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Katalog Publikacji

Rok 2019

  • Low-Temperature Requirements for Bitumen in Central East European Road Construction
    Publikacja

    - Baltic Journal of Road and Bridge Engineering - Rok 2019

    The paper presents the proposition of special assessment of lowtemperature requirements for bitumens in the region of Central and Eastern Europe where there is a moderate transitional area from sea to the continental type of climate. The results of the research program conducted on the road neat bitumens, Styrene-Butadiene-Styrene polymer and polymer-rubber modified bitumen, and multigrade bitumen types were presented and discussed....

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  • Low-Profile ESPAR Antenna for RSS-Based DoA Estimation in IoT Applications
    Publikacja

    In this paper, we have introduced a low-profile electronically steerable parasitic array radiator (ESPAR) antenna that can successfully be used to estimate the direction-of-arrival (DoA) of incoming signals in wireless sensor network (WSN) applications, in which the height of the complete antenna has to be low. The proposed antenna is over three times lower than high-profile ESPAR antenna designs currently available in the literature...

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  • Low-Power WSN System for Honey Bee Monitoring
    Publikacja

    - Rok 2019

    The paper presents a universal low-power system for biosensory data acquisition in scope of bees monitoring. We describe the architecture of the system, energy-saving components as well as we discuss the selection of used sensors. The work focuses on energy optimization in a scope of wireless communication. A custom protocol was implemented, which is the basis for presented energy-efficient devices. Data exchange process during...

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Rok 2001

Rok 2004

Rok 2005

Rok 2015

Rok 2009

Rok 2016

Rok 2021

Rok 2022

  • Low-Profile Interdigitated UHF RFID Tag Antenna for Metallic Objects
    Publikacja
    • F. Erman
    • D. Mansour
    • M. Kouali
    • A. Shabaneh
    • L. Leifsson
    • S. Kozieł
    • E. Hanafi

    - IEEE Access - Rok 2022

    This article presents a novel miniature interdigitated ultra-high frequency (UHF) radio frequency identification (RFID) tag antenna that can be placed on metallic objects. The tag structure comprises two horizontal strip lines, each loaded with seven identical open stubs, and an integrated circuit (IC) chip connected directly to the feed lines in the middle of the structure. The perfect match to the IC chip’s impedance is realized...

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  • Low-Molecular Pyrazine-Based DNA Binders: Physicochemical and Antimicrobial Properties
    Publikacja

    - MOLECULES - Rok 2022

    Pyrazine and its derivatives are a large group of compounds that exhibit broad biological activity, the changes of which can be easily detected by a substituent effect or a change in the functional group. The present studies combined theoretical research with the density functional theory (DFT) approach (B3LYP/6-311+G**) and experimental (potentiometric and spectrophotometric) analysis for a thorough understanding of the structure...

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  • Low-Loss Mechanically Tunable Resonator and Phase Shifters in Groove Gap Waveguide Technology

    This research is focused on the design and realization of high-performance high-power variable phase shifters in groove gap waveguide technology. Specifically, it is shown that the unique characteristic of groove gap waveguides, which is its proper operation without the need for electrical connection between the top and bottom sections of the waveguide, can be used to design mechanically tunable devices. Using the proposed method,...

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Rok 2020

Rok 2002

Rok 2013

  • Low-Level Music Feature Vectors Embedded as Watermarks

    In this paper a method consisting in embedding low-level music feature vectors as watermarks into a musical signal is proposed. First, a review of some recent watermarking techniques and the main goals of development of digital watermarking research are provided. Then, a short overview of parameterization employed in the area of Music Information Retrieval is given. A methodology of non-blind watermarking applied to music-content...

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Rok 2017

Rok 2023

  • Low-frequency noise in ZrS3 van der Waals semiconductor nanoribbons
    Publikacja
    • A. Rehman
    • G. Cywiński
    • W. Knap
    • J. Smulko
    • A. Balandin
    • S. Rumyantsev

    - APPLIED PHYSICS LETTERS - Rok 2023

    We report the results of the investigation of low-frequency electronic noise in ZrS3 van der Waals semiconductor nanoribbons. The test structures were of the back-gated field-effect-transistor type with a normally off n-channel and an on-to-off ratio of up to four orders of magnitude. The current–voltage transfer characteristics revealed significant hysteresis owing to the presence of deep levels. The noise in ZrS3 nanoribbons...

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  • Low-frequency noise in Au-decorated graphene–Si Schottky barrier diode at selected ambient gases
    Publikacja
    • J. Smulko
    • K. Drozdowska
    • A. Rehman
    • T. Welearegay
    • L. Österlund
    • S. Rumyantsev
    • G. Cywiński
    • B. Stonio
    • A. Krajewska
    • M. Filipiak
    • P. Sai

    - APPLIED PHYSICS LETTERS - Rok 2023

    We report results of the current–voltage characteristics and low-frequency noise in Au nanoparticle (AuNP)-decorated graphene–Si Schottky barrier diodes. Measurements were conducted in ambient air with addition of either of two organic vapors, tetrahydrofuran [(CH2)4O; THF] and chloroform (CHCl3), as also during yellow light illumination (592nm), close to the measured particle plasmon polariton frequency of the Au nanoparticle...

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