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167 research outcomes, page 2 of 17
  • publication . Article . 2020
    Open Access
    Authors:
    M. T. Magrupova; Yo. T. Talatov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. 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 analysis and processing of an electroc...

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  • publication . Article . 2019
    Open Access
    Authors:
    Leonid A. Aronov; Yurii S. Dobrolenskii; Victor N. Ushakov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. For a homodyne acousto-optic spectrum analyzer functioning a reference optical channel must be organized. The signal in this channel should provide uniform reference illumination throughout the spatial frequency range. In the general case, the spectrum ana...

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  • publication . Article . 2019
    Open Access
    Authors:
    Dimitre Tz. Dimitrov;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. Metal oxide semiconductor sensors have many advantages. But their working temperature is still high and their sensitivities are frequently low. In the current work, I present the results from investigation of sensing ability of new kind of potentiometric s...

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  • publication . Article . 2019
    Open Access
    Authors:
    Andrew A. Mosckalev; Ardi Rahman;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. Increasing demands of precise geometry measurements by science and industry cause the necessity of improvement in an associated branch of legal and practical metrology. One of the most significant fields is the measurement of internal dimensions and so the...

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  • publication . Article . 2019
    Open Access
    Authors:
    Zubov, Ilya G.;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. Modern systems for active vehicle safety are designed to significantly reduce the number of road accidents. Sensors based on monocular cameras are increasingly being introduced by the world's leading automakers as an effective tool for improving traffic sa...

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  • publication . Article . 2019
    Open Access
    Authors:
    N. A. Obukhova; A. A. Motyko; A. A. Pozdeev;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. The modern technologies of virtual chromoendoscopy provide significant increase of diagnostic value of images considered by a doctor. The analysis of existing technologies shows that the existing solutions have significant disadvantages. Some of them requi...

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  • publication . Article . 2019
    Open Access
    Authors:
    G. S. Nakhmanson; D. S. Akinshin;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. The primary functions of secondary processing of radar information are to detect and maintain the trajectories of air targets (AT). The AT trajectory detection can be characterised by the probability of detecting trajectory and average autocapture time. Wh...

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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 . 2019
    Open Access
    Authors:
    Krengel, Evgeny I.;
    Persistent Identifiers
    Publisher: St. Petersburg Electrotechnical University LETI

    Introduction. Perfect polyphase unimodular sequences, i. e. sequences with ideal periodic autocorrelation and single amplitude of symbols are widely used in modern radio communications and radar. A special place among them is occupied by perfect ternary sequences (PTSs)...

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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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167 research outcomes, page 2 of 17