?
Анализ влияния ошибки юстировки анализатора дифференциального фазового поляриметра на параметры информативного сигнала
Автометрия. 2024. Т. 60. № 5. С. 77–83.
The purpose of this work is to improve the accuracy of measurements of the optical rotation angle (ORA) by analyzing the effect of the adjustment error of the differential phase polarimeter analyzer. The paper presents a scheme of a differential phase polarimeter used for the study of optically active substances. To analyze the effect of the alignment error of the rotating analyzer on the ORA measurements results, mathematical modeling of the process of forming an informative signal in the presence of a deviation from the perpendicular plane of the analyzer relative to the axis of radiation propagation is applied. The results of the study of the influence of the adjustment error on the accuracy of restoring the phase difference of two harmonic signals are presented. The results obtained make it possible to develop requirements for the adjustment of the elements of the differential phase polarimeter to increase the accuracy of the ORA measurements.
Language:
Russian
Stepanyants V., Andrey V. Fizulin, Chibirov A. et al., FUTURE TRANSPORTATION 2026 Vol. 6 No. 5 Article 225
Reliable Vehicle-to-Everything (V2X) evaluation requires propagation models that represent terrain and multilevel infrastructure. Most integrated vehicular simulators still rely on planar models, but the magnitude of the resulting bias is unclear. This study quantitatively compares flattened two-dimensional (2D) and terrain-aware three-dimensional (3D) variants of three scenarios using identical Sionna RT settings. The pipeline combines OpenStreetMap ...
Added: October 8, 2026
Ozhegov R., Махлуф М., Goltsman G. et al., Инженерная физика 2026 № 8 С. 27–39
This paper investigates the theoretical limits of object detection within isotropic scattering media using single-photon lidar. Within a simplified model, we derive the fundamental relationship between the maximum attainable detection range and the required photon count per pulse. Two distinct limiting regimes are analyzed: the ballistic photon regime, which maintains high spatial resolution but necessitates ...
Added: October 8, 2026
Merzlinkin V., Khmelev A. V., Севрюков Д. О. et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2025 No. 3 P. 205–209
Laser communication using satellites represents a promising avenue for data transmission in geographically distant areas without advanced infrastructure. This approach is characterized by its high transmission rate and low power requirements, providing substantial benefits over optical fiber and radio communication. However, the optical channel should exhibit greater transparency for light transmission, resulting in a severely restricted application of this technique for information ...
Added: October 5, 2026
Дуплинский А. В., Khmelev A. V., Бахшалиев Р. М. et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2026 Vol. 17 No. 3 P. 88–92
Quantum key distribution via satellites enables the technology to be applied attranscontinental scale; nevertheless, in contrast to fiber systems, using a free-space opticalcommunication channel presents certain extra technological obstacles. The contribution of theacquisition, pointing and tracking system’s operation to the potential quantum bit error valueis investigated in this research. The polarization extinction ratio measurements varying ...
Added: October 5, 2026
Miller A., Pismeniuk L., Дуплинский А. В. et al., EPJ QUANTUM TECHNOLOGY 2023 Vol. 10 No. 1 P. 52–72
A satellite-constellation based global quantum network could allow secure quantum
communication between remote users worldwide. Such a constellation could be
formed of micro- or even nanosatellites, which have the advantage of being more
cost-effective than larger expensive spacecrafts. At the same time, the features of
quantum communication impose a number of technical requirements that are more
difficult to meet when ...
Added: October 5, 2026
Серебренников Д. А., Belov A. V., Информационные технологии и вычислительные системы 2026 № 3 С. 157–169
В условиях роста стоимости энергоресурсов и необходимости повышения энергоэффективности производственных процессов особую актуальность приобретает задача оптимизации энергопотребления промышленных предприятий. В данной работе рассматривается подход к управлению энергозатратами машиностроительного предприятия на основе методов многокритериальной оптимизации. Постановка задачи включает несколько целевых функций: минимизацию энергопотребления, минимизацию стоимости электроэнергии с учётом тарифных ограничений и максимизацию производственной эффективности. Для решения ...
Added: October 5, 2026
Korobok M., Хлыстунов М. Е., Шемолин И. С., Известия высших учебных заведений. Электроника 2026 Т. 31 № S4.3 С. 473–486
The paper considers the task of implementing the control law for mass-produced power supplies based on an LLC converter. The aim of the study is to create a control law that allows meeting the requirements for the stability of the converter at various parameters of the resonant circuit and the output filter.
For the feedback of ...
Added: October 4, 2026
Le M. T., Шукуров И. С., Курск: Закрытое акционерное общество "Университетская книга", 2026.
This monograph studies the thermal characteristics of urban habitats and analyzes the impact of urban morphology on the emergence of urban heat island effects (UHI), particularly in the context of high-density urban development, modern high-rise buildings and related sanitary standards. It presents comprehensive findings from theoretical and empirical research focused on minimizing the urban heat ...
Added: September 30, 2026
Stukach O., Ершов И. А., Динамика систем, механизмов и машин 2025 Т. 13 № 3 С. 82–87
The growing complexity of modern urban infrastructure increased demands on the efficiency of heat supply, which must be ensured by the sustainable and efficient operation of supply organizations. Decrease in thermal comfort, or overspending of thermal energy is followed by bad quality of control. Systemically, the heat consumption of residential buildings on a city range ...
Added: September 30, 2026
СПб.: ВКАС им. Буденного, 2026.
В сборнике представлены статьи о результатах научных исследований и инновационных технических, технологических и методологических решений в области совершенствованию отечественных систем связи, автоматизации и информационной безопасности. ...
Added: September 23, 2026
Starodubov K., Елистратов А. А., Громов Ю. Ю. et al., ИД Академии Жуковского, 2026.
The textbook is intended for preparing and completing practical assignments on biometric identification and the protection of biometric data. The theoretical part briefly presents the information required for the practical work: basic concepts and quality metrics, voice and facial modalities, regulatory framework and the Unified Biometric System, the mathematical foundations of template protection, and the ...
Added: September 19, 2026
Дюканов П. А., Kozhukhov M., Popov D. et al., Электронная техника. Серия 3: Микроэлектроника 2026 Т. 201 № 1 С. 28–34
The paper presents the results of device and process modeling of bipolar transistors on a silicon - silicon oxide - silicon structure. A comparison of the output characteristics of the models and transistor samples showed the high accuracy of the developed model. To improve the performance of eld-e ect transistors with a control p-n-junction, design ...
Added: September 17, 2026
Кузнецов М. Е., Полякова М., Лукьянович В. et al., ФАНУ "Востокгосплан", 2026.
Обзор международных практик развития робототехники и искусственного интеллекта и оценка возможностей их применения в условиях России, в первую очередь для Дальнего Востока и Арктической зоны РФ ...
Added: September 16, 2026
Starodubov K., Кривоногов А. А., Плоткин А. С. et al., Нано-био-технологии. Тепло- и электроэнергетика. Математическое моделирование: сборник статей III международной научно-практической конференции (Липецкий государственный технический университет, Липецк, Россия) 2025 С. 300–309
The paper considers the problem of assessing the criticality of defects in smart contracts, defines the constituent parameters of criticality of defects and substantiates their representation in the form of LR-type fuzzy numbers. An approach based on the use of LR-type fuzzy numbers and nonlinear optimization methods is proposed to assess the criticality of defects ...
Added: September 7, 2026
Starodubov K., Гвасалия Г. В., Карасев П. И., Нано-био-технологии. Тепло- и электроэнергетика. Математическое моделирование: сборник статей III международной научно-практической конференции (Липецкий государственный технический университет, Липецк, Россия) 2025 С. 219–223
This paper discusses the concept of neural networks, convolutional neural networks, their architecture and their operation principle. The main attention is paid to testing the reliability of storing images of people as embeddings, which are considered to be unrecoverable in the original image. In the course of the research an experiment is carried out: the ...
Added: September 6, 2026
Шейкин В. В., Starodubov K., Карасев П. И., XXI век: итоги прошлого и проблемы настоящего плюс 2026 Т. 15 № 2(74) С. 20–25
The paper addresses the problem of formalized description of intruder behavior in government information systems. An approach based on hidden Markov models is proposed for modeling the actions of an intruder, where the stages of malicious activity are interpreted as hidden states and the events registered by the system are treated as observable symbols of ...
Added: September 6, 2026
Duplinsky A., Khmelev A., Bakhshaliev R. et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2024 Vol. 17 No. 3 P. 88 – 92
Added: May 13, 2025
Vishnyakov G., Yurin A., Golopolosov A. et al., Optics and Laser Technology 2024 Vol. 169 Article 109976
Added: September 15, 2023
Вишняков Г. Н., Yurin A., Minaev V. et al., Известия высших учебных заведений. Прикладная нелинейная динамика 2023 Т. 31 № 4 С. 408–420
The purpose of this work is to analyze the effect of the polarimeter signal processing algorithm on the results of measurements of the optical rotation angle of the polarization plane to improve the accuracy of measurements in differential polarimetry. Methods. The paper considers the methods of polarimetry used for the analysis of optically active substances, ...
Added: July 31, 2023
Merzlinkin V., Khmelev A., Duplinsky AV et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2022 Vol. 15 No. 3.3 P. 202–206
Quantum communication is a transmission technology that allows legitimate users to share a secret key. The BB84 protocol employs four linear polarization states for encoding in our quantum key distribution system. However, the optical elements affect the polarization features of quantum state, which leads to errors in decoded key. To reduce mistakes and increase device ...
Added: May 11, 2023
Duplinsky AV, Khmelev A., Merzlinkin V. et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2022 Vol. 15 No. 3.2 P. 61–64
Quantum key distribution (QKD) in a space-Earth communication link is a difficult technical task. Aside from precise mutual pointing of the optical axes during the satellite QKD session, the polarization reference frame coincidence of the satellite and the receiving station is also required. Satellite motion causes a rotation of the polarization reference frame in respect ...
Added: December 19, 2022