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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Uplatnění fraktálů v kompresi dat
 Dušák, Petr ; Ivánek, Jiří (advisor) ; Palovský, Radomír (referee)
The mission of the Technology Transfer Programme Office is to increase impact on a society by transferring technologies developed by the European Space Agency. Method and Apparatus for compressing time series is a patented compression algorithm designed to be efficient as its purpose is to run on deep space probes or satellites. The algorithm is inspired by a method for fractal terrain generation, namely the midpoint displacement algorithm. This work introduces fractals, their application and modifying the patented algorithm, in order to achieve greater compression. The modification lies in modifying the displacement mechanism. The modified algorithm is capable of reducing data up to 25 %, compared to the patented algorithm. The modification made the algorithm less efficient. In large-scale test, performed on Rosetta spacecraft telemetry, the modified algorithm achieved around 5 % higher compression.
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Jabber robot for vocabulary exercising
 Dušák, Petr ; Šlajchrt, Zbyněk (advisor) ; Skoupý, Radek (referee)
Thesis on "Jabber robot for exercising words" is divided into two parts. First part is concerned with basics of XMPP, its history and current trends in instant messaging. Second part is focused on XMPP robot development. This robot is based on .NET Framework 4.0 and agsXMPP SDK. Second part also includes web site which is used for administration, following statistics and results of completed tests. Robot works in GoogleTalk network.
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