Printing Data
Vibrex 2000 and Vibrex 2000 Plus User Guide 29
The following example shows an annotated sample Vibrex unit printout
on hard copy:
3.3.3 Reading FFT Data
One of the types of data available to print in the Vibrex 2000 or
Vibrex 2000 Plus spectral data file is called raw FFT. Fast Fourier
transform (FFT) is a method used to record vibration spectra digitally. An
FFT consists of individual bins (also called lines). Each bin contains a
percentage of the RPM range. The user may determine the actual RPM
range contained in each bin by dividing the spectrum range (in RPM) by
the number of bins.
NAME: SPECTRUM
AC: Vibrex 2000
LOG#: 1
LTYP: R
TID: Vibrex 2000
SSRT: 1
SNAME: Unknown Regm
DATE: 04-09-1997
TIME: 08:08:01
SPC#: 1
SDRSC:CSNA 206
VCH: 1
ACH: 1
FRQH: 333.3333
UNITS: IPS
SP: 0.001000
RPM: 480
BINS: 400
0
112
61
8
1
1
11
RUN EXERCISE
DAY/DATE TAKEN
TIME TAKEN
ANNOTATION
VIBRATION CHANNEL
AZIMUTH CHANNEL
SPECTRUM RANGE IN Hz (Hz X 60 = RPM)
VIBRATION UNITS
RPM SIGNAL
BIN NO. 1
To Next Page
Loading...
Need help?
General
