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pro vyhledávání: '"J. R. Sheehan"'
Publikováno v:
Symposium on the Application of Geophysics to Engineering and Environmental Problems 2005.
Autor:
J R, Sheehan
Publikováno v:
The New Zealand nursing journal. Kai tiaki. 85(11)
Publikováno v:
Bell System Technical Journal. 50:2399-2419
This paper presents theoretical analysis and experimental verification of the performance of a digital data modem which uses combined amplitude and phase modulation (AM–PM). The theoretical model assumes operation over the bandlimited additive Gaus
Publikováno v:
Bell System Technical Journal. 45:755-758
Data communication systems in current use generally require substantially more bandwidth than the Nyquist minimum of one-half cycle per symbol. This comes about for two main reasons: first, the baseband signal spectrum has a gradual roll-off beyond t
Autor:
J. R. Sheehan
Publikováno v:
AAPG Bulletin. 70