Freqüència de Nyquist (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Freqüència de Nyquist" in Catalan language version.

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Grenander, Ulf. Probability and Statistics: The Harald Cramér Volume. Wiley, 1959. «The Nyquist frequency is that frequency whose period is two sampling intervals.»
Harry L. Stiltz. Aerospace Telemetry. Prentice-Hall, 1961. «the existence of power in the continuous signal spectrum at frequencies higher than the Nyquist frequency is the cause of aliasing error»
James J. Condon; Scott M. Ransom Essential Radio Astronomy. Princeton University Press, 2016, p. 280–281. ISBN 9781400881161.
John W. Leis. Digital Signal Processing Using MATLAB for Students and Researchers. John Wiley & Sons, 2011, p. 82. ISBN 9781118033807. «The Nyquist rate is twice the bandwidth of the signal ... The Nyquist frequency or folding frequency is half the sampling rate and corresponds to the highest frequency which a sampled data system can reproduce without error.»
Jonathan M. Blackledge. Digital Signal Processing: Mathematical and Computational Methods, Software Development and Applications. Horwood Publishing, 2003. ISBN 1-898563-48-9.
Paulo Sergio Ramirez Diniz, Eduardo A. B. Da Silva, Sergio L. Netto. Digital Signal Processing: System Analysis and Design. Cambridge University Press, 2002. ISBN 0-521-78175-2.

; Paras Shah«An Introduction to Sampling Theory». [Consulta: 17 abril 2010]. «Frequencies "fold" around half the sampling frequency - which is why the [Nyquist] frequency is often referred to as the folding frequency.»