Formulas to generate efficient piecewise-polynomial implementations of narrowband linear-phase FIR filters. - Raija Lehto; Tapio Saramäki; Olli Vainio (ISCAS, 2006)

Synthesis of Narrowband Linear-Phase FIR Filters With a Piecewise-Polynomial Impulse Response. - Raija Lehto; Tapio Saramäki; Olli Vainio (IEEE Trans. Circuits Syst. I Regul. Pap., 2007)

Hilbert transformers with a piecewise-polynomial-sinusoidal impulse response. - Raija Lehto; Tapio Saramäki; Olli Vainio (ISCAS, 2008)

Synthesis of Wideband Linear-Phase FIR Filters with a Piecewise-Polynomial-Sinusoidal Impulse Response. - Raija Lehto; Tapio Saramäki; Olli Vainio (Circuits Syst. Signal Process., 2010)

Interactive lecturing techniques. - Raija Lehto (ISCAS, 2011)

Recursive FIR filter structures on FPGA. - Raija Lehto; Tarja Taurén; Olli Vainio (Microprocess. Microsystems, 2011)