Kyasanur Forest disease (KFD), a tick-borne viral hemorrhagic fever, is endemic in five districts of Karnataka state, India. Recent reports of the spread of disease to neighboring districts of the Western Ghats, namely Chamarajanagar district in Karnataka, Nilgiri district in Tamil Nadu, Wayanad and Malappuram districts in Kerala, and Pali village in Goa are a cause for concern. Besides vaccina...

It has been observed empirically that each coe cient in a Parks-McClellan lter converges to a steady state value as the lter length increases. This suggests the possibility of obtaining lters that are near optimal while "re-using" lter coe cients from shorter lters in the design of longer lters. In the context of approximate processing this then allows a ltering operation to be done in stages. ...