Electromagnetic oscillations and waves
Review the basics of electrical engineering. Characteristics of methods for determining the properties of the electrical systems and fluctuations of the electromagnetic wave. Theoretical information in conjunction with the examples of solving problems.
Подобные документы
Description and study of electrodynamic processes in simple metaldielectric waveguide. Determination of the structure of the electromagnetic field in the waveguide, parameters of the guide system of dispersion equations and parameters of their own waves.
статья, добавлен 24.06.2016The energy-momentum distribution and the mechanical forces of the electromagnetic field in material media. The discussion of the energy-momentum tensor in macroscopic electrodynamics. The Maxwell stress tensor. Electromagnetic force in James’ experiment.
статья, добавлен 11.09.2012The problem of gauge transformation of the electromagnetic potentials in classical electrodynamics (CED). Experimental vidence by Nikola Tesla: longitudinal vacuum waves, electrodynamic forces, appled power from static charge and scalar field in CED.
статья, добавлен 11.09.2012The classical electromagnetic lag. Use of the darwin-lagrangian analysis. Calculation of the aharonov-bohm phase shift. Experimental tests for velocity changes. The test for electromagnetic lag in the quantum topological description of the phase shift.
статья, добавлен 11.09.2012Study of electrical characteristics of organic diodes of metal phthalocyanine. Analysis of the role of the metal Cu, Al, Zn, Mg on electronic parameters. The substantiation of the nonideal behavior of the obtained values of n: 1.85, 2.22 and 4.40.
статья, добавлен 23.12.2016Study of the operating principles of electrical and power circuits. Modeling of an electrical circuit using Matlab/Simulink capabilities. Study of the scheme of various connections, analysis of frequency and time characteristics of transient processes.
статья, добавлен 12.12.2024Analysis concept of semiconductor is a solid whose electrical conductivity is in between that of a conductor and that of an insulator. Familiarization with the methods carrier recombination. Description features of preparation of semiconductor materials.
статья, добавлен 14.04.2015The 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 11.09.2012Maxwell’s equations and the equations governing charged particle dynamics. The relevant entities in these equations. Ambiguities in the definitions of the electromagnetic fields. A related term in the energy equation. Geodesics and Lorentz force.
статья, добавлен 11.09.2012Elastic scattering of the ultra relativistic polarized on atomic nucleus with arbitrary spin. The covariant parameterization of the electromagnetic current for a particle. The Rosenbluth formula for the cross section of the ultra electron.
статья, добавлен 02.09.2013Propagation 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.
статья, добавлен 23.10.2020Infinitesimal transformations, Maxwell tensor and electromagnetic forces. The Maxwell field tensor. Integral curves associated with the equations of motion and the end of the Lorentz transformation. Electromagnetic force and geometry of space-time.
статья, добавлен 11.09.2012Review and analysis of physical and numerical modeling of the field emission energy conversion nanoscale systems. Study and characterization of the main features of the systems with a cathodes based on an array of carbon nanotubes or quantum dots.
статья, добавлен 30.07.2016The questions of synthesis and application of the mathematical model of a boost-type DC converter, which has found widespread application in modern electrical devices and complexes. Determining of the cause of the error in the intermittent mode.
статья, добавлен 13.10.2020The dependencies of energy flow density and energy density on wave vector for different magnitudes of external magnetic field are analyzed. The sign of the Poynting vector in each plasma region is investigated. The velocity of energy propagation is found.
статья, добавлен 27.07.2016Dielectric loss, which characterizes the conversion of electrical energy into thermal energy as electrical properties of dielectrics. Loss mechanisms and their contribution to the conductivity of the dielectric materials of ultra-high frequencies.
статья, добавлен 26.06.2016Feature 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.
презентация, добавлен 18.05.2016The features of surface waves motion and the analysis of methods for finding the timing and patterns of change in motion R-waves along the free surface. The calculate time - frequency performance under different formulas and compared with each other.
статья, добавлен 27.07.2016- 44. Influence of low-frequency electromagnetic radiation on the complement system (experimental study)
Determination of the state of the complement system under conditions of exposure to low-frequency electromagnetic radiation on the body of rats under experimental conditions. Replace in membrane potential and disruption of nerve cell conduction.
статья, добавлен 12.05.2024 The investigation of the effects of nonionizing electromagnetic radiation on intact bovine lens using a lens organ culture system. Exposure above specific energy levels affects lens epithelium as demonstrated by changes in epithelial enzyme activities.
статья, добавлен 06.01.2014The classical electromagnetic interaction of a point charge. The Darwin-Lagrangian and electromagnetic fields. Two-particle model for a magnetic moment. Conservation laws and transition to a multiparticle magnet. Forces in the multiparticle limit.
статья, добавлен 11.09.2012- 47. Quantum optics
The study of the quantum nature of light and its interaction with matter. Mixed States of the electromagnetic field and electrodynamics in the frequency domain. The concept of probability and random variables. Experiments in optical homodyne tomography.
монография, добавлен 08.03.2014 History of origin and development of the electrotechnical industry. Characteristics and distribution of transformers, their features and purpose. High voltage DC technology. Consequences of absence of electric energy storage in transmission systems.
контрольная работа, добавлен 20.02.2019Capabilities of two plasma assisted methods based on a pulsed laser ablation and electrical discharges in liquid media for fabrication of metallic and composite nanoparticles. Production of metallic and composite nanoparticles with controlled parameters.
статья, добавлен 30.07.2016The measurement and analysis of the quality of electrical energy in electric grids. The characteristics of the main tools for measuring power quality, the requirements on the measurement of power quality. Instruments to measure the indicators of quality.
статья, добавлен 06.05.2018