National Repository of Grey Literature 6 records found  Search took 0.00 seconds. 
IR UWB modulation methods
Bezucha, Petr
This essay deals with ultrawideband signals and analyses possibilities of their impulse generation and their code and data modulation.
Analysis of influence of code doppler on mean acquisition time in direct sequence spread spectrum communication systems with serial search
Bezucha, Petr ; Hovorka, Ladislav
This contribution shows influence of code Doppler on mean acquisition time of a serial search direct-sequence spread/spectrum pseudo/noise code acquisition system in Gaussian channel. Results of this analysis enable us to set the parameters of this system to the optimum values and minimize the mean acquisition time.
Research and development of the process for production of extra pure ammonium aluminium sulphate II
Rodová, A. ; Hora, L. ; Bezucha, P. ; Synek, V. ; Kokšal, J. ; Hodslavská, J. ; Hostomský, Jiří ; Hostomská, Věra
295 Research and development of the process for production of extra pure ammonium aluminium sulphate, where the concentration of contaminants does not exceed 0.3 ppm for Ca, Co, Cr, Fe, Mg, Mn, Pb, Si, Ti, Zn, 2.0 ppm for Ga and Na and 3.0 ppm for K. Preparation of ammonium aluminium sulphate (alum) solution by dissolution of aluminium hydroxide in sulphuric acid solution and by addition of ammonia. Purification of alum by crystallization and recrystallization.
Research and development of the process for production of extra pure ammonium aluminium sulphate I
Rodová, A. ; Wildnerová, M. ; Janoš, P. ; Bezucha, P. ; Domský, V. ; Hostomský, Jiří ; Hostomská, Věra ; Velická, Jana
Research and development of the process for production of extra pure ammonium aluminium sulphate, where the concentration of contaminants does not exceed 0.3 ppm for Ca, Co, Cr, Fe, Mg, Mn, Pb, Si, Ti, Zn, 2.0 ppm for Ga, and Na and 3.0 ppm for K. Evaluation of suitable raw materials; analytical methods for determination of contaminant concentrations; determination of phase equilibria in the system sulphuric acid ů ammonium sulphate ů aluminium sulphate ů water.

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4 Bezucha, Petr
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