The measured variation of environmental magnetic fields at three locations-Tokyo Denki University, Hokkaido University, and the Research Laboratory of Takenaka Corp.-is described, and the origin of magnetic field noise is discussed with reference to magnetic fields generated by electric trains. Near railways, large variations in magnetic field are observed due to imbalance between the feeder line and return rail line. Simulations confirmed that trains are especially apt to generate fields in the direction perpendicular to the direction of train travel.
Consideration on low frequency magnetic field noise from electric train for design of magnetic shielded room for bio-magnetics measurement
Überlegungen zum Niederfrequenzmagnetfeldrauschen von Elektrozügen zum Entwurf eines magnetisch abgeschirmten Raumes für Biomagnetismusmessungen
IEEE Translation Journal on Magnetics in Japan ; 7 , 7 ; 519-524
1992
6 Seiten, 1 Quelle
Article (Journal)
English
Biomagnetismus , Elektrolokomotive , magnetisches Feld , magnetische Abschirmung , Eisenbahn , Universität , Japan , Messen magnetischer Größen , Gleis , Innenraum , Bahn (Verkehr) , Zug (Verkehr) , Umwelteinfluss , Elektroantrieb , Querfeld , Speiseleitung , Entstörung , Rauschen , Niederfrequenz , Simulation , Laboratoriumstechnik , Störfeldstärke , Störgröße
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