Smart antenna application for satellite communication systems with space division multiple access
Two different beamforming approaches in space division multiple access for mobile satellite communications: switched-beam antennas and adaptive array antenna systems are considered. The hardware implementation of adaptive algorithm is considered as well.
Подобные документы
History of development of telecommunication systems and networks. The main objective of their development and application for various public purposes. Development of a remote workstation and the inclusion of disabled people in the sphere of production.
статья, добавлен 14.10.2013The concept and basics functional features of the electronic control systems, their internal structure and the relationship between elements. Of the practical application of these devices. The terminal characteristics of electronic control devices.
учебное пособие, добавлен 25.11.2013The mechanisms for the formation of zones of possible icing of aircraft during the flight are considered. The algorithm of radar detection of such zones, and the conditions for its use. Identification of the threat of icing during an aircraft flight.
статья, добавлен 14.09.2016An improvement for machine vision based tracking algorithm using NARX neural network. Prediction the next position of a mobile agent tracked by a miniature rotorcraft, a quadrotor. Optical noises. The agent is recognized by its color using HSV algorithm.
статья, добавлен 29.06.2017The 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 27.07.2016- 81. The development process and characteristics of the boundary of Hokkaido university Sapporo campus
Consideration of the development process of the boundaries of the Hokkaido University campus in Sapporo, associated with the development of the northern part of Sapporo city. The relationship between the university campus and the peripheral urban space.
статья, добавлен 07.10.2021 Increasing 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 27.07.2016Improving the accuracy and efficiency of the robotic system. Using machine learning to self-calibrate moving parts. Development of an algorithm for controlling the rotation angle of a stepper motor. Programming the installation control microcontroller.
статья, добавлен 19.03.2024Comparison of ship data obtained in the experiments NEWFOUEX-88 and ATLANTEX-90. Data of simultaneous measurements of the brightness temperature of the natural microwave radiation of the ocean and atmosphere obtained using an SSM / I scanning radiometer.
статья, добавлен 30.10.2018Brain-computer interfaces as an innovative technology enabling direct communication between the human brain and computing systems. The connection of this problem with important scientific and practical tasks. Ways to solve problems related to IMC.
статья, добавлен 25.11.2023Принципы построения системы передачи данных по электротехническим сетям, основанных на использовании технологии "Power line communications". Разработка решения задачи влияния импульсных помех на передачу данных путем расчета эффективности линии сигнала.
статья, добавлен 06.05.2018A direct digital frequency synthesizer in modern electronic devices. Criteria of reliability the communication systems. The most promising radio transmission system. Brief introduction of arithmetic operations in digital synthesizer radio signals.
статья, добавлен 26.03.2016Технология спектрального уплотнения Wavelength-division multiplexing. Описание и отличительные черты узкополосных, широкополосных уплотнений. Основные параметры оптических волокон, характеристика перекрестных помех, их возникновение и особенности.
курсовая работа, добавлен 05.09.2016Description of the transitional period of society development based on the use of digital information, communication technologies. Characteristics of the main approaches to the modernization of the personnel training system, the strategy of universities.
статья, добавлен 01.04.2022Study of the main problems with heating and ways to resolve them. Review of computer design, methods and techniques used in it, performance analysis. Analysis of possible universal approaches to the automated design of a heating system using a heat pump.
статья, добавлен 14.09.2016Chaos-geometric and quantum-dynamic approach that consistently includes a number of quantum models and a improved methods of analysis to solve problems quantitatively complete modeling and analysis of chaotic dynamics of nonlinear processes in atomic.
статья, добавлен 13.01.2017Главные части системы GSM и взаимодействие их друг с другом. Характеристика маршрутизации вызовов. Суть проектирования сетей радиосвязи. Анализ параметров источников полезного и мешающего сигналов. Потери энергии на трассе распространения радиоволн.
дипломная работа, добавлен 13.09.2014Features of online communication, the main tools for organizing polite communication. Analysis of speech etiquette as a system of norms and rules of speech behavior. Implementation of several communication tactics. Emotional comfort in online communities.
статья, добавлен 11.03.2021Принцип коммутации каналов на основе частотного мультиплексирования и его особенности на примере телефонной сети. Коммутация на основе техники разделения частот (Time Division Multiplexing, TDM) как передача непрерывных сигналов, представляющих голос.
реферат, добавлен 06.03.2014Consideration of algorithms for creating an automated system for recording and displaying information from aircraft and observation in the interactive control mode by the operator. Architecture analysis for encrypted video streaming from multiple cameras.
статья, добавлен 23.10.2020The essence of conservative deterministic methods of determining interference. Electromagnetic compatibility of mobile services. The levels of the interference field strength at the receiver. Building a stochastic model of functioning of a station.
статья, добавлен 26.03.2016Впровадження сучасних комунікаційних стандартів обміну інформацією. Практичне використання технологій виробництва сучасних систем управління. Застосування цифрових пристроїв захисту та автоматики "SMART GRID". Розвиток апаратних і програмних засобів.
статья, добавлен 22.12.2016Improving 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 30.10.2018The division of the external factors influencing the characteristics of the optical fiber into two types: external environmental conditions and factors as a result of human activity. The protection elements of fiber-optic cables from these factors.
статья, добавлен 06.05.2018Research on the emergence of a new form of communication - Internet communication. The use of tweeting for communication purposes in the political sphere. Verbal means of expressing explicit and implicit persistence, the use of imperative constructions.
статья, добавлен 06.10.2021