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Name
Electronics and Communications
Type
Journal
Items
175 Publications
Compatibility
collected from a compatible aggregator
OAI-PMH
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  • New possibilities of audiometry on the basis of the formula for parameter of norm of the middle ear

    Naida, Serhii Anatoiiovych; Zubchenko, O. O. (2012)
    Possibilities of measurement of hearing of the person by acoustical methods on the basis of the formula for parameter of norm of a middle ear which connects among themselves a resonant frequency of mechanical oscillatory system, acoustical flexibility of an eardrum (equivalent volume), an active component of an impedance and physical volume of a drum-type cavity are observed. At between subject deviations of separate parameters of an ear of the person in norm they are that that the norm param...

    The power factor and efficiency of the three-phase power systems with linear asymmetric load

    Артеменко, Михайло Юхимович; Костюк, Роман Юрійович (2016)
    This work analyses the influence of the asymmetry of the three-phase circuit linear load and the power loss in the neutral wire of four-wire power supply system on the power factor and the efficiency. The new formula of the approximate dependence of the three-phase system from the power factor, which can be used for the valuation of the improvement of the energy characteristics of the electrical power system provided by the reactive compensator or the active filter. The identity of the taken ...

    Adaptation of the matched reception of a signal to parametres of moderately dispersion transmission environment

    Калюжный, Александр Яковлевич (2015)
    Adaptation method for matched processing of an acoustic signal to the transmission environment characteristics is offered. The method is based on additional averaging of signal parameters on frequency. The method is applicable in the conditions of moderately dispersible environment when changes of some parameters of a signal in narrow frequency bands can be neglected. Based on the specified method the algorithm for matched signal processing, which is invariant to intensity parameters of modal...

    ПЕРЕТВОРЮВАЧ ПЕРЕМІЩЕНЬ З ВИКОРИСТАННЯМ ФАЗОВИХ НАБІГАНЬ ЕЛЕКТРИЧНОГО ПОЛЯ ПОВЕРХНЕВИХ АКУСТИЧНИХ ХВИЛЬ

    Zhovnir, Mykola Fedorovych (2017)
    Предложен и теоретически обоснован метод однозначного измерения перемещений с использованием фазовых набегов на поверхности пьезоэлектрического звукопровода электрического поля нескольких поверхностных акустических волн (ПАВ), принимаемых подвижным ПАВ-приемником.Приведена оценка потенциальных метрологических параметров 3-х частотного преобразователя линейных перемещений в диапазоне до 100 мм с формированием точной, промежуточной и грубой измерительных шкал.Результаты испытаний макета преобра...

    РОЗРАХУНОК ФІЛЬТРО-КОМПЕНСУЮЧОГО ПЕРЕТВОРЮВАЧА З ЗАРЯДОМ АКУМУЛЯТОРА ЗА СЕРЕДНІМИ ЗНАЧЕННЯМИ СТРУМУ ТА НАПРУГ

    Mykolaiets, Dmytro Anatoliiovych; Zhuikov, Valerii Yakovich (2017)
    The processes in a single-phase parallel type active power line conditioner with a DC battery charge are analyzed. The consistent use of the active power line conditioner with the energy storage provides both electromagnetic compatibility and uninterrupted power, so the issue of constructing this type of compensator as a system of guaranteed power is an urgent task. The purpose of this device is the formation of a sinusoidal current consumption, in-phase with the network voltage, while simult...
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