Title	Spectrum Estimation by Several Interpolation Methods
Author	Manabu Ishihara
Citation	Vol. 6  No. 2  pp. 205~209
Keywords	Spline’s function, Akima’s approximation, Lagrange’s formula, Digital Filter

Title	Design of FIR Filter Using Differential Evolution Optimization & to Study its Effect as a Pulse-Shaping Filter in a QPSK Modulated System
Author	S. Chattopadhyay, S.K. Sanyal, A. Chandra
Citation	Vol. 10  No. 1  pp. 313-321
Keywords	DE, FIR digital filter, Minimax error, QPSK