There are many impulse response measurement scenarios in which the playback and recording devices maintain separate unsynchronized digital clocks resulting in clock drift. Clock drift is problematic for impulse response measurement techniques involving convolution, including sinusoidal sweeps and pseudo-random noise sequences. We present analysis of both a drifting record clock and playback clo...

Localized defects in rotating mechanical parts tend to result in impulse response in vibration signal, which contain important information about system dynamics being analyzed. Thus, parameter identification of impulse response provides a potential approach for localized fault diagnosis. A method combining the Morlet wavelet and correlation filtering, named Cyclic Morlet Wavelet Correlation Fil...

†Departamento de Instrumentación Industrial, Instituto Universitario de Tecnologı́a Alonso Gamero, 4101-Coro, Estado Falcón, Venezuela ‡Departament de Llenguatges i Sistemes Informàtics, Universitat Politècnica de Catalunya 08034, Barcelona, Spain {Departamento de Lenguajes y Sistemas Informáticos, Universidad de Granada 18071, Granada, Spain §Departament d’Enginyeria de Sistemes, Automàtica i I...

A method for mappzng DSP algorzthms represented b y unamodular loop nests znto applzcatzon speczfic structures a5 presented The method consists an representzng the reduced dependence graph of an algorzthm zn the multtdzmenszonal andex space, and mappzng thzs graph znto a subspace of structure and subspace of events. Some restrzctzons, whzch constrazn the reduced dependence graph, help to szmplz...

This contribution describes a fast frequency domain approach for blind channel identification which does not rely on the statistic of the symbols. The proposed approach is based on the so–called “intraspectral relations” of DFT’s of PAM fractionally sampled signals. The use of DFT’s is allowed under certain conditions commonly encountered in data communication systems. The intraspectral relatio...

Accepted 28 January 2016 Available online 10 February 2016

Project acronym: SustainValue Project name: Sustainable value creation in manufacturing networks Call and Contract: FP7-NMP-2010-SMALL-4 Grant Agreement no.: 262931 Project duration: 01.04.2011 – 31.03.2014 (36 months) Co-ordinator VTT VTT Technical Research Centre of Finland (FI) Partners: POLIMI Politecnico di Milano (IT) UiS Center for Industrial asset management, University of Stavanger (NO...

In this paper, I compare model-based and moving average-based approaches to seasonal adjustment. I propose an optimal moving average filter, designed to minimize the distance from a model-based filter. In simulations, I consider the accuracy of the alternative methods in estimating seasonal factors in a simple model. I find that the most reliable results are obtained either by the model-based a...