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 transmission line model is used to design log periodic of bow-tie antennas arrays operating in C band fed in series with enhanced bandwidth. The transmission line model is simple, precise and allowing taking into account the whole geometrical, electric.
статья, добавлен 04.11.2018Actual trends in development of power system protection and automation. Identification of circuit parameters of power network elements. The proof of applicability of power line parameters identification algorithm. Synchrophasor application tasks.
статья, добавлен 23.06.2013Replacement scheme for the calculation of short-circuit time search space for the simplest plot. Diagram of distribution line. Example of calculation for one moving line of AXO between section lines. Scheme of control process of finding places SC line.
статья, добавлен 23.05.2016The descriptive structure and implementation of motor driver for solar power plant is proposed. Determination and characterization of the direct loss of power, depending on the angle of deviation. The development of solar power control algorithm.
статья, добавлен 26.06.2016The 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 30.07.2016Types of wind power stations: ground, coastal, offshore, floating. The principle of operation of wind parks, transportation of resulting electricity through a power cabinet located on the basis of a wind power plant. Terms of construction of wind farms.
презентация, добавлен 16.05.2018Presents methods for evaluation and improvement of output quality of an autonomous power supply system. Characteristic of the output impedance of a switching voltage regulator. Research and analysis features of the process setup for measuring impedance.
статья, добавлен 24.05.2018- 8. Heteroepitaxial 96x128 Lead Chalcogenide on Silicon Infrared Focal Plane Array for Thermal Imaging
The realization of a 2-d narrow gap IR-FPA on a Si-substrate containing the active addressing electronics: A 96x128 array with 75 µm pitch for row-by row electronic scanning and parallel read-out of the line addressed. Photovoltaic sensors in the layers.
статья, добавлен 28.06.2013 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 26.05.2014An analysis over of character of the isodenses of conical charge products, got by mathematical design. Consideration of character of intermediate initiator using in a downhole charge as the truncated cone at his location in the ground part of hole.
статья, добавлен 29.10.2020The present work is dedicated to the development of formation method for Pt cone-shaped surface nanostructures on silicon layer. By the deposition of Pt nanostructures on solid layers, the cone-shaped surface nanostructures of Pt can be obtained.
статья, добавлен 30.07.2016The 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- 13. Commentary on the Efficiency of Selected Structural Designs of Low Head Micro Hydraulic Power Plants
Possible structural design siphon micro hydroelectric power stations in terms of their effectiveness and the selection of the optimum head pressure. Gravitational constant (acceleration due to gravity). Calculation of hydraulic friction in the turbine.
статья, добавлен 13.01.2015 Development of rotor mechanisms, which make it possible to use solar radiation as efficiently as possible. The design and structure of a solar power plant. Scheme of control and balancing of output power. Selection of the type of photovoltaic cells.
статья, добавлен 22.12.2016Technological features of modeling wind turbines. Development of optimal physical and mechanical parameters for the design of the power plant equipped with an automated control system. Acquaintance with the results of the aerodynamic rotor testing.
статья, добавлен 22.12.2016The efficiency of a thermal power cycle. Use of waste heat for process or central heating. Ways to increase the overall efficiency of the power plant. A combination of different thermodynamic cycles in a combined cycle. Once-through cooling systems.
статья, добавлен 20.02.2019The analytical expression for the calculation of the relay mode frequency and power. Development of parameters of electric energy converters. The absence of the phase shift between voltage and current. Solution EMC problems. The reduction of power losses.
статья, добавлен 29.07.2016Two variants of the operative conditions of heat and power plants with technological schemes where heat pumps are used for utilizing the heat of exhaust gases of steam generators. System of the automatic control of frequency and power as power system.
статья, добавлен 30.01.2016In microwave systems of radio-location, communication and navigation the strictest requirements are placed on a powerful output amplifier and a low-noise input device. For the output amplifier the linearity must be combined with a high level of power.
статья, добавлен 04.11.2018Principles 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 08.05.2013The main aim development of the Uniform power system of Russia consists in maintenance of a reliable and economic electrical supply of consumers in territory with the greatest possible realisation of advantages of parallel work of power supply systems.
статья, добавлен 30.04.2019Solar and water power. Nuclear power plants. Appropriate regions for alternative energy. Environmental problems that may have a terrible influence on the future of the world. Greenhouse effect is the emissions of different gases in the process of firing.
презентация, добавлен 21.06.2015A possibility of backscattering controlling by means of structures with anisotropic conductivity is considered. It is shown that applying of this structures allowed to reduce the backscattering from leading and rear edges and from metal-impedance border.
статья, добавлен 04.11.2018Review and description high reliability and security of power unit are basic requirements when the power unit maneuvering mode operation. Investigated of the power unit capacity automated control systems influence on axial offset under maneuvering mode.
статья, добавлен 29.11.2016The study of the basic properties of the interfaces between the substrates and high-temperature superconductors of films. Characteristics of the surface resistance of the film at microwave frequencies. Improving the microwave properties of the HTS film.
статья, добавлен 28.10.2018