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FRÖHLICH, L. SEDLÁČEK, J. FRIEDL, M. KADLEC, R.
Originální název
Universal Filters for Processing of NMR Signals
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
angličtina
Originální abstrakt
Abstract|An analysis of the parameters and usage of universal fiters in NMR area can be very interesting. In certain cases, there are situations when it is not possible to use standard filters, mainly because of requirements for tuning complete filter or using higher amount of transfer functions, which can be LP, HP, BP, BR but also LPN or HPN and AP. For this purpose, there can be used the universal filters which usually contain three and more OAs. One of these filter types are Akerberg-Mossberg or Kerwin-Huelsman-Newcomb circuits. To be able to use their universality, it is necessary to realize suitable digital processing of their basic parameters of the set filter. These parameters are mainly resonant frequency, quality factor and transfer factor. For processing or tunning of filters it is possible to use digital potentiometers, digitally controlled switchers or other modern active blocks. This article deals with the usage of these filters by control of their parameters with the help of microprocessor.
Klíčová slova
Filters
Autoři
FRÖHLICH, L.; SEDLÁČEK, J.; FRIEDL, M.; KADLEC, R.
Rok RIV
2012
Vydáno
19. 8. 2012
Místo
Moscow
ISBN
978-1-934142-22-6
Kniha
PIERS 2012 Moscow Proceedings
ISSN
1559-9450
Periodikum
Progress In Electromagnetics
Ročník
2
Číslo
08
Stát
Spojené státy americké
Strany od
873
Strany do
876
Strany počet
4
BibTex
@inproceedings{BUT93784, author="Lubomír {Fröhlich} and Jiří {Sedláček} and Martin {Friedl} and Radim {Kadlec}", title="Universal Filters for Processing of NMR Signals", booktitle="PIERS 2012 Moscow Proceedings", year="2012", journal="Progress In Electromagnetics", volume="2", number="08", pages="873--876", address="Moscow", isbn="978-1-934142-22-6", issn="1559-9450" }