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In computer science, pattern matching is the act of checking a given sequence of tokens for the presence of the constituents of some pattern. In contrast to pattern recognition , the match usually has to be exact: "either it will or will not be a match."
Commercial aircraft on hold will generally fly slow, racetrack-shaped patterns which differ considerably from the airfield traffic pattern that will be commenced once the approval has been given to land. Although an aircraft in a holding pattern may similarly circle the airport, ATC may designate a distant location in which to circle.
Angle of attack of an airfoil. In fluid dynamics, angle of attack (AOA, α, or ) is the angle between a reference line on a body (often the chord line of an airfoil) and the vector representing the relative motion between the body and the fluid through which it is moving. [1]
String matching algorithms (1 C, 16 P) Pages in category "Pattern matching" The following 28 pages are in this category, out of 28 total.
The main problem with matching pursuit is the computational complexity of the encoder. In the basic version of an algorithm, the large dictionary needs to be searched at each iteration. Improvements include the use of approximate dictionary representations and suboptimal ways of choosing the best match at each iteration (atom extraction). [9]
The Commentz-Walter algorithm combines two known algorithms in order to attempt to better address the multi-pattern matching problem. These two algorithms are the Boyer-Moore, which addresses single pattern matching using filtering, and the Aho-Corasick. To do this, the algorithm implements a suffix automaton to search through patterns within ...
Recent accidents and incidents have resulted in new flight crew training programs, which in turn have raised interest in AoA in commercial aviation. Awareness of AOA is vitally important as the airplane nears stall." [100] Chesley Sullenberger said AoA indicators might have helped in these two crashes. "It is ironic that most modern aircraft ...
The AOA is also a member of Sustainable Aviation, a coalition of the UK's airports, airlines, aircraft and engine manufacturers, and air traffic management providers, launched in 2005 to influence sustainable aviation policy: for example, dealing with carbon emissions, noise and local impacts around airports.