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148 research outcomes, page 4 of 15
  • publication . Article . 2018
    Open Access Russian
    Authors:
    A. V. Donchenko; Gennadiy F. Zargano; V. V. Zemlyakov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    <jats:p><jats:underline>The algorithm for calculating electrodynamic characteristics of hybrid types of waves propagating in double ridged waveguide with piecewise-layered dielectric filling is presented. The double ridged waveguide structure with dielectric plates inst...

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  • publication . Article . 2018
    Open Access
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p>Perfect knowledge of dielectric parameters is necessary for its application in various devices. In spite of the whole range of measurement techniques, their practical implementation in the microwave frequency band runs into some difficulties. This article descri...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    I. V. Gogolev;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    <jats:p>Narrowband approximation of Doppler effect by a frequency shift is inappropriate for some problems of radiolocation, hydro acoustics or passive location. In this case it is necessary to use Doppler stretch (time-scaling) as a signal parameter. Statistical perfor...

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  • publication . Article . 2018
    Open Access
    Authors:
    S. S. Sokolov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p>The method for determining the optimal duration of monitoring interval of non-stationary Poisson failure rate of radio-electronic equipment (REE) for a wide range of stationary processes, modulating it by intensity. To know the optimal du-ration of monitoring in...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    Konstantin E. Abbakumov; Nikolay V. Stepanenko;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    <jats:p>The purpose of the paper is to study the wave propagation in a two-layer pipe, taking into account the rigidity of the contact between its layers. It is considered by solving the equation of motion for the vector and scalar potentials. A dispersion equation desc...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    K. V. Rogozhin; V. A. Ivanov; D. S. Sidorenko;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    An important task in designing  microwave industrial plants  is to determine actual power  going into a process  reactor.  A part  of magnetron power  reflects  from  the  microwave reactor  into  generator due  to  the  processed  material property changes. It results ...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    Dang Quang Hieu; Nguyen Xuan Truong;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    <jats:p>The article presents the basic principles of design and development of integrated middle range Coastal Surveillance System (CSS) used for water surface lookout. It provides solutions for such missions as command and control of maritime forces, border monitoring ...

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  • publication . Article . 2018
    Open Access
    Authors:
    Н. B. Мухин;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p><jats:underline>An experimental and theoretical study of the formation processes of "impurity" phase inclusions in ferroelectric oxides is carried out via example of polycrystalline lead zirconate-titanate (PZT) films. A feature of these compositions is relative...

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  • publication . Article . 2018
    Open Access
    Authors:
    Maksim S. Grebenev; Alexander V. Kondrashov; Vadim V. Perepelovsky;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p>In this paper, the method of binary data transmission and receiving is first suggested and experimentally investigated. The method uses dynamical chaos as a source of multiple carrier frequencies. On the server side, the transmitter configures informational sign...

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  • publication . Article . Other literature type . 2018
    Open Access
    Authors:
    I. V. Bystrova; B. P. Podkopaev;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p><jats:underline>The problem of functional diagnosis of digital devices forming a network of state automata is considered. This task for the network components is supposed to be solved, and the corresponding diagnostic devices for them are provided. The possibili...

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148 research outcomes, page 4 of 15