... vibration.outgroundamplFig. 8 .10 Former method of enveloping vibration signal.Recording and Storage 12 7ampl 1 \f\II/II 1 maxfreqof interestN' 1 1iiii 1 1 1 riiiiit20 ... x0 y0 w1 h1" alt="" Recording and Storage 13 7References 1. American Gear Manufacturers' Association. AGMA Standard 6000-A 88. 2. Dudley, D.W., Dudleys Gear Handbook, Ch 13 Gear ... vibration,McGraw-Hill, New York, 19 92.3. Newland, D.E.N., Random vibrations, spectral and waveletanalysis. Longman, Harlow, UK and Wiley, New York, 19 93. 13 2 Chapter 8 filter which is less...