TY - RPRT A1 - Koch, K. A1 - Ohser, J. A1 - Schladitz, K. T1 - Spectral Theory For Random Closed Sets And Estimating The Covariance Via Frequency Space N2 - A spectral theory for stationary random closed sets is developed and provided with a sound mathematical basis. Definition and proof of existence of the Bartlett spectrum of a stationary random closed set as well as the proof of a Wiener-Khintchine theorem for the power spectrum are used to two ends: First, well known second order characteristics like the covariance can be estimated faster than usual via frequency space. Second, the Bartlett spectrum and the power spectrum can be used as second order characteristics in frequency space. Examples show, that in some cases information about the random closed set is easier to obtain from these characteristics in frequency space than from their real world counterparts. T3 - Berichte des Fraunhofer-Instituts für Techno- und Wirtschaftsmathematik (ITWM Report) - 37 KW - Random set KW - Bartlett spectrum KW - fast Fourier transform KW - power spectrum Y1 - 2002 UR - https://kluedo.ub.uni-kl.de/frontdoor/index/index/docId/1490 UR - https://nbn-resolving.org/urn:nbn:de:hbz:386-kluedo-12998 ER -