SUMMARY
Applies a "hanning" window to each data file.
SYNTAX
HANNING
DESCRIPTION
The "hanning" window is a recursive smoothing algorithm defined at each interior data point, j, as:
Y(j) = 0.25*Y(j-1) + 0.50*Y(j) + 0.25*Y(j+1)Each end point is set equal to its closest interior point.
ERROR MESSAGES
- 1301: No data files read in.
- 1306: Illegal operation on unevenly spaced file
HEADER CHANGES
DEPMIN, DEPMAX, DEPMEN
REFERENCES
Blackman and Tukey, "The Measurement of Power Spectra", Dover Publications, New York, 1958.
LATEST REVISION
January 8, 1983 (Version 8.0)