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147 research outcomes, page 1 of 15
  • publication . Article . 2018
    Open Access
    Authors:
    V. V. Nikitin; A. D. Frantsuzov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p>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 sch...

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

    <jats:p>In multilateration systems, Bancroft algorithm is often used to estimate the location of objects. This algorithm is synthesized for satellite navigation systems. The algorithm allows to obtain the location estimation by means of direct method and does not requir...

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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"

    <jats:p><jats:underline>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 li...

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

    <jats:p><jats:underline>The article deals with the study of quasi-optimal TOA discriminator of an onboard echo-signal tracker of the altimeter carried by a space vehicle. In modern space-based altimeters, final data processing is imposed on the ground-based center recei...

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  • publication . Article . 2018
    Open Access
    Authors:
    G. A. Rudakov; R. Z. Khafizov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Mechanical  properties of MEMS devices  are specified  by their structure and  process  parameters, such as temperature, films thickness, deposition conditions, etc. These features, in particular,  the deposition temperature and post deposition treatments, determine the...

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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"

    <jats:p>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...

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  • publication . Article . 2020
    Open Access Russian
    Authors:
    M. T. Magrupova; Yo. T. Talatov;
    Persistent Identifiers
    Publisher: Saint Petersburg Electrotechnical University "LETI"

    <jats:p><jats:bold>Introduction.</jats:bold> Cardiovascular disease occupies an important place throughout the world, which necessitates the development of more effective modern means of diagnosis and treatment. The primary diagnosis of heart disease is based on analysi...

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  • publication . Article . 2020
    Open Access
    Authors:
    A. V. Dunaev;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. Violations of the microcirculatory-tissue systems of the human body play a key role in the pathogenesis of various diseases complications. However, there are a few unresolved methodological and instrumental problems with non-invasive monitoring of microcir...

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  • publication . Article . 2018
    Open Access
    Authors:
    L. S. Mettus; V. N. Mikhailov; A. B. Khachaturian;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p>The article is devoted to the pattern propagation factor of the Earth enabling for more precise determination of the radar station visibility range in case there are reflections from underlying surface. The article provides analytical solution in general form ta...

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  • publication . Article . 2018
    Open Access
    Authors:
    Yu. F. Golovnev; D. A. Nurguleev;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    <jats:p><jats:underline>The basis of spin filter operation is the possibility to obtain different population of states with spins up and down for free electrons. However, in a magnetic macroscopic field, scattering by heavy atoms reduces their population density by 106 ...

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147 research outcomes, page 1 of 15