Wyniki wyszukiwania dla: frequency-dependent couplings (fdc) - MOST Wiedzy

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Wyniki wyszukiwania dla: frequency-dependent couplings (fdc)

Wyniki wyszukiwania dla: frequency-dependent couplings (fdc)

  • Fluctuation-enhanced and conductometric gas sensing with nanocrystalline NiO thin films: A comparison

    Publikacja
    • U. Cindemir
    • M. Trawka
    • J. Smulko
    • C. Granqvist
    • L. Österlund
    • G. Niklasson

    - SENSORS AND ACTUATORS B-CHEMICAL - Rok 2017

    Nanocrystalline thin films of NiO were prepared by advanced reactive gas deposition, and their responses to formaldehyde, ethanol and methane gases were studied via fluctuation-enhanced and conductometric methods Thin films with thicknesses in the 200–1700-nm range were investigated in as-deposited form and after annealing at 400 and 500 °C. Morphological and structural analyses showed porous deposits with NiO nanocrystals having...

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  • Behavioral state classification in epileptic brain using intracranial electrophysiology

    Publikacja
    • V. Kremen
    • J. J. Duque
    • B. Brinkmann
    • B. M. Berry
    • M. T. Kucewicz
    • F. Khadjevand
    • J. Van Gompel
    • M. Stead
    • E. K. ST.Louis
    • G. A. Worrell

    - Journal of Neural Engineering - Rok 2017

    OBJECTIVE: Automated behavioral state classification can benefit next generation implantable epilepsy devices. In this study we explored the feasibility of automated awake (AW) and slow wave sleep (SWS) classification using wide bandwidth intracranial EEG (iEEG) in patients undergoing evaluation for epilepsy surgery. APPROACH: Data from seven patients (age [Formula: see text], 4 women) who underwent intracranial depth electrode...

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  • Forced vibrations in a dynamic system that is damped by a mechanism that trans-pass through its singular position

    Publikacja

    - Rok 2017

    In the paper, vibrations of a hybrid multibody-continuous system are investigated. For all the mechanical devices, effective damping methods are crucial in the design process. To obtain it, installation of viscous dampers or elasto-viscous elements is dominant. In the paper, an alternative method is investigated. It is based on modal disparity. To describe the method briefly, when structural damping is present in continuous systems,...

  • A quasi-2D small-signal MOSFET model - main results

    Dynamic properties of the MOS transistor under small-signal excitation are determined by kinetic parameters of the carriers injected into the channel, i.e., the low-field mobility, velocity saturation, mobility at the quiescent-point (Q-point), longitudinal electric field in the channel, by dynamic properties of the channel, as well as by an electrical coupling between the perturbed carrier concentration in the channel and the...

  • Hyperelastic Microcantilever AFM: Efficient Detection Mechanism Based on Principal Parametric Resonance

    Publikacja
    • A. Alibakhshi
    • S. Rahmanian
    • S. Dastjerdi
    • M. Malikan
    • K. Behrouz
    • B. Akgöz
    • Ö. Civalek

    - Nanomaterials - Rok 2022

    The impetus of writing this paper is to propose an efficient detection mechanism to scan the surface profile of a micro-sample using cantilever-based atomic force microscopy (AFM), operating in non-contact mode. In order to implement this scheme, the principal parametric resonance characteristics of the resonator are employed, benefiting from the bifurcation-based sensing mechanism. It is assumed that the microcantilever is made...

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  • Optimization-Based High-Frequency Circuit Miniaturization through Implicit and Explicit Constraint Handling: Recent Advances

    Publikacja

    - ENERGIES - Rok 2022

    Miniaturization trends in high-frequency electronics have led to accommodation challenges in the integration of the corresponding components. Size reduction thereof has become a practical necessity. At the same time, the increasing performance demands imposed on electronic systems remain in conflict with component miniaturization. On the practical side, the challenges related to handling design constraints are aggravated by the...

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  • Pollutant deposition via dew in urban and rural environment, Cracow, Poland

    Publikacja

    - ATMOSPHERIC RESEARCH - Rok 2015

    This study is a comparative analysis of dew in rural and urban environment. Dew samples were collected between May and October, 2009 in two reference stations in southern Poland: Cracow and Gaik-Brzezowa. The investigation included comparison of volume and chemistry of the collected samples. Due to its formation mechanisms, dew is a good indicator of air pollution. Following parameters were analyzed in 159 collected samples: pH,...

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  • Evaluation of Response Amplitude Operator of Ship Roll Motions Based on the Experiments in White Noise Waves

    Publikacja

    - Rok 2017

    Evaluation of the response amplitude operator (RAO) function for ship wave frequency motions by means of scale model tests in regular waves is a standard procedure conducted by hydrodynamic model testing institutions. The resulting RAO function allows for evaluating sufficiently reliable seakeeping predictions for low to moderate sea states. However, for standard hull forms, correct prediction of roll motion in irregular wave (and...

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