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Harmonic analysis of a musical composition
Hradecký, Tomáš ; Holan, Tomáš (referee) ; Obdržálek, Jan (advisor)
This work describes what is known about music theory and it suggests an algorithm for dynamic just-intonation tuning. Software Prelad (Retune) is an integral part of this work. This software contains the following functions: loading a MIDI file containing a musical composition; inserting microtuning instructions and exporting to a MIDI file; classifying melodic and harmonic notes; the automatic suggestion of a tuning in the musical composition with a view to achieving just-intonation distances between notes in chords; the possibility of user corrections of the automatic suggestion; genetic algorithm to find suboptimal settings for the weighting of criteria for classifying melodic and harmonic notes. The text of this work contains the description of well-known tunings, the explanation of melodic and harmonic notes, the description of the MIDI-file format and the description of the software Prelad (Retune). It also describes the algorithm for the automatic suggestion of a tuning and the genetic algorithm for finding suboptimal settings for weighting of criteria for classifying melodic and harmonic notes. This text also contains the user's manual and the program documentation.
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Mpembe effect - reality or fiction? (Hysteresis by water freezing).
Böhm, Pavel ; Obdržálek, Jan (advisor) ; Rotter, Miloš (referee)
The aim of this thesis was to review theoretically and experimentally so-called Mpemba eect, where the initially hot water freezes sooner than the initially cold one. Based upon already published theoretical and experimental works, a list of circumstances possibly supporting this phenomenon was created and discussed. Some situations were veried experimentally. These experiments were carried out partly in laboratory using small amounts of distilled water (less than 1 ml), partly in "kitchen conditions" using the tap water (about 200 ml) and a commercial home refrigerator. The time of freezing dened by freezing of the entire body of water was measured using the inection points of cooling curves. Unlikely to the Mpemba eect (and likely to the usual expectations), usually the sample of cold water freezes sooner than the hot one. The Mpemba eect occured rarely, mostly when the cooler was covered by the layer of the snow and the hot vessel could melt through it to reach better thermal contact than the cold vessel. Other observed cases were mostly inconclusive.
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Gap – gep – gap?
Obdržálek, J. ; Bílková, Petra ; Mlynář, Jan
They presented the general terminological difficulties in technical language continuum physics. In particular it deals with the advantages and disadvantages of the great influence of English in terms of graphical (typological) and phonetic
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The methodology of mapping, evidence, documentation, care, and protection of important avenues and their trees
Hendrych, J. ; Borský, J. ; Jech, D. ; Létal, A. ; Malá, E. ; Obdržálek, J. ; Vorel, I. ; Žlebčík, J.
Práce zahrnuje úvodní obecnou analytickou část, jejímž účelem je stručné informativní shrnutí současného poznání a komplexní podstaty řešené alejové problematiky. Na tuto část navazují konkrétní kapitoly v rámci odborné aplikované části: Mapování a dokumentace alejí (popisující stanovené a odzkoušené metody mapování, dokumentace a evidence sledovaných jevů a prvků významných alejových linií a stromořadí v krajině), Množení alejových dřevin (kde jsou rozebrány vhodné metody přemnožení vybraných alejových dřevin, péče o ně a jejich další pěstování) a Obnova a management historických alejí (kde jsou popsány jak současné postupy a principy péče a ochrany alejí a jejich dřevin, tak i používané metody (včetně zahraničních) revitalizací a obnov, které jsou významné z hlediska současné praxe).
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