// Following is a 19 term Hilbert FIR  filter
float hilbert19A[]={
 0.003006666677728199,
 0.000000000000000000,
 0.017439390086760032,
 0.000000000000000000,
 0.058235158985840196,
 0.000000000000000000,
 0.161905323559397157,
 0.000000000000000000,
 0.617838316334015092,
 0.000000000000000000,
-0.617838316334015092,
 0.000000000000000000,
-0.161905323559397157,
 0.000000000000000000,
-0.058235158985840196,
 0.000000000000000000,
-0.017439390086760032,
 0.000000000000000000,
-0.003006666677728199};