Features of information technology distribution of radio waves by frequencybands

Propagation of radio waves in an inhomogeneous atmosphere. Consideration of the principles of field strength attenuation and classification of the main models of radio routes. Attenuation of radio waves in conditions of dense development in megacities.

Подобные документы

  • Research twist extrusion process and the development of its implementation. Characteristic features of the process of homogenization and mixing materials. Consideration of the stages of the formation of sub-micron and nanostructures in metals and alloys.

    статья, добавлен 26.03.2016

  • The force on a macroscopic polarizable body in an inhomogeneous electromagnetic field is calculated for simple exactly solvable situations. Different approaches pinpoint possible pitfalls and resolve recent confusion about a force density in ferrofluids.

    статья, добавлен 11.09.2012

  • Description of the concept of formation of micelles of surface-active substances. Features smooth polymorphic transitions, oscillations, and hysteresis properties in the size of the micelles. The use of active substances in the development of technology.

    статья, добавлен 13.10.2016

  • The short life span of satellites - the reason of the complexity of the observation region of the ionosphere near the ionospheric peak. The features of the use of the Faraday effect for measuring the geomagnetic field using incoherent scatter radar.

    статья, добавлен 30.10.2016

  • Characteristic main features of the location, velocity and the acceleration of the focal point which are determined with taking the group speed of laser radiation into consideration. Definition of the acceleration of the focal point at the exit.

    статья, добавлен 29.01.2016

  • Optimal conditions for the synthesis of nanopowders based bi2te3. Preparation of homogeneous dense material from nanopowder by hot isostatic pressing. Especially the increase in electrical resistivity, decrease in the average grain size of the material.

    статья, добавлен 13.10.2016

  • Determination of thermal conditions of vacuum-arc plasma sources cathodes. Investigation of the thermal field of a stationary cathode surfaces, the cathodes different geometry and heat flux. A period of time for cathodes with different types of cooling.

    статья, добавлен 30.07.2016

  • Characteristic variable capacitor structure. The definition of electronic control features. Issdelovanie circuit AC bridge. Determination of the resistance measuring bridge capacitors parameters. Consideration device universal scheme of the bridge.

    реферат, добавлен 17.12.2015

  • Aristotle's view of physics. Consideration of Physics by Aristotle. Motion by Aristotle as the total change as the active transformation is possible in reality. Consideration of the key features of the thinking of Aristotle, list of presuppositions.

    статья, добавлен 09.09.2012

  • Features of the use Gauss law. System with two line charges. The potential from both line charges is a superposition of both potential. Since the system has a high symmetry, may to use Ampere's law. Choice of the Ampere loop. The magnetic field.

    реферат, добавлен 26.05.2014

  • Practical study of the general nature of the effect of an electrostatic field on a low-temperature plasma. The Tesla Converter and generator as sources of the electrostatic field in the experiment. Extinguishing the flame using an electrostatic field.

    статья, добавлен 26.05.2020

  • Practices of the Republic of Moldova in the area of bioenergy development and usage of biomass for energy engineering purposes. Information on the developments in the bioenergy area, on organization and results of the development of new technologies.

    статья, добавлен 02.02.2019

  • Familiarity with the main features of the experimental study of hydrodynamic luminescence in a cavitating liquid medium, problem analysis. General characteristics of important stages of development of the basic hydraulic scheme of the test bench.

    статья, добавлен 20.09.2021

  • Principles of construction of a monitoring system. Appearance of the reflectometer ALIMP. Application of the complex modulated signals. Algorithms of processing of the information. Block scheme of power lines monitoring on the basis of the devices ALIMP.

    статья, добавлен 08.05.2013

  • Finding ways to save energy and improve the energy efficiency of production. Development of the latest renewable sources. Development of the photovoltaic industry, increasing the output power of solar batteries. Reduction of carbon dioxide emissions.

    статья, добавлен 30.08.2022

  • The coatings based on (Ti-Al-Zr-Nb-Y)N and (Ti-Zr-Hf-V-Nb-Ta)N were obtained by means of vacuumarc deposition from the cathodes in the atmosphere of nitrogen. Their physical and mechanical properties, tribotechnical characteristics have been studied.

    статья, добавлен 30.07.2016

  • General characteristics of the main types of relay protection. Analysis of the causes of accidents that can damage technical equipment or lead to the death of service personnel. Acquaintance with the features of the formation of relay protection.

    статья, добавлен 15.01.2021

  • A numerical technique has been used slove the carrier transport equations for PbSnTe photodiode configurations. The model computes the spatial distribution of the electric field, electron concentrations and the generation-recombination of the mechanism.

    статья, добавлен 28.06.2013

  • Directions of formation the main technical solutions to enhance the transmission capability of backbone network in this region through the development and implementation of facilities to determine the current values of stability margin in Russian UPS.

    статья, добавлен 23.06.2013

  • The effect of magnetic field on the transport of ions in plant cells are shown in the article. The interrelation between the changes in the concentration of ions in the plant cell with magnetic treatment and magnetic field parameters has been established.

    статья, добавлен 30.01.2017

  • The deterministic spherical motion of the ferromagnetic fine particle with frozen magnetic moment is considered. Using the equations of motion and the mode of torsional oscillation. The influence of the static field on the magnitude of the power loss.

    статья, добавлен 30.07.2016

  • Deposition of CuPc under the electric field and without it. The influence of the field on morphological properties. Quantum-chemical modeling and growth mechanisms. The electrical characteristics of the amorphous and crystalline structure of the films.

    статья, добавлен 30.07.2016

  • Analysis of the state and motives for the development of green energy in the European Union. The rate of improvement of the field of renewable energy in Ukraine. Prospects and risks of Ukraine shaped by European trends and problems in the field of energy.

    статья, добавлен 28.07.2023

  • Aimed at revealing of the draft mechanisms at the thermal power plants, which serve for continuous air supply to the boiler furnace. It is necessary for combustion process of fuel and removal of combustion products from the boiler into atmosphere.

    статья, добавлен 25.11.2021

  • Challenges of biofuel production. The main characteristics of the liquid biofuels production and consumption. Development trends of biofuels production with crop raw material. Economic incentives at different stages of the value chain of liquid biofuels.

    статья, добавлен 28.01.2017

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 и оценить ее, кликнув по соответствующей звездочке.