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- Publications
- Influence

A systematic algorithm for the design of multiplierless FIR filters

- J. Yli-Kaakinen, T. Saramäki
- Computer Science
- ISCAS . The IEEE International Symposium on…
- 6 May 2001

A systematic algorithm is proposed for designing multiplierless finite-impulse response (FIR) filters. This algorithm minimizes the number of adders required to implement the overall filter to meet… Expand

Optimization of FIR filters using the frequency-response masking approach

- T. Saramäki, H. Johansson
- Computer Science, Engineering
- ISCAS . The IEEE International Symposium on…
- 6 May 2001

A very efficient technique for drastically reducing the number of multipliers and adders in implementing linear-phase finite impulse response filters is to use the frequency-response masking… Expand

Optimum masking levels and coefficient sparseness for Hilbert transformers and half-band filters designed using the frequency-response masking technique

- Y. Lim, Y. Yu, T. Saramäki
- Computer Science, Mathematics
- IEEE Transactions on Circuits and Systems I…
- 7 November 2005

Hilbert transformers and half-band filters are two very important special classes of finite-impulse response filters often used in signal processing applications. Furthermore, there exists a very… Expand

On the design of high-complexity cosine-modulated transmultiplexers based on the frequency-response masking approach

- M. Furtado, P. Diniz, S. Netto, T. Saramäki
- Computer Science
- IEEE Transactions on Circuits and Systems I…
- 7 November 2005

Two efficient techniques exploiting the frequency-response masking (FRM) approach are proposed in order to make it feasible to design prototype filters for highly selective nearly… Expand

On properties and design of nonuniformly spaced linear arrays [antennas]

- P. Jarske, T. Saramäki, S. Mitra, Y. Neuvo
- Computer Science, Engineering
- IEEE Trans. Acoust. Speech Signal Process.
- 1 March 1988

The properties of nonuniformly spaced linear arrays (and nonrecursive filters with nonequidistant taps) are studied. It is shown that in many cases the element spacings of the optimal solution are… Expand

Implementation of the transposed Farrow structure

- D. Babic, J. Vesma, T. Saramäki, M. Renfors
- Mathematics, Computer Science
- IEEE International Symposium on Circuits and…
- 7 August 2002

The Farrow structure provides an efficient way to implement sampling rate increase between arbitrary sampling rates. However, in the case of sampling rate decrease the Farrow structure can only… Expand

Three classes of IIR complementary filter pairs with an adjustable crossover frequency

- L. Milic, T. Saramäki
- Computer Science, Mathematics
- Proceedings of the International Symposium on…
- 25 May 2003

Three classes of complementary recursive low-pass/high-pass filter pairs are introduced. For each class, the crossover frequency can be arbitrarily selected without changing the predetermined… Expand

Improved technique for design of perfect reconstruction FIR QMF banks with lossless polyphase matrices

- P. Vaidyanathan, T. Nguyen, Z. Doganata, T. Saramäki
- Computer Science, Mathematics
- IEEE Trans. Acoust. Speech Signal Process.
- 1 July 1989

A technique is developed for the design of analysis filters in an M-channel maximally decimated, perfect reconstruction, finite-impulse-response quadrature mirror filter (FIR QMF) bank that has a… Expand

A Systematic Algorithm for the Design of Lattice Wave Digital Filters With Short-Coefficient Wordlength

- J. Yli-Kaakinen, T. Saramäki
- Computer Science, Mathematics
- IEEE Transactions on Circuits and Systems I…
- 30 July 2007

This paper describes an efficient algorithm for designing lattice wave digital (LWD) filters (parallel connections of two all-pass filters) with short-coefficient wordlength. The coefficient… Expand

Design and properties of polynomial-based fractional delay filters

- J. Vesma, T. Saramäki
- Mathematics, Computer Science
- IEEE International Symposium on Circuits and…
- 28 May 2000

Design and properties of polynomial-based FIR filters with adjustable fractional delay are studied. Given the passband region, the filter parameters are optimized to minimize in the passband the… Expand