Synthesis of Delay Equalized Time-Varying Butterworth Filters. - Roman Kaszynski; Jacek Piskorowski (APCCAS, 2006)

On Problems of Compensated Continuous-Time Chebyshev Filters in the Time Domain. - Jacek Piskorowski (ISCAS, 2007)

Selected Structures of Filters With Time-Varying Parameters. - Roman Kaszynski; Jacek Piskorowski (IEEE Trans. Instrum. Meas., 2007)

A new concept of phase-compensated continuous-time Chebyshev filters. - Jacek Piskorowski (Signal Process., 2008)

Some Aspects of Dynamic Reduction of Transient Duration in Delay-Equalized Chebyshev Filters. - Jacek Piskorowski (IEEE Trans. Instrum. Meas., 2008)

The Reduction of the Duration of the Transient Response in a Class of Continuous-Time LTV Filters. - Miguel Ángel Gutiérrez de Anda; Arturo Sarmiento-Reyes; Luis Hernández-Martínez; Jacek Piskorowski; Roman Kaszynski (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

A New Class of Continuous-Time Delay-Compensated Parameter-Varying Low-Pass Elliptic Filters With Improved Dynamic Behavior. - Jacek Piskorowski; Miguel Ángel Gutiérrez de Anda (IEEE Trans. Circuits Syst. I Regul. Pap., 2009)

Digital notch filter with time-varying quality factor for the reduction of powerline interference. - Jacek Piskorowski (ISCAS, 2010)

A new concept of continuous-time narrow bandpass Q-varying filter with transient suppression. - Jacek Piskorowski; Miguel Ángel Gutiérrez de Anda (ISCAS, 2010)

Digital Q-Varying Notch IIR Filter With Transient Suppression. - Jacek Piskorowski (IEEE Trans. Instrum. Meas., 2010)

Powerline interference removal from ECG signal using notch filter with non-zero initial conditions. - Jacek Piskorowski (MeMeA, 2012)

A concept of time-varying FIR notch filter based on IIR filter prototype. - Slawomir Kocon; Jacek Piskorowski (MMAR, 2012)

An analytical approach to the group delay compensation of digital IIR filters. - Piotr Okoniewski; Jacek Piskorowski (MMAR, 2012)

A concept of time-varying FIR notch filter with non-zero initial conditions based on linear Kalman notch filter prototype. - Slawomir Kocon; Jacek Piskorowski (MMAR, 2013)

Stability analysis of linear time-varying IIR filter with equalized group delay characteristic. - Piotr Okoniewski; Jacek Piskorowski (MMAR, 2013)

Time-varying IIR multi-notch filter based on all-pass filter prototype. - Slawomir Kocon; Jacek Piskorowski (MMAR, 2014)

A graphical user interface for designing time-varying IIR filters with equalized group delay. - Piotr Okoniewski; Jacek Piskorowski (MMAR, 2014)

Time-varying FIR notch filter implementation using Raspberry Pi. - Slawomir Kocon; Jacek Piskorowski (MMAR, 2015)

Implementation of non-zero initial conditions for multi-notch FIR filter using raspberry Pi. - Slawomir Kocon; Jacek Piskorowski (MMAR, 2016)

A time-varying filters approach in reducing measurement time of multiple inertial sensors. - Piotr Okoniewski; Jacek Piskorowski (MMAR, 2016)

Experimental results of stable time-varying multi-notch filter. - Slawomir Kocon; Piotr Okoniewski; Jacek Piskorowski (MMAR, 2017)

Design of stable LTV multi-notch IIR filter with Lookup Tables. - Piotr Okoniewski; Slawomir Kocon; Jacek Piskorowski (MMAR, 2017)

Linear Time-Varying Multi-Notch FIR Filter for Fast EMG Measurements. - Piotr Okoniewski; Slawomir Kocon; Jacek Piskorowski (MMAR, 2018)

Allpass Based Multi-Notch IIR Filter with Equalized Group Delay. - Piotr Okoniewski; Slawomir Kocon; Jacek Piskorowski (MMAR, 2018)

Short Transient IIR Multinotch Filter With Time-Varying Parameters and Nonzero Initial Conditions. - Slawomir Kocon; Jacek Piskorowski (IEEE Trans. Instrum. Meas., 2021)

Power Line Interference Removal From Short-Latency Evoked Potentials Using Digital Time-Efficient Selective Elliptic Notch Filter. - Slawomir Kocon; Jacek Piskorowski (IEEE Trans. Instrum. Meas., 2022)

A new geometric approach to the calculation of transmission zeros in the signal processing theory. - Dariusz Paczko; Wojciech P. Hunek; Jacek Piskorowski (Signal Process., 2023)