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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Analysis and modeling of fundamental types of noise and distortion upon musical signal restoration
 Lefler, Filip ; Mlýnek, Petr (referee) ; Rášo, Ondřej (advisor)
Thesis deals with the basic noise and distortion, appearing in the musical records. Noise and distortion in this bachelor thesis are described verbally and mathematically. Thesis also contains spectrograms some music signals, that are affected by noise and distortion and spectrograms after their removal. The last part is the chapter dealing with the differences between real and simulated signals and chapter describing program, that generated some noise and distortion.
Detailed record
Fractional-order filter structures
 Lefler, Filip ; Langhammer, Lukáš (referee) ; Dvořák, Jan (advisor)
Semestral thesis deals with fractional-order frequency filters. There is descripe proposal of the filter, their simulations and practical realizations. The first part is focused at the introduction to a frequency filters. The following is chapter which explore various proposals fractional-order frequency filters. The next chapter describes used activ elements in this thesis. Then there is briefly described a method of the signal flow graphs. The following is a description of the theoretical design of lowpass and highpass frequency filter, where order of the filter is between the first and second. Another part deal with the design and simulation of the four circuits. There are two curcuits consists of transconductance amplifiers (BOTA) and two curcuist consists of current followers. The last part of the thesis deals with practical realization of the two fractional-order filters.
Detailed record
Analysis and modeling of fundamental types of noise and distortion upon musical signal restoration
 Lefler, Filip ; Mlýnek, Petr (referee) ; Rášo, Ondřej (advisor)
Thesis deals with the basic noise and distortion, appearing in the musical records. Noise and distortion in this bachelor thesis are described verbally and mathematically. Thesis also contains spectrograms some music signals, that are affected by noise and distortion and spectrograms after their removal. The last part is the chapter dealing with the differences between real and simulated signals and chapter describing program, that generated some noise and distortion.
Detailed record
Fractional-order filter structures
 Lefler, Filip ; Langhammer, Lukáš (referee) ; Dvořák, Jan (advisor)
Semestral thesis deals with fractional-order frequency filters. There is descripe proposal of the filter, their simulations and practical realizations. The first part is focused at the introduction to a frequency filters. The following is chapter which explore various proposals fractional-order frequency filters. The next chapter describes used activ elements in this thesis. Then there is briefly described a method of the signal flow graphs. The following is a description of the theoretical design of lowpass and highpass frequency filter, where order of the filter is between the first and second. Another part deal with the design and simulation of the four circuits. There are two curcuits consists of transconductance amplifiers (BOTA) and two curcuist consists of current followers. The last part of the thesis deals with practical realization of the two fractional-order filters.
Detailed record

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