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Full-Text Articles in Physical Sciences and Mathematics
A Study On Sound Source Apparent Shape And Wideness, Guillaume Potard, Ian Burnett
A Study On Sound Source Apparent Shape And Wideness, Guillaume Potard, Ian Burnett
Faculty of Informatics - Papers (Archive)
This work is intended as an initial investigation into the perception of wideness and shape of sound sources. A method that employs mUltiple uncorrelated point sources is used in order to form "sound shapes". Several experiments were carried out in which, after some initial training, subjects were asked to indicate the shapes that were being played. Results indicate that vertical and horizontal source wideness are easily perceived and scenes that use broad sound sources are preferred 70% of the time over point source versions. However, shape perception was found to be ambiguous except for certain types of signals where results …
A Study Of Continuous Pq Disturbance Levels In Mv/Lv Distribution Systems, Victor J. Gosbell, D A. Robinson
A Study Of Continuous Pq Disturbance Levels In Mv/Lv Distribution Systems, Victor J. Gosbell, D A. Robinson
Faculty of Informatics - Papers (Archive)
Distribution Network Service Providers need to be aware of the general variation of PQ disturbances across their network, from the sites as diverse as the MV bus bar of a zone substation, the end of a MV feeder, and at the near and far ends of LV mains. This paper develops an understanding of PQ variations across such a system from survey results correlated with approximate analysis used to assign a PQ disturbance ranking to each site. The work will concentrate on continuous PQ disturbances, defined as those due to load current effects, for example voltage deviations, unbalance, fluctuations and …