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74 research outcomes, page 1 of 8
  • publication . Article . 2018
    Open Access Russian
    Authors:
    V. V. Nikitin; A. D. Frantsuzov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    The problem of linear antenna construction synthesize is first formulated and solved. Linear antenna consists of antenna array (AR) and power divider (PD). Linear omnidirectional AR with cosecant pattern is synthesized using partial-beam method. Beam-forming scheme for ...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    A. A. Bludov; G. A. Gorbatovskij; V. S. Pavlov; A. F. Suvorov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    The article proposes a solution of a problem of polarization error compensation for radar object direction finding by means of conical scan method. The solution is considered at signal processing level that makes possible to avoid polarization limitations in antennas en...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    Ivan S. Pesterev; Boris G. Stepanov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    The results of experimental research of models of antennas hydroacoustic system (HAS), containing transducers of the waveguide type (TWT), which represent a coaxial set of identical water-filled piezocylinders, electrically excited by the principle of a traveling wave f...

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  • publication . Article . 2018
    Open Access Russian
    Authors:
    O. V. Kuharskaya; E. Z. Savin;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    The article is aimed at specifying criteria of synchronization signal inaccuracy when DVB-T2 system local content re-placement cannot be carried out. Some settings of digital information stream are set as the initial data. The first part of the article specifies network...

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  • publication . Article . 2020
    Open Access Russian
    Authors:
    Nikitin, Aleksei A.; Ustinov, A. B.; Nikitin, Andrey A.; Lähderanta, Erkki; Kalinikos, Boris A.;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. The distinctive feature of a coplanar transmission line with thin ferrite and ferroelectric films is the absence of undesirable irregularities in dispersion for relatively low frequencies when the wavelength approaches the thickness of ferroelectric layer,...

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  • publication . Article . 2019
    Open Access Russian
    Authors:
    L. A. Aronov; V. N. Ushakov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. Among acousto-optic spectrum analyzers with spatial integration, schemes based on optical interferometers provide the largest dynamic range. Nevertheless, they form the signal amplitude spectrum on a certain spatial carrier. Formation of quadrature compone...

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  • publication . Article . 2020
    Open Access Russian
    Authors:
    Baranov, Aleksander V.;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. Coupled two- or three-wire microstrip lines are often used to reduce a phase noise of voltage-controlled oscillators (VCOs). Unfortunately, the phase noise was not optimized depending on the lengths of a three-wire coupled microstrip lines. Aim. For the th...

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  • publication . Article . 2019
    Open Access Russian
    Authors:
    Alexander Maltsev; Valentin Seleznev; Alexander S. Rulkov; Olesya Bolkhovskaya;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. Currently, one of the most promising approaches of the 5th generation mobile wireless systems development is the deployment of heterogeneous networks based on existing LTE cellular systems with large and small cells. The main elements of such networks can ...

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  • publication . Article . 2019
    Open Access Russian
    Authors:
    Dmitry Lukyanov; Alexander M. Boronakhin; Sergey Shevchenko; Mariya A. Khivrich; Temurmalik A. Amirov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. Diagnostic systems are designed to monitor the condition of operational components (for example, on the railway). It is imperative that micro-electromechanical systems (MEMS) equipped with acceleration sensors (accelerometers) be used as part of measuring ...

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  • publication . Article . 2019
    Open Access Russian
    Authors:
    Ivanov, Viktor E.; En Un, Chye;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    Introduction. In modern experimental technology, the direction associated with the development of information-measuring systems for recording, pre-processing and analyzing excess low-frequency noise (flicker noise) is well known. Currently, such measuring systems are ma...

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74 research outcomes, page 1 of 8