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
The 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 11.09.2012Analysis 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 11.09.2012The 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 13.10.2020Elastic 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 02.09.2013Review 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 30.07.2016Propagation 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 23.10.2020Dielectric 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 26.06.2016Infinitesimal 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 11.09.2012The 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 27.07.2016Feature 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 27.07.2016The 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 11.09.2012Capabilities 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 06.05.2018History 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 20.02.2019- 45. 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 Analysis of the structure of the electromagnet. Features of the equivalent circuit of the electromagnet. Stages of the calculation of the magnetic flux and the electromagnetic force. Consideration of ways to determine the electromagnetic forces.
реферат, добавлен 04.09.2012Deposition 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 30.07.2016Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
статья, добавлен 22.12.2016Features of the influence of high-frequency laser radiation on the characteristics of tungsten graphene. An analysis of the causes of the gap in graphene creates a gap in the band of the spectrum in the conditions of a high-frequency electromagnetic wave.
статья, добавлен 23.12.2016The energy industry is energy, which includes generation, transmission and distribution of electricity. Thermal power plant is a power plant producing electrical energy by converting chemical energy. Nuclear power plant is a complex of necessary systems.
статья, добавлен 19.02.2019