Log periodic bow-tie antennas (LPA) design using the transmission line model

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.

Подобные документы

  • The model of a continuous transition from laminar to turbulent flow in the boundary layer. The theory of the spectral density of turbulent pulsations is developed. Continuous transition to turbulence. Spectral characteristics of turbulent flows.

    статья, добавлен 27.04.2017

  • We investigate comparison methods of different geometric configurations of adaptive antenna arrays for communications on purpose to estimate directions-of-arrival of several external signals. The investigated antenna configurations have four elements.

    статья, добавлен 04.11.2018

  • The 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 19.02.2019

  • The results of a comprehensive analysis of the implementation of measures for energy saving and use of renewable energy sources in the Republic of Moldova using the MARKAL model. Determining the cost of work on the development of renewable energy sources.

    статья, добавлен 02.02.2019

  • The 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

  • A geometrical description of the moduli space M of rank stable torsion-free coherent sheaves on the projective plane CP2 is given. We consider methods for calculating the top Chern class of the universal vector bundle over a point that represents a sheaf.

    дипломная работа, добавлен 30.08.2016

  • Calculation condition of heating load calculation, simulation. Evaluation of heating load calculation considering the surrounding environment. Comparison of heating load of surrounding environment by simulation. Reference value by class of housing.

    статья, добавлен 20.09.2021

  • Расчет микрополоскового фильтра встречных шпилечных резонаторов. Моделирование с помощью программной среды AWR Design Environment. Полюсы и нули частотной характеристики. Оптимизация на подложке из фторопласта. Результаты исследования и проектирования.

    контрольная работа, добавлен 27.01.2014

  • Study of features of production a-particles with nonzero orbital angular momentum in the decay of deformed nuclei in the cluster model using the WKB. Characteristics of a-decay half-lives for set of deformed nuclei with nonzero orbital angular momentum.

    статья, добавлен 11.11.2013

  • Algorithms for flat fading radio channel estimation was investigated. Namely algorithms based on AR-model with sliding window and without sliding window, algorithm that uses Discrete Wavelet Transform and that uses Discrete Wavelet Packet Transform.

    статья, добавлен 04.11.2018

  • Market 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 28.08.2020

  • Calculation of main electrical value and determination of isolation distances. Determination of the mass of the active part of the magnetic circuit, building materials and oil. Description of the design of transformers. Calculation of the HV winding.

    дипломная работа, добавлен 06.12.2016

  • Studying the behavior of active nanoparticles ensemble within the framework of canonical approach, taking into account the internal energy. Applying the anharmonic representation of the Hamilton function and analysis the kinetics of the self-assembly.

    статья, добавлен 30.07.2016

  • An 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 29.10.2020

  • The 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 29.07.2016

  • Simulation of cold rolling of bearing rings taking into account the temperature factor. Optimization of the shape of the roller generatrix of double-row railway roller bearing. The hydraulic resistance of mesh dividers of phases in the liquid stream.

    статья, добавлен 29.06.2016

  • Geophysical 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

  • Analysis of physical processes that may cause the fragility and destruction of the lava-like fuel containing materials of 4-th unit of Chernobyl Nuclear Plant. Analysis of influence of electric fields arising in medium with incorporated radionuclides.

    статья, добавлен 27.06.2016

  • The history of the effects of the first induction motor. Record status induction improvements and the development of three-phase asynchronous motors. The use of electric motors in modern technology. Features of the nature of induction machines.

    реферат, добавлен 03.04.2014

  • Adjustable electric drive system based on an asynchronous motor with open windings, powered by two paired inverters, regulated in accordance with synchronous vector modulation algorithms. Modeling systems with different types of vector modulation.

    статья, добавлен 02.02.2019

  • Steam turbines design. Classification of steam turbines according to the method of energy conversion, according to the direction of flow, according to the number of stages, according to the speed of rotation, according to the steam pressure at the outlet.

    презентация, добавлен 12.11.2022

  • Asymptotic formulas for stray fields of arbitrarily oriented magnetic and electric dipoles located on the axis of a translucent disk. Using the Kirchhoff approximation and the stationary phase method. Numerical solution of a singular integral equation.

    статья, добавлен 05.11.2018

  • The design of mass spectrometer on charge detection. The determination of mass distribution of various macromolecules and nanoparticles. Access to intrinsic features such as fragmentation patterns and unimolecular dissociation activation energy.

    статья, добавлен 30.07.2016

  • Mathematical modeling as an effective tool for solving very complex tasks of estimating heat reserves, choosing rational exploration schemes. Principles of design and optimization of geothermal field development systems and use in this modeling process.

    статья, добавлен 09.08.2022

  • The benefits of using improved magnetic materials for electric devices. The mechanism of effect of magnetic field on the formation of ferrite particles in the polymer matrix composites. The calculation of the amount of filler in a phase transition.

    статья, добавлен 30.07.2016

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу и оценить ее, кликнув по соответствующей звездочке.