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envelope acceleration measurement

hello dear all

i am having problem regarding vibration analysis in which i have to measure the envelope acceleration. i am using the weighting filter but i have certain lack of knoledge regarding envelope filter which is used in the envelope measurement. if  i have to used bandpass filter range as follow

1----   300 -  6k         CPM
2----   3k  -  60k        CPM
3----   30k  -  600k    CPM
4----   300k  - 2.4M   CPM

if i have to used weighting fileter in sound and vibration toolkit,Then  can anybody help me to make vi that can measure my envelope measurement within this band pass filter ragne.

my email address is keyur.ospl@gmail.com

thanking you

keyur
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Keyur,

You may want to check out the following links:

http://zone.ni.com/devzone/cda/tut/p/id/1369
http://zone.ni.com/devzone/cda/tut/p/id/1469
http://zone.ni.com/devzone/cda/tut/p/id/4129

Abhinav T.
Applications Engineer
National Instruments
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