Its Full Width at Half Maximum is . Its Instrument Function is

where is a Bessel Function of the First Kind. It has a width of 1.59044, a maximum of , maximum Negative sidelobe of times the peak, and maximum Positive sidelobe of 0.356044 times the peak.

**References**

Press, W. H.; Flannery, B. P.; Teukolsky, S. A.; and Vetterling, W. T.
*Numerical Recipes in FORTRAN: The Art of Scientific Computing, 2nd ed.*
Cambridge, England: Cambridge University Press, p. 547, 1992.

© 1996-9

1999-05-26