involving transmission, storage, and manipulation of information. In the latter half of the 20th century, electrical engineering itself separated into several disciplines, specializing in the design and analysis of systems that manipulate physical signals; electronic engineering and computer engineering as examples; while design engineering developed to deal with the functional design of user–machine interfaces.

INFO: Full form for SIG is Special Investigation Groups in Space Science category
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INFO: Full form for SIU is Signal Interface Unit in Space Science category
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INFO: Full form for SAFER is Simplified Aid for Eva Rescue in Space Science category
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INFO: Full form for PLAR is Post Launch Assessment Review in Space Science category
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INFO: Full form for OCD is Operational Capability Development in Space Science category
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INFO: Full form for NSP is Network Signal Processor in Space Science category
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INFO: Full form for NSP is Nasa Support Plan in Space Science category
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INFO: Full form for PAR is Product Acceptance Review in Space Science category
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INFO: Full form for PAR is Planning Action Request in Space Science category
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INFO: Full form for PAR is Parabolic Aluminum Reflector in Space Science category
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Precision approach radar (PAR) is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the landing threshold is reached. Controllers monitoring the PAR displays observe each aircraft's position and issue instructions to the pilot that keep the aircraft on course and glidepath during final approach. After the aircraft reaches the decision height (DH) or decision altitude (DA), further guidance is advisory only. The overall concept is known as ground-controlled approach (GCA), and this name was also used to refer to the radar systems in the early days of its development.

PAR radars use a unique type of radar display with two separate "traces", separated vertically. The upper trace shows the elevation of a selected aircraft compared to a line displaying the ideal glideslope, while the lower shows the aircraft's horizontal position relative to the runway midline. GCA approaches normally start with the controller relaying instructions to bring the aircraft into the glidepath and then begin any corrections needed to bring it onto the centerline. From then on,

Precision approach radars are most frequently used at military air traffic control facilities. Many of these facilities use the AN/FPN-63, AN/MPN, or AN/TPN-22. These radars can provide precision guidance to a distance of 10 to 20 miles. PAR is mostly used by the Navy, as it does not broadcast directional signals which might be used by an enemy to locate an aircraft carrier.

INFO: Full form for PAR is Problem Accountability Record in Space Science category
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INFO: Full form for PAR is Problem Action Record in Space Science category
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