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track data

French translation: données relatives aux voies

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	track data
French translation:	données relatives aux voies
Entered by:	Maria Castro Valdez

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11:46 Aug 9, 2008

English to French translations [PRO]
Tech/Engineering - Transport / Transportation / Shipping

English term or phrase: track data

Results

Please see following pages where the resulting Kurze & Wettschureck Impedance based Insertion Loss has been calculated along with the **track data** and rolling stock data used as input to the model.

An MDOF based Insertion Loss prediction model requires, however, highly accurate **track data** and often entails complex technical discussions in order to produce the expected prediction result. Therefore, in order to produce fast results this concise report provides for an Insertion Loss prediction based upon the simple Kurze & Wettschureck impedance model.

Merci de votre aide.

Maria Castro Valdez KudoZ activity Questions: 919 (1 open) (11 without valid answers) (32 closed without grading) Answers: 494
Local time: 04:50

données relatives aux voies

Explanation:
"rolling stock" , c'est chemin de fer, pas Shipping!

"However, a ballast mat installation outdoors on surface track with sub-grade slabs may not have the same performance as a tunnel base where sides are stiffened by walls. In order to represent this situation, Kimura developed a simplified prediction procedure based on an original Wettschureck/Kurze model, with a finite termination impedance based on a flat beam model. This prediction procedure has been tested against measurements on at-grade installations on light rail transit and commuter railway installations in Baltimore and Boston. In both cases, the model showed good agreement with measured values for the resonant frequency dip and the mid-frequency insertion loss. At higher frequencies, however, the model over-predicted the insertion loss, as do many of the models used by ballast mat suppliers. "
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6W...