Chadwick-Helmuth 8500C - Page 124

B-2
Chadwick-Helmuth Company, Inc.
Appendix B -
Spectral Data File Format
To calculate the frequency in Hertz of a specific bin, use the following formula:
bin_# x 9513_base_frequency (Hertz
sample_period_ x points_in_FFT_frame
NOTE: FFT stands for fast Fourier transform.
387
...
377
...
289
...
73
...
95
...
108
...
76
...
90
...
:
etc.
Table B-1. Spectral Data File Format and Contents (Sheet 2 of 2)
Data from .SPC file Description