User`s guide

Table B-14. SDF_WINDOW (Window structure)
Field
Index
Binary
Index*
Field Name/Description
Data
Type
Range/
Units
1 1:2 windowType
0=window not applied
1=Hanning
2=Flat Top
3=Uniform
4=Force
5=Response
6=user-defined
7=Hamming
8=P301
9=P310
10=Kaiser-Bessel
11=Harris
12=Blackman
13=Resolution filter
14=Correlation Lead Lag
15=Correlation Lag
16=Gated
17=P400
short 0:12
2 3:4 windowCorrMode
0=correction not applied
1=narrow band correction applied
2=wide band correction applied
short 0:2
35:8
windowBandWidth
NOTE: When windowType = 13, this field contains the
instrument’s resolution bandwidth.
float unit is bins
unit is Hz,
range is i.d.
4 9:12 windowTimeConst — determines decay of Force and
Response windows
float unit is sec,
range is i.d.
5 13:16 windowTrunc — width of FORCE window float unit is sec,
range is i.d.
6 17:20 wideBandCorr — correction factor for wide-band signals
(like random noise)
float
10
34
(except 0)
7 21:24 narrowBandCorr — correction factor for narrow band signals
(like sinesoidal wave)
float
10
34
(except 0)
*Bytes i.d. = instrument-dependent
Standard Data Format (SDF)
B-26