Search Results - "ZIELIŃSKI, TOMASZ"

Benchmarks for microstructure-based modelling of sound absorbing rigid-frame porous media by Zieliński, Tomasz G., Venegas, Rodolfo, Perrot, Camille, Červenka, Milan, Chevillotte, Fabien, Attenborough, Keith

“…This work presents benchmark examples related to the modelling of sound absorbing porous media with rigid frame based on the periodic geometry of their…”
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Microstructure representations for sound absorbing fibrous media: 3D and 2D multiscale modelling and experiments by Zielinski, Tomasz G

“…The paper proposes and investigates computationally-efficient microstructure representations for sound absorbing fibrous media. Three-dimensional volume…”
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Generation of random microstructures and prediction of sound velocity and absorption for open foams with spherical pores by Zieliński, Tomasz G

“…This paper proposes and discusses an approach for the design and quality inspection of the morphology dedicated for sound absorbing foams, using a relatively…”
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Microstructural design, manufacturing and dual-scale modelling of an adaptable porous composite sound absorber by Opiela, Kamil C., Zieliński, Tomasz G.

“…This work investigates a porous composite with modifiable micro-geometry so that its ability to absorb noise can be accommodated to different frequency ranges…”
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Normalized inverse characterization of sound absorbing rigid porous media by Zieliński, Tomasz G

“…This paper presents a methodology for the inverse characterization of sound absorbing rigid porous media, based on standard measurements of the surface…”
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Joint Application of Audio Spectral Envelope and Tonality Index in an E-Asthma Monitoring System by Wisniewski, Marcin, Zielinski, Tomasz P.

“…This paper presents in detail a recently introduced highly efficient method for automatic detection of asthmatic wheezing in breathing sounds. The fluctuation…”
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Low-Complexity P Class to M Class PMU Model for Distribution Systems by Duda, Krzysztof, Zielinski, Tomasz P.

“…The paper presents a new PMU (Phasor Measurement Unit) signal processing model compliant with the IEC/IEEE 60255-118-1 standard. The disturbances are rejected…”
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5G Network-Based Passive Radar by Samczynski, Piotr, Abratkiewicz, Karol, Plotka, Marek, Zielinski, Tomasz P., Wszolek, Jacek, Hausman, Slawomir, Korbel, Piotr, Ksiezyk, Adam

“…This article presents the pioneering results of successful target detection using a fully operational and cooperative 5G cellular network as a source of…”
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Anty-Aleksander? Wizerunek Demetriusza Poliorketesa w "Żywocie Demetriusza" Plutarcha z Cheronei by Zieliński, Tomasz

“…The assumption that imitation of Alexander the Great played a key role in the image of Demetrius Poliorcetes has been broadly accepted by many researchers. The…”
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Sound absorption of plates with micro-slits backed with air cavities: Analytical estimations, numerical calculations and experimental validations by Zieliński, Tomasz G., Chevillotte, Fabien, Deckers, Elke

“…This work discusses many practical and some theoretical aspects concerning modelling and design of plates with micro-slits, involving multi-scale calculations…”
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Odwołania do Aleksandra Wielkiego i ich rola w Żywocie Demetriusza Plutarcha z Cheronei by Zieliński, Tomasz

“…Among all Plutarch’s Lives of men that lived after IV B.C., the biography of Demetrius Poliorcetes contains the most references to Alexander the Great. It is…”
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Wireless OTFS-Based Integrated Sensing and Communication for Moving Vehicle Detection by Zielinski, Tomasz P., Karpovich, Pavel, Abratkiewicz, Karol, Maksymiuk, Radoslaw, Samczynski, Piotr, Duda, Krzysztof, Wypich, Marek

“…This article presents an approach for joint radar sensing and communications based on the orthogonal time-frequency space (OTFS) modulation, applied to a…”
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Taking advantage of a 3D printing imperfection in the development of sound-absorbing materials by Zieliński, Tomasz G., Dauchez, Nicolas, Boutin, Thomas, Leturia, Mikel, Wilkinson, Alexandre, Chevillotte, Fabien, Bécot, François-Xavier, Venegas, Rodolfo

“…•Double-porosity materials can be 3D printed using powders as raw materials.•Main pore network designed; micropores are a side effect of the 3D printing…”
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Acoustics of porous composites by Venegas, Rodolfo, Zieliński, Tomasz G., Núñez, Gabriel, Bécot, François-Xavier

“…Acoustic wave propagation in porous composites is investigated in this paper. The two-scale asymptotic homogenisation method is used to obtain the macroscopic…”
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Perforated closed-cell aluminium foam for acoustic absorption by Opiela, Kamil C., Zieliński, Tomasz G., Dvorák, Tomáš, Kúdela Jr, Stanislav

“…Closed-cell metal foams are lightweight and durable materials resistant to high temperature and harsh conditions, but due to their fully closed porosity they…”
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Fast one-cycle frequency estimation of a single sinusoid in noise using downsampled linear prediction model by Duda, Krzysztof, Zieliński, Tomasz P

“…A new solution to the problem of frequency estimation of a single sinusoid embedded in the white Gaussian noise is presented. It exploits, approximately, only…”
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Impact of Wall Impedance Phase Angle on Indoor Sound Field and Reverberation Parameters Derived from Room Impulse Response by Meissner, Mirosław, Zieliński, Tomasz G

“…Accurate definition of boundary conditions is of crucial importance for room acoustic predictions because the wall impedance phase angle can affect the sound…”
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Numerical investigation of active porous composites with enhanced acoustic absorption by ZIELINSKI, Tomasz G

“…The paper presents numerical analysis – involving an advanced multiphysics modeling – of the concept of active porous composite sound absorbers. Such absorbers…”
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Perfectly Flat-Top and Equiripple Flat-Top Cosine Windows by Duda, Krzysztof, Zielinski, Tomasz P., Barczentewicz, Szymon H.

“…This paper describes a new method for designing flat-top cosine time windows. New perfectly flat-top windows, i.e., having monotonically decaying main lobe,…”
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Fir Filters Compliant with the IEEE Standard for M Class PMU by Duda, Krzysztof, Zieliński, Tomasz P.

“…In this paper it is shown that M class PMU (Phasor Measurement Unit) reference model for phasor estimation recommended by the IEEE Standard C37.118.1 with the…”
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