The half-wave symmetric dipole
Determination of diameter of a opening, corner of a opening and focal distance of an optical-type antenna. Calculation of a space directional diagram and determination of parameters of the parabolic antenna. Constructive calculation of the antenna.
Рубрика | Математика |
Вид | реферат |
Язык | английский |
Дата добавления | 09.11.2015 |
Размер файла | 278,1 K |
Отправить свою хорошую работу в базу знаний просто. Используйте форму, расположенную ниже
Студенты, аспиранты, молодые ученые, использующие базу знаний в своей учебе и работе, будут вам очень благодарны.
Подобные документы
Investigation of the problem with non-local conditions on the characteristic and on the line of degeneracy . The solution of the modied Cauchy problem with initial data. The solution of singular integral equations. Calculation of the inner integral.
статья [469,4 K], добавлен 15.06.2015Research of the primitive quasi-harmonical triple-wave patterns in thin-walled cylindrical shells Tracking of distribution of a stable wave. Reception of the equations of nonlinear fluctuations in an environment according to the hypothesis of Kirhoff.
дипломная работа [221,9 K], добавлен 14.02.2010The great encyclopedic of the Middle Ages Abu Raihon Muhammad ibn Ahmad al-Beruniy, who had been famous with the pseudonym "Ptolemy". Measuring the Distance on the Ground and the Height of a Mountain. The Distances between the Celestial Bodies.
реферат [138,7 K], добавлен 21.03.2008The general law of circulation change across blade height. Determination of the axial turbine stages geometrical dimensions. Turbine stage calculation on the middle radius. Cinematic parameters determination on different turbine stage radiuses.
методичка [412,3 K], добавлен 26.05.2012Constructed and calculated at a three - phase rectifier working on active-inductive load. The review of constructive solutions. Calculation of rectifier working on active-inductive load. Principle of designed scheme operation, construction of the device.
курсовая работа [413,6 K], добавлен 10.08.2015Completing of the equivalent circuit. The permeance of the air-gaps determination. Determination of the steel magnetic potential drops, initial estimate magnetic flux through the air-gap. Results of the computation of electromagnet subcircuit parameters.
курсовая работа [467,8 K], добавлен 04.09.2012Development of the calculation procedures. Initial values of liquid density and dynamic viscosity of crude oil-gas mixes components at 200C and 0.1 MPa. Chart of experimental conditions and properties of crude oil saturated with natural gas samples.
статья [78,1 K], добавлен 21.03.2012Lines of communication and the properties of the fiber optic link. Selection of the type of optical cable. The choice of construction method, the route for laying fiber-optic. Calculation of the required number of channels. Digital transmission systems.
дипломная работа [1,8 M], добавлен 09.08.2016Basejumping - extreme sport, which uses a special parachute to jump from fixed objects: building, antenna, span. Hamboards kind of extreme sport, which is a symbiosis of surfing with skateboarding. Features of such sports as free ride, zorbing, encierro.
презентация [722,3 K], добавлен 09.11.2013Determination of wave-length laser during the leadthrough of experiment in laboratory terms by means of diagnostics of laser ray through the unique diffraction of cut. Analysis of results: length of fringe, areas and interrelation between factors.
лабораторная работа [228,4 K], добавлен 29.12.2010Mathematical model of the grinding grating bending process under the action of a meat product load parabolically decreasing along the radius. Determination of the deflection of a knife blade under the action of a parabolic load of the food medium.
статья [1,3 M], добавлен 20.10.2022The danger of cavitation and surface elements spillway structures in vertical spillway. Method of calculation capacity for vortex weirs with different geometry swirling device, the hydraulic resistance and changes in specific energy swirling flow.
статья [170,4 K], добавлен 22.06.2015The basic tendencies of making international educational structures with different goals. The principles of distance education. Distance learning methods based on modern technological achievements. The main features of distance education in Ukraine.
реферат [19,1 K], добавлен 01.11.2012General structure of a river petroleum storage depot. Calculation of reservoirs capacity for fuel storage, selecting of reservoirs type, its equipment. Selection of fuel purification means. Equipment for fuel distributing and distributing process itself.
контрольная работа [4,7 M], добавлен 17.11.2014Device, constructive – technological features, circuit of insert. Conditions of insert of the transistor. Static parameters. Physical processes. Differential coefficient of transmission of a current. Condition a splitting contact. Condition of saturation.
курсовая работа [129,2 K], добавлен 27.01.2003Potential investor - Coffee Day Holdings. Characterization of the investment object. General characteristics of the country's investment. Business conditions in the UK and promising markets. The factors that provide competitive advantages to firms.
бизнес-план [24,4 K], добавлен 12.01.2012Study the history of opening of the first grammar and boarding-schools. Description of monitorial system of education, when teacher teaches the monitors who then pass on their knowledge to the pupils. Analysis the most famous Universities in Britain.
презентация [394,4 K], добавлен 29.11.2011Aluminium as chemical element, history of his opening, basic properties, purviews in a production and in housekeeping. Finding of aluminium in nature, his prevalence and estimation of supplies in the earth. Cycle of industrial production of aluminium.
презентация [908,5 K], добавлен 06.02.2010Analyses o the current situation on the project and the development of their technical realization. Brief description of the existing zonal area network. Basic requirements for communication lines. Calculation of the required number of channels.
дипломная работа [771,0 K], добавлен 20.09.2016Concept and characteristics of focal pneumonia, her clinical picture and background. The approaches to the diagnosis and treatment of this disease, used drugs and techniques. Recent advances in the study of focal pneumonia. The forecast for recovery.
презентация [1,5 M], добавлен 10.11.2015