Level 2 Help for IFFT

CMULTIPL

CMULTIPL and THRESH are may be used to modify the conversion from
complex data to byte data.  The conversion formula is as follows:

   DN = min( 255, CMULTIPL * log10( max( 1.0, ABS(CDN)/THRESH)))

where CDN is the complex data value, and ABS is the absolute value
function.

THRESH

CMULTIPL and THRESH are may be used to modify the conversion from
complex data to byte data.  The conversion formula is as follows:

   DN = min( 255, CMULTIPL * log10( max( 1.0, ABS(CDN)/THRESH)))

where CDN is the complex data value, and ABS is the absolute value
function.