Design of T-split power dividers using dumbbell shaped DGS
Implementation of equal power divider using conventional 50 microstrip line and dumbbell shaped defected ground structures. Increased the line impedance of the microstrip line. Application dividers in microwave circuits and feeds of array antennas.
Подобные документы
A mathematical model of multiphase cylindrical apparatus for bulk materials treatment with radio frequency electric field. Analysis of the distribution of the electric field inside the zone restricted with multiple connected circular arc-shaped boundary.
статья, добавлен 29.07.2016Electric field of radio frequency. Mathematical model of multiphase cylindrical apparatus for bulk materials treatment. Connected circular arc-shaped boundary on the basis of the field coupling problem of the theory of singular integral equations.
статья, добавлен 29.07.2016Russian experience in the field of non-traditional microwave electronics based on electron beam transverse waves using is discussed in a form of short review. Strictest requirements are placed on a powerful output amplifier and a low-noise input device.
статья, добавлен 04.11.2018Development the constructive version of pump unit’s combined turbine drive. Use of wet non-separated steam as a working body. Twin-rotor combined turbine drive with a transmission for the nuclear power plant equipment emergency water supply system.
статья, добавлен 29.11.2016Numerical simulation of the excitation of a plasma wave-phase field by means of a generated laser pulse. Increase in the coefficient of transformation. The length of the shaped laser pulse. The maximum energy, to which electrons can be accelerated.
статья, добавлен 22.12.2016Foundations of radio lenses constructing of centimeter and millimeter wave ranges with controlled refraction index, combining the quality of antennas. Possibilities of the electronically scanning with wide-angle sector and high gain are maintained.
статья, добавлен 04.11.2018The 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 11.10.2014Analysis 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 28.07.2023Mathematical description of aggregated models. The essence of the concept of estimating electronic circuits. The list of principles of computer-aided design of semiconductor electronics. Influence of the aggregation problem on parametric synthesis.
статья, добавлен 22.12.2016The temperature and frequency dependences of the impedance components of PbTe(In) nanocrystalline lms within the frequency range of 20 Hz–1 MHz in the temperature interval of 4.2–300 K in darkness and under illumination. The lms on a glass substrate.
статья, добавлен 28.06.2013Identify the best value of the functional for four-layer structures at different angles of light incidence. Calculation of the performance of software developed by the algorithm for solving the problem of optimization of multilayer optical structures.
статья, добавлен 20.01.2017History 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 20.02.2019Description of the features of the action of solar roads, which consist of solar panels arranged in series and having a constructive structure for the movement of vehicles along them, a green alternative to the use of fossil fuels in power generation.
статья, добавлен 19.02.2019Strength margins of Turbogenerators of various power. Basic requirements to their reliability. Turbogenerator TA-6-2MU2 rated 6 MW with air cooling. Applied parameterization methods allows to develop one project instead of three separate ones.
статья, добавлен 23.07.2021Market research focused on capturing a similar concept and studying the principles and properties of magnets. Application for the drive of the gripping unit of the pneumatic device for manipulation of the portal intended for educational activities.
статья, добавлен 28.08.2020Электроэнергия как один из важнейших ресурсов в современном мире. Формулировка и способы разрешения задачи Optimal Power Flow. Типы релаксации и их сравнительное описание, условия и возможности использования: полуопределенная, хордальная и коническая.
курсовая работа, добавлен 03.07.2017- 92. Peaceful atom
Consideration of the features of the energy of thermonuclear fusion. Study of the problems of nuclear power plants. The radiation hazard assessment. Devices designed to determine the level of radiation. The principle of operation of the Geiger counter.
статья, добавлен 20.02.2019 Characteristic features of the effect of noise on the power and polarization characteristics of semiconductor lasers within the scope of our earlier model which considers polarization switching. Research and analysis of results of numerical simulation.
статья, добавлен 29.01.2016- 94. Problems of protection during the massive penetration of renewable energy sources in power systems
Among the various sources of alternative energy, wind and solar are two prominent and promising alternatives for future electricity needs. These sources are integrated into distribution networks for local consumers. Adaptive retransmission schemes.
статья, добавлен 28.12.2020 Synchronized measurements (the registrations of the transients) of the regime parameters, including vectors of the voltage in the network nodes, creating the technical possibility of realization of the technologies for checking of regime admissibility.
статья, добавлен 23.06.2013The 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 30.07.2016Investigating nanolaminates formed by compaction of FeCo nanoparticles with a very thin coating of a protective carbon or oxide. The hysteretic power loss as a function of frequency. The real, imaginary parts of permeability for soft magnetic materials.
статья, добавлен 28.10.2018- 98. Energy security
Energy security is the association between national security and the availability of natural resources for energy consumption. International trade in oil and gas. Risks associated with nuclear power technology. Features the use of solar heating systems.
статья, добавлен 19.02.2019 Nikola Tesla as inventor in the field of electrical and radio engineering. Wireless power at a distance - the most mysterious inventions of a scientist. The influence of research on Tesla in the field of electromagnetism to the discovery of x-rays.
презентация, добавлен 07.12.2014Conducting a preliminary determination of the propeller thrust and power coefficients depending on the predetermined relationship with the help of representative geometrical parameters of the blade at a certain radius. Evaluation of nonlinear influence.
статья, добавлен 08.10.2013