The History of the Radio
Getting to know the causes and characteristics of the invention of radio. Improved maintenance of mobile phones as the first trade and the available radio and telephone system. General characteristics of the best-known wireless telecommunications.
Подобные документы
- 1. Telephones
History of the invention and the principle of the phone. Features of cellular communications and mobile phones as one of the most popular inventions in the world. Biography of Alexander Graham Bell. History of the evolution of telephone technologies.
???????????, добавлен 18.05.2017 Classification, general parameters and composition of REE. Distance Measurement Equipment. Radio Altimeters. Doppler Systems. Direction Finders. Radio Beacon Landing Systems. Design and Operation Principles of A/C Communication. Equipment Layout of REE.
???? ??????, добавлен 08.05.2013Characteristic and investigation of basic trends and promising of development for the mobile backhaul are provided. Introduction to the process of designing radio communications terahertz range capable of applying to build super high-rate backhauls.
??????, добавлен 26.06.2016A 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.
??????, добавлен 26.03.2016Discusses the main characteristics of reliability of radio electronic devices, methods of their calculation. Proposed mathematical models for the determination of parameters of thermal fields and recieved an analytical solution for the calculation.
??????, добавлен 26.06.2016?????-??????, ?????????? ?? ???????? ??????????, ??????????? ??????????? GPRS ??????????. ?????? ? ???????? ?? ??????? ? ????????? ????????????? ?????. General Packet Radio Service ? ???????? ETSI - ???????? ?????? ????? GSM ? ??????? ?????????.
???????, добавлен 24.01.2011General 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.
???????? ??????, добавлен 12.12.2014The 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.
??????, добавлен 27.07.2016Problems 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.
??????, добавлен 28.10.2020?????????? Radio Frequency Identification - ????????????? ????????????? ? ??????? ????????????. ??????? ?????????????? ????????????? ?? ?????? ?????????? ? ?????? ???????? ?? ?????????? ???????? ? ?????????????? ?????-????. ??????? ????????????? ???.
??????, добавлен 06.05.2018Electronic 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.
??????, добавлен 12.08.2016Characteristics of television in South Korea, the impact on everyday life. A number of national television networks and cable operators in the country. The history of Korean television drama and the first series. The development of broadcasting in Korea.
???????, добавлен 06.01.2015?????????? ??????? ?????????? ????????? ????????????????? ??????????, ???????? ??????????? ???????? ???????? ??????? ????????? ???????????? ????? ??????? ?????????? ?????????? ??????, ? ????? ??????????-???????????? ???????????? (software defined radio).
??????, добавлен 30.04.2018??????????? ????????????? RFID (Radio Frequency Identification) ?????????? ??? ?????????? ??????? ?????????????? ??????????. ?????? RFID-???????. ?????? ??????? ?????????? RFID-?????????? ??? ?????????? ????????????? ??????????? ?? ???????? ?????????.
??????, добавлен 30.05.2017Features a mathematical model of wireless mesh-network, which implements the principle of access time to a common radio resources. Allocation of slots and their routing. Analysis of finite delay in terms of the allocation of slots along the route.
??????, добавлен 22.03.2016???????? ????????? ????? ? ??????? ????? ????? ?? ???? GSM (Global System for Mobailcommunition). ????????? ?????? ???????? ???????? ?????? GPRS (General packet radio service) ? ??????? ?????. ?????? ? Internet ???? ? ??????? ?????????? ????????.
???????, добавлен 17.11.2020Developing of telecommunications. The characteristics of the satellite services and Internet. Advancing role of telecommunications in banking. Russia’s telecommunications roads get wider, more expensive. Future of development telecommunications.
???????, добавлен 30.06.2014In 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.
??????, добавлен 21.03.2022- 19. ?????????? 4G
??????? ????????? 4G - ????????? ????????? ????? ? ???????? ????????????. ????????? ??????? "General Packet Radio Service". ??????? ????? 3G ? 4G: ????????, ???????? ????, ?????????? ???????? ? ?????????? ???????????. ???????? LTE, ??? ????????????.
??????, добавлен 26.04.2019 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.
??????, добавлен 27.09.2016Assess the quality of the telecommunications systems functioning. The methods of diagnosing the quality of telecommunications systems. The using of the characteristics of the sequence of residual detunes to diagnose the quality of functioning of TCS.
??????, добавлен 19.06.2018The concept and the basic principles of electronics as a scientific field, the history of its development and modern achievements. Classification and types of antennas, basics principles of operation. The materials used in the manufacture of antennas.
??????? ???????, добавлен 25.11.2013??????????? ? ??????????? ????????? ???? ???????? ?????????? "General Packet Radio Service". ????? ???????????? ?????????? ???????????? ???????? ?????? ? ??????? ????? "Enhanced Data rates for GSM Evolution". ???????????? ????????? ????? EDGE ? GPRS.
??????????? ??????, добавлен 09.01.2014Functional requirements for a smartphone - a mobile phone with an advanced mobile operating system, which combines the functions of a personal computer with other features that are useful for mobile or portable use. The software of the mobile device.
??????????? ??????, добавлен 08.12.2015Discussion of traffic and determining the load transport system. Investigation of the general operation of the network and telephone service. Daily measurement methods and normal and high load traffic intensities. Using statistical analysis and modeling.
??????, добавлен 21.01.2014