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
Characteristics of the principle of operation of dynamic model rocket thruster of electromagnetic type consisting of a source of electromagnetic waves of radio frequency and the conical resonator, which are excited by electromagnetic oscillations.
статья, добавлен 22.05.2017The propagation of electromagnetic waves in inhomogeneous isotropic lines in the presence of expofunctional influences. Differential equations like the wave equation relative to the unknown electromagnetic field intensities, criteria of solvability.
статья, добавлен 26.06.2016Fundamentals of electrical engineering and measuring technology. Main characteristics of electrical systems and of the magnetic field. Feature Whetstone bridge tangent compass, measuring methods, such as the bridge circuit, the method of comparison.
лекция, добавлен 11.10.2014General representation of the electromagnetic properties of solids. The effect of temperature and magnetic field on the amount of condensation the object. Comparison of theoretical and experimental data of electrical conductivity of the dielectric.
статья, добавлен 30.07.2016The principle of converting electrical energy into mechanical energy by an electromagnetic field. The invention and introduction to the production of a perfect electric generator. The essence and specificity of the principle of electromagnetic induction.
контрольная работа, добавлен 19.02.2019Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.
статья, добавлен 08.05.2013Comparison for new prospects for the use of electromagnetic phenomena in earthquake forecasting, the ultra-low frequency range was selected. Research of information about Ulf networks and researchers who had critical views on electromagnetic phenomena.
статья, добавлен 05.09.2022The concept and characteristics of the electric current. Analysis of linear DC circuits. Applying Kirchhoff's in electrical engineering. The nodal equations for complex amplitudes. Representation of harmonic oscillations with the help of complex numbers.
методичка, добавлен 11.10.2014The study of surface electromagnetic waves propagating along а boundary line. Methods of achieving efficient excitation of surface plasmon polaritons. Properties of quasi-particles and photons interacting with elementary excitations of environment.
статья, добавлен 30.07.2016Problems of reducing dielectric strength of transformer oil. The technology of pumping oil through the adsorbent to remove excess moisture. Analysis of methods of drying the adsorbent by an electromagnetic field. Advantages and disadvantages of methods.
статья, добавлен 30.10.2016Detailed arguments showing that the set of Maxwell equations, and the corresponding wave equations, do not properly describe the evolution of electromagnetic wave-fronts. Criticism of the theory of electromagnetism. Modified the Maxwell equations.
книга, добавлен 11.09.2012A mathematical model of the system of proactive management of the condition of the electrical equipment, which involves the selection and use of various methods of intellectual analysis of information about changes in its key diagnostic parameters.
статья, добавлен 12.09.2024Analysis of various technological and management approaches developed to improve the efficiency of electrical systems. Assessment of scientific achievements in this field. Environmental consequences of using amorphous core distribution transformers.
статья, добавлен 06.12.2024Study of spectral characteristics of layered chiral media using the method of matrix distribution. The calculation of the coefficients of transmission and reflection of linearly polarized electromagnetic wave on the structure of planar chiral layers.
статья, добавлен 29.07.2016The study of ultra-broadband composite absorbers of electromagnetic waves. The level of absorption in a wide band of frequencies, a combination of mechanisms enhancing the loss of energy field. Harmonization of resistance and destructive interference.
статья, добавлен 13.10.2016The study of the pathogenic effect of electric fields of alternating current on biological systems (Drosophlla melanogaster) to substantiate the maximum permissible levels of electromagnetic radiation by creating new rapid methods using test objects.
статья, добавлен 29.09.2018Geophysical methods: seismic exploration, gravity, magnetic and electric prospecting. The inverse and the direct problem in geophysics. Permanent or electric parameters of the alternating electromagnetic field. Longitudinal and transverse waves.
презентация, добавлен 23.03.2014- 18. Modeling of electromagnetic processes in electrotechnical complexes for reducing residual stresses
The resulting electromagnetic field is the superposition of electromagnetic fields was found. It was determined the instantaneous electromagnetic force affects the non-ferromagnetic conductive disc and consequently the pressure force of the electrode.
статья, добавлен 30.10.2016 Analysis of samples based on carbon. Structural and electrical properties of grapheme-based samples for application of these samples in solar panels. Application in the modeling of hybrid energy systems and modeling of current-current characteristics.
статья, добавлен 15.09.2024- 20. Near-field coherent effects at thermal microwave radiation receiving on coupled linear wire antennas
A theory of electromagnetic wave multiple scattering by ensemble of dielectric and conductive bodies, with describing the excited currents inside bodies of electric field tensor T-scattering operator. A system of equations for currents on surfaces.
статья, добавлен 04.11.2018 The acquaintance with the peculiarities of the spatial distribution of electromagnetic fields. The characteristic features of Electromechanical disintegrator. Consideration of methods of distribution of eddy currents in the working conductive camera EMD.
статья, добавлен 29.07.2016The aim of the given paper is to summarize the structure of knowledge in electrical engineering needed for students majored in electromechanics, to define its place and role while conducting experimental research while studying technical subjects.
статья, добавлен 22.12.2020The study of magnetite particle of the obtained magnetic liquid by X-ray diffraction analysis and transmission electron microscopy. Electrical conductivity and magnetic susceptibility of magnetic liquids. Changes in the electrical conductivity of samples.
статья, добавлен 19.02.2021Movement of particles in the dielectric fluid toward the electrode of opposite charge. The study of the electrical and optical properties of the electrophoretic display composition of the suspension. Key factors determining the quality of the image.
статья, добавлен 30.07.2016Atomic-molecular structure is unified for matter, the gravitational and electromagnetic fields must have a single structure, which differs in quantitative characteristics . The electromagnetic field differs from the gravitational field only by frequency.
статья, добавлен 17.03.2022