Amplitude and frequency modulations

Feature information transmission in the form of electromagnetic waves. Carrying out the method of amplitude modulation of the sound in the mid-1870s. Exposure frequency inflexion effects of physical barriers. The primary analysis of popularity FM-radio.

Рубрика Физика и энергетика
Вид презентация
Язык английский
Дата добавления 18.05.2016
Размер файла 535,5 K

Отправить свою хорошую работу в базу знаний просто. Используйте форму, расположенную ниже

Студенты, аспиранты, молодые ученые, использующие базу знаний в своей учебе и работе, будут вам очень благодарны.


Подобные документы

  • The overall architecture of radio frequency identification systems. The working principle of RFID: the reader sends out radio waves of specific frequency energy to the electronic tags, tag receives the radio waves. Benefits of contactless identification.

    курсовая работа [179,1 K], добавлен 05.10.2014

  • The principles of nonlinear multi-mode coupling. Consider a natural quasi-linear mechanical system with distributed parameters. Parametric approach, the theory of normal forms, according to a method of normal forms. Resonance in multi-frequency systems.

    реферат [234,3 K], добавлен 14.02.2010

  • The basic principles and the protection of power lines patterns used in this process methods. Physical basics of high-power transformers in substations. Justification of the information received. Diagram illustrating the operation of the protection.

    презентация [628,0 K], добавлен 18.02.2016

  • Study of synthetic properties of magnetic nanoparticles. Investigation of X-ray diffraction and transmission electron microscopy of geometrical parameters and super conducting quantum interference device magnetometry of magnetic characterization.

    реферат [857,0 K], добавлен 25.06.2010

  • The danger of cavitation and surface elements spillway structures in vertical spillway. Method of calculation capacity for vortex weirs with different geometry swirling device, the hydraulic resistance and changes in specific energy swirling flow.

    статья [170,4 K], добавлен 22.06.2015

  • The chiral model of graphene based on the order parameter is suggested in the long-wave approximation, the ideal graphene plane being determined by the kink-like solution. Corrugation of the graphene surface is described in the form of ripple and rings.

    статья [211,7 K], добавлен 23.05.2012

  • Background to research and investigation of rural electrification. Method of investigation, plan of development, Rampuru, a typical rural South African village. Permanent magnet generator, properties of permanent magnets and evidence of wind resource.

    курсовая работа [763,2 K], добавлен 02.09.2010

  • Determination of wave-length laser during the leadthrough of experiment in laboratory terms by means of diagnostics of laser ray through the unique diffraction of cut. Analysis of results: length of fringe, areas and interrelation between factors.

    лабораторная работа [228,4 K], добавлен 29.12.2010

  • Initial data for the term paper performance. Order of carrying out calculations. Analyze uncompensated system. Synthesize the real PD-compensator ( ) which would guarantee desired phase margin at gain crossover frequency . Analyze compensated system.

    курсовая работа [658,7 K], добавлен 20.08.2012

  • The results of theoretical analysis and computer simulation of the amplitude and phase errors of the narrowband signal. Vector representation of input and output signals. Standard deviation of the phase. Probability distribution laws of the phase error.

    реферат [469,7 K], добавлен 06.04.2011

  • Research methods are strategies or techniques to conduct a systematic research. To collect primary data four main methods are used: survey, observation, document analysis and experiment. Several problems can arise when using questionnaire. Interviewing.

    реферат [16,7 K], добавлен 18.01.2009

  • The process of scientific investigation. Contrastive Analysis. Statistical Methods of Analysis. Immediate Constituents Analysis. Distributional Analysis and Co-occurrence. Transformational Analysis. Method of Semantic Differential. Contextual Analysis.

    реферат [26,5 K], добавлен 31.07.2008

  • The problem of linguistic abilities of a child. Goals and objectives of foreign language teaching preschoolers. Number of pupils in a group, the frequency, duration of sessions. The game as the leading method of teaching preschoolers. Learning vocabulary.

    курсовая работа [39,5 K], добавлен 26.06.2015

  • The principles of personal safety in the application of physical restraint. Improving the practice of physical restraint in the activities of the tax police to enhance personal safety. Legal protection of the tax police in applying physical effects.

    курсовая работа [0 b], добавлен 08.10.2012

  • Comparative analysis of acronyms in English business registers: spoken, fiction, magazine, newspaper, non-academic, misc. Productivity acronyms as the most difficult problem in translation. The frequency of acronym formation in British National Corpus.

    курсовая работа [145,5 K], добавлен 01.03.2015

  • Ability of the company to reveal and consider further action of competitive forces and their dynamics. Analysis of environment and the target market. Functional divisions and different levels in which еhe external information gets into the organization.

    статья [10,7 K], добавлен 23.09.2011

  • Analysis of the causes of the disintegration of Ukraine and Russia and the Association of Ukraine with the European Union. Reducing trade barriers, reform and the involvement of Ukraine in the international network by attracting foreign investment.

    статья [35,7 K], добавлен 19.09.2017

  • The collection and analysis of information with a view of improving the business marketing activities. Qualitative & Quantitative Research. Interviews, Desk Research, Test Trial. Search Engines. Group interviews and focus groups, Secondary research.

    реферат [12,5 K], добавлен 17.02.2013

  • A specific feature of services. The main form of supply of services abroad. A need for international regulation of trade in services. Operations on foreign tourism. International tourism as a form of foreign economic activity. World Tourism Organization.

    реферат [1,2 M], добавлен 30.09.2014

  • Earnest Hemingway and his novella "The old man and the sea". Thing that makes Santiago a master craftsman is his experience. Borrowed elements in English in the main emphasis. Story, which takes place in Cuba and has Spanish-speaking characters.

    курсовая работа [31,0 K], добавлен 05.06.2011

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу.