National Repository of Grey Literature 4 records found  Search took 0.02 seconds. 
Generátor šumu s DSP96002
Gescheidtová, E. ; Bartušek, Karel ; Dokoupil, Zdeněk
In the paper, the design and software implementation are described of a generator of pseudorandom binary noise signal of adjustable length and with repetition of pseudorandom binary signal sequence. The parameters of noise outputs are stable, well defined and variable over a wide range.
Určení rozdílů relaxačních časů T2 u PMMA gelových elektrolytů
Vognar, J. ; Bartušek, Karel ; Novák, V. ; Vondrák, Jiří
T2 relaxation is complex phenomenon, but at its most fundamental level, it corresponds to a decoherence of the transverse nuclear spin magnetization.
Studium gelových elektrolytů na bázi PMMA a obsahujících ionty Na+ pomocí nukleární magnetické rezonance
Vognar, J. ; Macalík, M. ; Špičák, P. ; Vondrák, Jiří ; Novák, V. ; Krejza, O. ; Bartušek, Karel
Mixture of liquid MMA and PC displays significantly longer relaxation times T1 and T2 than clear solution of NaClO4 in PC. Possibly reason is that the presence of MMA release solvatation of ions Na+ by propylencarbonate.
Korekční metoda pro nehomogenní magnetické pole
Hadinec, M. ; Bartušek, Karel
In this work, we developed a method, which is used for approximation of basic magnetic field B0 inside a specific spherical volume. The coefficients of spherical function expansion obtained from approximation process can be used for determination of shimming currents which are feeding correction coils of tomograph.

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