Bibliografías temáticas / Radio equipment

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Artículos de revistas

Literatura académica sobre el tema "Radio equipment"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 29 de julio de 2024

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Artículos de revistas sobre el tema "Radio equipment"

DeMott, Kathryn. "Radio ID Devices Zap Equipment." Caring for the Ages 9, no. 7 (2008): 4. http://dx.doi.org/10.1016/s1526-4114(08)60177-8.

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Xue, Jun, Jian Hua Zou, Yong Liang Zhang, and Xin Bing Fang. "Design and Implementation of Radio Spreading-Sequences Beacon Based on Quadrature Frequency-Conversion." Advanced Materials Research 605-607 (December 2012): 1984–88. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1984.

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Radio beacon is required for dynamic self-test of vessel carrier's radio measuring and controlling equipment. Also it is required to process angle-adjusting of the equipment. The paper proposes a kind of method to design beacon based on quadrature frequency-conversion technology. The parameters of the beacon can been set flexibly through MCU control. Sidebands and local oscillator’s leakage are suppressed in circuit implementation. The beacon works reliable and its performance meets requirements. Real application shows fair result. The beacon supports technically naval adjustment of vessel carrier's radio measuring and controlling equipments.

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Gordyaskina, Tatyana V., and Lyudmila S. Grosheva. "THE SHIP'S RECEIVING AND TRANSMITTING EQUIPMENT ELEMENTS RESEARCH BASED ON THE TMS320C5510 SIGNAL PROCESSOR." Russian Journal of Water Transport, no. 63 (June 1, 2020): 40–47. http://dx.doi.org/10.37890/jwt.vi63.74.

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Ship's radio equipment, produced on a modern digital basis, is used as equipment for the global Maritime disaster communication system( GMDSS), vehicle traffic control systems and dangerous proximity warnings, radar and radio navigation systems. The article presents the synthesis and research method concerning the principles of functioning the professional activity objects in relation to specialists in transport radio equipment technical operation related to the example of radio receiving and transmitting devices (GMDSS )equipment block based on the digital signal processor TMS320C5510. In the mastering the technique process, students of the «Transport radio equipment technical operation», specialty master professional competencies, get theoretical and practical skills of synthesis, technical diagnostics and ship radio equipment maintenance .

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Popa, Robert. "Electromagnetic Susceptibility Measurement of Military Radio Electronic Equipment." Journal of Military Technology 3, no. 1 (2020): 17–22. http://dx.doi.org/10.32754/jmt.2020.1.03.

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Whereas the EMC of a piece of equipment represents a requirement which must be fulfilled according to the applicable EMC standards, in order not to disturb the functionality of other devices, the EMS of that equipment has the same importance, since its prime purpose is to perform and to achieve the scope for which it was designated. Thus, the measurement of the equipment’s EMS became an important aspect to be considered by any manufacturer, because, on the opposite side, any buyer will be very focused to check, before buying, the compliance of equipment with the Standards provisions on EMS matter. This article provides a synthetic updated overview of the main aspects related with the EMS test conditions, test methods and results interpretation, from the Military Standards prospective.

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Tiridatov, Sergey Aleksandrovich, Vasiliy Aleksandrovich Mokhov, and Anastasiya Sergeyevna Kobylnichenko. "ABOUT EQUIPMENT OF RADIO CONTROL MODELS." Economy. Business. Computer science, no. 3 (January 1, 2016): 1–7. http://dx.doi.org/10.19075/2500-2074-2016-3-1-7.

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Green, L. B. "Electromagnetic compatibility of radio telecommunications equipment." IEE Proceedings - Science, Measurement and Technology 141, no. 4 (1994): 244. http://dx.doi.org/10.1049/ip-smt:19941143.

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Vasylieva, Olena, Yurii Pavlenko, and Valeriy Ogar. "Calibration complex of radio measuring equipment." Ukrainian Metrological Journal, no. 2 (June 25, 2024): 10–17. http://dx.doi.org/10.24027/2306-7039.2.2024.307137.

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Modern trends in the development of radio measuring equipment require improvement of the principles of metrological support of these devices and corresponding reference base. The new approach is based on the digitalisation of equipment, programming of measurement procedures, and the transition from single measurement standards to measurement complexes. The paper describes the complex developed at the NSC “Institute of Metrology” and designed for verification and calibration of a wide range of radio measuring equipment, where all these approaches are realised, presents methodological, software and hardware features of its construction, as well as the advantages and possibilities of this approach in metrological practice. On the example of the method of “Bessel Function Zeros”, which was somewhat forgotten due to the cumbersome nature of its implementation by analogue methods and equipment, it is shown that with the new approach this method gets a “second birth”, moreover, at a higher metrological level. It is shown that the use of direct digital synthesis oscillators can significantly improve the “electronic counting frequency meter” method, in particular, prevent the phenomenon of “frequency capture”, which limited the capabilities of the method and introduced additional measurement uncertainty. Moreover, the additional properties of the complex associated with the use of the R&S FSL spectrum analyser with the K7 analogue signal demodulator option are explained in more detail. A list of other methods realised in the complex is given, among which the “combination frequencies” method, deserves a special attention, providing the highest resolution in measuring nonlinear distortions of both quasi-harmonic and modulated signals. It is shown that the complex is a flexible apparatus, the work programme of which can be adjusted and supplemented. Information on the structure of the complex, hardware solution of a number of nodes, programming language, etc. is given.

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Solomentse, Oleksandr, Tetyana Herasymenko, Olena Kozhokhina, Yuliia Petrova, and Maksym Zaliskyi. "EFFICIENCY OF OPERATIONAL DATA PROCESSING FOR RADIO ELECTRONIC EQUIPMENT." Aviation 23, no. 3 (2020): 71–77. http://dx.doi.org/10.3846/aviation.2019.11849.

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The paper deals with the statistical data processing algorithms in operation system of radio electronic equipment. The main purpose is analysis of data processing algorithm efficiency according to the analytical calculations and simulation results. During radio electronic equipment operation failures are possible. These failures affect on the equipment’s technical condition that can deteriorate. In case of condition-based maintenance, it is necessary to detect the time moment of deterioration beginning. Therefore, in this paper the deterioration detection algorithm was developed according to Neyman-Pearson criterion with a fixed sample size. The initial data are times between failures of radio electronic equipment, and these data can be identified by the exponential probability density function. The step-function model was chosen for failure rate change description. To estimate efficiency the operating characteristic was calculated. The simulation based on Monte-Carlo method confirmed the correctness of theoretical calculations.

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Ivanyushkin, Roman Yu, and Albert Waal. "THE COMPUTER MODELING OF CLASS -D AND -DE SWITCHING-MODE POWER AMPLIFIERS FOR VHF DIGITAL RADIO BROADCAST EQUIPMENT." SYNCHROINFO JOURNAL 9, no. 4 (2023): 21–25. http://dx.doi.org/10.36724/2664-066x-2023-9-4-21-25.

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Currently the transition to digital VHF radio broadcasting is being discussed more and more in different countries, which requires the design of new radio broadcast equipment devices. In classical method of amplifying the power of complex radio signals with a variable envelope, the new broadcast equipment will lose significantly to the existing broadcast equipment with frequency-modulated signal in many energy parameters. The most the promising ways to build high-efficiency broadcast equipment devices of complex radio signals with amplitude-phase modulation and high peak-factor are synthetic methods of linear amplification of radio frequency power (for example, basing on the scheme of L. Kahn) by using high-efficiency switching-mode circuits of powerful amplification. The present state of development of powerful radio-frequency transistors allows to assume that in the near future in the VHF-band switching-mode power amplifiers of Class -D and -F, which will be suitable for building digital radio broadcast equipment with the polar architecture of L. Kahn, will be everywhere used. These switching-mode amplifiers, in contrast to higher-frequency Class-E circuits, supply more steady characteristics in the frequency band. But when developing such broadcast equipment, it is also reasonable to deal with modified switching-mode power amplifiers of the Class -DE and -FE. The article deals with the questions of the computer modeling of switching- mode power amplifiers of Class -D and -DE in relation to the design of VHF radio broadcast equipment.

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Bogucki, Jan, and Ewa Wielowieyska. "Reliability of line-of-sight radio-relay systems." Journal of Telecommunications and Information Technology, no. 1 (March 30, 2006): 87–92. http://dx.doi.org/10.26636/jtit.2006.1.352.

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The modern radio transmission systems are specifically designed for catching principally two main objectives: on one side to provide a radio solution for long distance where large configurations are required to fulfill the high capacity transmissions needs, on the other side to guarantee link quality as high as possible. The availability of a radio-relay system is dependent upon many factors and particularly upon: the reliability of equipment and propagation conditions. The article describes the wave propagation and equipment that determine the performance of a radio-relay path. National Institute of Telecommunications (NIT) carried out research on propagation phenomena on terrestrial path and exemplary results are described herewith. The availability of radio equipment based on the mean time between failures for equipment modules is presented too.

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