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The automatic self tuning system for seven-string guitars
Jeřábek, Vojtěch ; Novotný, Radovan (referee) ; Levek, Vladimír (advisor)
The thesis describes a realization of the automatic self tuning system for sevenstring guitars. There are comparisons of commercial and uncommercial solutions for six-string guitars. There is also evaluation of useful parts for seven-string guitars. Thesis contains a description of a requirements for individual parts and a control software with respect on real guitar properties and used computing algorithm. In the second part of thesis, there is a description of final system design and its realisation including the control software. This is also related with testing of the entire system.
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Wireless sound transfer
Jeřábek, Vojtěch ; Bohrn, Marek (referee) ; Pavlík, Michal (advisor)
The thesis deals mainly with the possibilities of using the module nRF24L01+ for the wireless sound transfer, with as low latency, good reliability and sound quality as possible. The first part of the thesis is devoted to the description of the device and its internal structure for wireless sound transfer, even in the case of transferring multichannel sound. The thesis also describes the sound digitalization process and its requirements for the final quality. The second part of this thesis is focused on the description of the wireless module nRF24L01+, including analyzing its internal structure and the way it works. A comparison to other wireless modules that are available on the market, including its advantages and disadvantages, is also provided. The third part of the thesis is devoted to the design of the described system for an electric guitar.
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Změny teplot násadových vajec během inkubace při přirozeném líhnutí
Jeřábek, Vojtěch
The main aim of this diploma thesis was monitoring the actual temperature of hatching eggs under brood - hen and temperature changes during natural incubation. It was monitored the shift of eggs in the nest and their angle of rotation. Hereinafter were measured surface temperatures brood- hens of egg layer, meat- producing type of hens and egg type of hens. The literary review describes the embryonic development of the embryo of domestic fowl, natural hatching under brood - hen and history hatching of poultry. In the history hatching of poultry is described artificial hatchingin in ancient Egypt and China. Historical hatcheries are the beginning of hatching in Europe and in the territory of Czech lands. The last part of the literary review describes the actual hatching technology and the latest trends in artificial hatching. In the results are recorded and commented tracked values the temperature of hatching eggs at natural incubation and surface temperature of brood- hens of egg layer, meat- producing type of hens and egg type of hens. In a section of the result, is through the pictures shown the move of the eggs in the nest during the natural incubation. The last part of the results describes the rotation frequency of hatching eggs in the nest. In conclusion, the observed findings are evaluated.
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The Automatic Self Tuning System For Seven-String Guitars
Jeřábek, Vojtěch
The project deals with a design and a realization of the automatic self-tuning system for the seven-string guitars. There is a description of some solutions for the six-string guitars. There is also an evaluation of the reusable parts for the seven-string guitars. The project contains a description of those parts including a measurement and evaluation. The project also contains a basic block schematic of a design and the definition of a requirements for a control program with respect on a real guitar properties and used computing algorithm.
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Využití plemene přeštické černostrakaté v hybridizačním programu prasat
Jeřábek, Vojtěch
The aim of the thesis was to describe the use of Přeštice Black Pied breed in the hybridization program. In the literature review is described the birth and development of the breed, as well as its breeding characteristics. Successive processed information about reproduction and production properties, along with an overview of the achieved performance. Another part is the theoretical description of the hybridization program, distribution, structure and also its practical principles. The final part describes the possibilities of breed Pc in the hybridization program. Given the possibility to include purebred and hybrid boars for breeding. Also described a project that addressed the suitability Pc breed to alternative fattening, describes and explains the results with the possibility of using this breed in the system. At the end of the final section describes genetic resources, among which include Pc breed. It also works indicates which direction should proceed breeding Přeštice Pied breed to 2020.
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The automatic self tuning system for seven-string guitars
Jeřábek, Vojtěch ; Novotný, Radovan (referee) ; Levek, Vladimír (advisor)
The thesis describes a realization of the automatic self tuning system for sevenstring guitars. There are comparisons of commercial and uncommercial solutions for six-string guitars. There is also evaluation of useful parts for seven-string guitars. Thesis contains a description of a requirements for individual parts and a control software with respect on real guitar properties and used computing algorithm. In the second part of thesis, there is a description of final system design and its realisation including the control software. This is also related with testing of the entire system.
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Wireless sound transfer
Jeřábek, Vojtěch ; Bohrn, Marek (referee) ; Pavlík, Michal (advisor)
The thesis deals mainly with the possibilities of using the module nRF24L01+ for the wireless sound transfer, with as low latency, good reliability and sound quality as possible. The first part of the thesis is devoted to the description of the device and its internal structure for wireless sound transfer, even in the case of transferring multichannel sound. The thesis also describes the sound digitalization process and its requirements for the final quality. The second part of this thesis is focused on the description of the wireless module nRF24L01+, including analyzing its internal structure and the way it works. A comparison to other wireless modules that are available on the market, including its advantages and disadvantages, is also provided. The third part of the thesis is devoted to the design of the described system for an electric guitar.
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