Radio Frequency Transistors
Familiarization with the concept of field-effect transistors. Laying out circuit boards and mounting RF devices. Classes of operation, forms of modulation, biasing, and operating in a pulse mode. The basic factors affecting low power amplifier design.
Подобные документы
Description wireless near field as trends in the development of applications for mobile devices. Features use of wireless communication for electronic payments, communication between the communication. Device communication and "smart" marketing posters.
статья, добавлен 27.09.2016Метод автоматической идентификации объектов, считывания или записывания данных посредством радиосигналов. Отличия RFID-метки от штрих-кода. Основные недостатки радиочастотной идентификации. Примеры использования технологии в разных областях экономики.
презентация, добавлен 25.12.2013Familiarization with the scheme of passive and active transducer with mode of preset voltage. Characterization electric models of capacitive sensors at alternating current. Analysis of electrophysical parameters monitoring of nonelectric products.
статья, добавлен 30.01.2016Development and justification of new methods for tracking the frequency of a harmonic acceleration signal based on estimates of the instantaneous frequency and phase. Ways to improve the efficiency of new systems, assess their advantages, disadvantages.
статья, добавлен 14.09.2016Improving the immunity of the radio system from spatial-concentrated interference by optimizing the spatial processing. The effectiveness of spatial processing in static, dynamic modes. The convergence rate of the adaptive weight vector setting.
статья, добавлен 30.10.2018Increasing the speed of information transmission in telecommunication systems. The study of signal distortion due to nonlinearities and types of dispersion. Using amplitude modulation to increase the speed of transmission in telecommunication networks.
статья, добавлен 27.07.2016Experience of introduction of the modern IEC 61850 standard shows that one of the most complicated things here is testing. The testing equipment set should include a special Ethernet-operating device that reads and generates GOOSE- and SV-messages.
статья, добавлен 23.06.2013A method that allows to largely overcome the diffraction limit, as well as noise and other interferences in radio imaging devices (including ground and space telescopes) of millimeter, terahertz and far infrared ranges of the electromagnetic radiation.
статья, добавлен 07.11.2018The path and loss - the dominant feature of the propagation environment. Operating frequency, antenna array size - one of the parameters, that plays a significant influence on overall system performance of the next generation wireless communications.
статья, добавлен 17.03.2022Mathematical modelling methods in the processes of the formation and transmission of the signals of avionic systems. Model of the modulation processes having different initial data. Implementation of the model using the modulation system Simulink.
статья, добавлен 26.06.2016The mathematical foundation of filtration technology of useful information from noises in the radiotechnical and radiocomputer systems on the basis of the stochastic modification of Gilbert-Huang transformation has been developed in the article.
статья, добавлен 27.07.2016Development of a system of digital wireless high-speed data transmission with orthogonal frequency division. Mathematical modeling and efficiency in the use of Fourier transform and finite Radon transform in a system with orthogonal frequency division.
статья, добавлен 26.06.2016In the study the possibilities of application of known methods for estimating the life to the task of forecasting the ultimate state of radio-electronic means of the surface-to-air missile system during the operation status of the requested technical.
статья, добавлен 21.03.2022A broadband coherent orthomode converter based on a coaxial four-ribbed waveguide for a frequency band of 3.4-5.4 GHz was developed. Each element of the design was separately optimized with CST Microwave Studio. Final modeling of characteristics.
статья, добавлен 29.09.2016Problems with Radio communication as a significant cause, a contributory factor in many aircraft accidents, serious incidents. Seven functions of language: instrumental, regulatory, representational, interactional, personal, heuristic, imaginative.
статья, добавлен 28.10.2020Performing Fourier transform by optical devices. Features of schemes of fundamental models of optical computing devices for constructing correlation characteristics and the creation of a correlation-extreme guidance systems and landing spacecraft.
статья, добавлен 08.03.2019The transmission line overload as the relevant problem for the distribution network of the Moscow Power System. Development of the device LOLA Institute ESP, use his logic to the microprocessor devices. Parameter calculations, the scope of LOLA.
статья, добавлен 23.06.2013- 43. Chebyshev filter
General immunity of radio, the passage of noise through the path of the device. Calculated the data transmission speed and the duration of single elements, bandwidth filters transmission and reception, the effective value of interference in the channel.
курсовая работа, добавлен 12.12.2014 Communication technologies for future implementation to a smart devices for home automation. Using the latest communication protocols, such as MQTT, CoAP or Websocket. Possibilities of the communication for a smart devices of the home automation system.
статья, добавлен 28.08.2020Electronic Chart Display and Information Systems. Improving the efficiency and responsiveness of radio communication to enhance the safety of navigation. Selective Calling controller. An analysis of the navigation environment while reducing the risk.
статья, добавлен 12.08.2016Analysis of the distribution of the electric field within the space bounded by the annular border on the basis of the theory of singular integral equations in problem of pairing. Formulas for determination of the electric field in the active zone.
статья, добавлен 29.07.2016Identification of asymptotic dependence of the impedances on frequency for very low frequencies and for very high frequencies, and explanation of this dependence physically. The proof of that a studied network works in a sinusoidal steady condition.
контрольная работа, добавлен 27.07.2012Three-phase rectifier with center tap. Non-symmetrical scheme of three-phase bridge rectifier, Larionov’s scheme. The review of constructive solutions. Principle of designed scheme operation. Calculation of rectifier working on active-inductive load.
курсовая работа, добавлен 07.01.2015Радио-сервис, основанный на пакетной коммутации, возможность постоянного GPRS соединения. Доступ в интернет из сотовых и локальных корпоративных сетей. General Packet Radio Service и стандарт ETSI - передача данных через GSM с высокой скоростью.
реферат, добавлен 24.01.2011The theoretical principles of mobile application design development are analyzed. The method of creating a design of a mobile application for people who lead an active lifestyle is proposed. The need to develop a detailed prototype of the final product.
статья, добавлен 06.06.2023