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Autor(en):
Schillinger, D.; Papadopoulos, V. 
Titel:
Accurate estimation of evolutionary power spectra for strongly narrow-band random fields 
Abstract:
One of the most widely used techniques for the simulation of non-homogeneous random fields is the spectral representation method. Its key quantity is the power spectrum, which characterizes the random field in terms of frequency content and spatial evolution in a mean square sense. The paper at hand proposes a method for the estimation of separable power spectra from a series of samples, which combines accurate spectrum resolution in space with an optimum localization in frequency. For non-separ...    »
 
Zeitschriftentitel:
Computer Methods in Applied Mechanics and Engineering 
Jahr:
2010 
Band / Volume:
17-20 
Heft / Issue:
199 
Seitenangaben Beitrag:
947-960