Can I get PSD data for Indian Railway Coaches?

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Varadaraj Gidugu

Please check this link ... I am not from this field but found this

http://www.ijest-ng.com/vol3_no8/ijest-ng-vol3-no8-pp54-65.pdf

Srihari,

I have obtained PSD data of Indian railway passenger coach from RDSO Lucknow.

I am attaching the data you require.

Dr RC Sharma

Srihari Palli

Dear Sharma Sir,

The RDSO data provided for vertical vibration analysis was good enough. However, please let me know the values that are provided in the excel represent what, is it track surface unevenness?If so, how is that curve in terms of Freq(Hz) vs Displacement(g**2/Hz) come from the values in the Excel?