Please click button to get antenna and wave propagation book now. All books are in clear copy here, and all files are secure so don't worry about it. This site is like a library, you could find million book here by using search box in the widget. Author by : K. Bakshi Language : en Publisher by : Technical Publications Format Available : PDF, ePub, Mobi Total Read : 50 Total Download : 499 File Size : 44,9 Mb Description : Antenna Fundamentals Introduction, Radiation mechanism - Single wire, 2 wire, Dipoles, Current distribution on a thin wire antenna. Antenna parameters - Radiation patterns, Patterns in principal planes, Main lobe and side lobes, Beamwidths, Beam area, Radiation intensity, Beam efficiency, Directivity, Gain and resolution, Antenna apertures, Aperture efficiency, Effective height related problems. Thin Linear Wire AntennasRetarded potentials, Radiation from small electric dipole, Quarterwave monopole and halfwave dipole - Current distributions, Evaluation of field components, Power radiated, Radiation resistance, Beamwidths, Directivity, Effective area and effective height. Natural current distributions, Fields and patterns of thin linear center-fed antennas of different lengths, Radiation resistance at a point which is not current maximum. Antenna theorems - Applicability and proofs for equivalence of directional characteristics, Loop antennas : Small loops - Field components, Comparison of far fields of small loop and short dipole, Concept of short magnetic dipole, D and R relations for small loops. Antenna Arrays2 element arrays - Different cases, Principle of pattern multiplication, N element uniform linear arrays - Broadside, Endfire arrays, EFA with increased directivity, Derivation of their characteristics and comparison; Concept of scanning arrays, Directivity relations no derivations , Related problems, Binomial arrays, Effects of uniform and non-uniform amplitude distributions, Design relations. Non-Resonant RadiatorsIntroduction, Travelling wave radiators - Basic concepts, Longwire antennas - Field strength calculations and patterns, V-antennas, Rhombic antennas and design relations, Broadband antennas : Helical antennas - Significance, Geometry, Basic properties; Design considerations for monofilar helical antennas in axial mode and normal modes Qualitative treatment. VHF, UHF and Microwave Antennas - IArrays with parasitic elements, Yagi-Uda arrays, Folded dipoles and their characteristics. VHF, UHF and Microwave Antennas - IIHorn antennas - Types, Optimum horns, Design characteristics of pyramidal horns; Lens antennas - Geometry, Features, Dielectric lenses and zoning, Applications. Antenna measurements - Patterns required, setup, Distance criterion, Directivity and gain measurements Comparison, Absolute and 3-Antenna methods. Wave Propagation - IConcepts of propagation, Frequency ranges and types of propagations. Ground wave propagation - Characteristics, Parameters, Wave tilt, Flat and spherical earth considerations. Sky wave propagation - Formation of ionospheric layers and their characteristics, Mechanism of reflection and refraction, Critical frequency, MUF and skip distance - Calculations for flat and spherical earth cases, Optimum frequency, LUHF, Virtual height, Ionospheric abnormalities, Ionospheric absorption. Wave Propagation - IIFundamental equation for free-space propagation, Basic transmission loss calculations. Space wave propagation - Mechanism, LOS and radio horizon. Tropospheric wave propagation - Radius of curvature of path, Effective earth's radius, Effect of earth's curvature, Field strength calculations, M-curves and Duct propagation, Tropospheric scattering. Author by : A. Mathur Language : en Publisher by : Scientific Publishers Format Available : PDF, ePub, Mobi Total Read : 41 Total Download : 741 File Size : 54,6 Mb Description : This book is designed for the final year students in electronics and communication and for the first year post graduate students in Digital Communication and allied subjects. It is written as per the revised syllabus of Rajasthan Technical University RTU , Kota. It covers the topics, of fundamentals of antenna, types of antenna, antenna arrays, radio propagation modes, with basics of IE3D software and advance antenna topics. Features: According to the syllabus prescribed by Rajasthan Technical University RTU , Kota. Including previous year's university papers. Precise definitions and clear exposure of fundamental concepts. Simple and easy explanation of the topics along with well labelled diagrams. Step by step procedure is followed for explaining the topics. Detailed coverage of advance antennas, helpful for the post graduation students. The recent applications of antenna are also summarized here again proving fruitful for the M. IE3D software basic is been included for the purpose of dissertation for M. Ideally suitable for self study. Author by : Kamal Kishore Language : en Publisher by : I. International Pvt Ltd Format Available : PDF, ePub, Mobi Total Read : 79 Total Download : 746 File Size : 48,6 Mb Description : The aim of this book is to give an introduction to the fundamental principles of antennas and wave propagation. Unlike other books available, there is more emphasis on mathematical explanation in addition to physical understanding. Physical principles are explained in detail with clear diagrams to support the theory. Author by : K. Bakshi Language : en Publisher by : Technical Publications Format Available : PDF, ePub, Mobi Total Read : 82 Total Download : 403 File Size : 46,5 Mb Description : Physical concept of radiation in single wire, Two wire and dipole, Current distribution on a thin wire antenna. Fundamental Parameters of AntennaRadiation pattern, Radiation power density, Radiation intensity, Directivity, Gain, Antenna efficiency, Beamwidth, Bandwidth, Polarization, Antenna input impedance, Elementary idea about self and mutual impedance, Radiation efficiency, Effective aperture, Antenna temperature. Linear Wire AntennasRetarded potential, Infinitesimal dipole, Current distribution of short dipole and half wave dipole, Far-field, Radiating near-field and reactive near-field region, Monopole and half wave dipole. Antenna ArraysArray of two point sources, Array factor, n-element linear array with uniform amplitude and spacing, Analysis of broadside array, Ordinary end-fire array, Hansen-Woodyard end fire array, n-element linear array with non-uniform spacing, Analysis of binomial and Dolph-Tchebyscheff array, Scanning array, Superdirective array. Aperture AntennasField equivalence principle, Rectangular and circular aperture antennas, Horn antenna, Babinet's principle, Slot antenna, Reflector antenna. Ground Wave PropagationFriis free space equation, Reflection from earth's surface, Surface and space wave propagation for vertical and horizontal dipole, Field strength of space wave, Range of space wave propagation, Effective earth's radius, Effect of earth imperfections and atmosphere on space wave propagation, Modified refractive index, Duct propagation, Tropospheric propagation. Ionospheric PropagationStructure of ionosphere, Propagation of radio waves through ionosphere, Refractive index of ionosphere, Reflection and refraction of waves by ionosphere, Critical frequency, Maximum usable frequency, Optimum working frequency, Lowest usable high frequency, Virtual height, Skip distance, Effect of earth's magnetic field. Author by : A. Harish Language : en Publisher by : Oxford University Press, USA Format Available : PDF, ePub, Mobi Total Read : 55 Total Download : 129 File Size : 51,8 Mb Description : Aimed at a single-semester course on antennas at the undergraduate level, Antennas and Wave Propagation provides a lucid explanation of the fundamentals of antennas and propagation. This student-friendly text also includes simple design procedures along with a large number of examples and exercises. Author by : Vijay Kumar Salvia Language : en Publisher by : Firewall Media Format Available : PDF, ePub, Mobi Total Read : 36 Total Download : 613 File Size : 52,6 Mb Description : Discusses general concepts and illustrates them with specific examples and references from a variety of antenna systems. Thsi title covers contents related to antenna arrays. It examines more than 100 common antenna working behaviour questions. It clarifies what you need to know about antenna arrays in a 3D manner and various arrangements. Author by : KUMAR, SANJAY Language : en Publisher by : PHI Learning Pvt. Format Available : PDF, ePub, Mobi Total Read : 89 Total Download : 748 File Size : 48,6 Mb Description : The book is primarily designed to cater to the needs of undergraduate and postgraduate students of Electronics and Communication Engineering and allied branches. It also caters for fundamental requirements of professionals working on design and development of antenna and wave propagation related equipment either in research laboratories or industries or academic institutions elsewhere. The book has been written with intent to grasp the basic understanding of theoretical as well as practical aspects of electromagnetic wave propagation and antenna engineering. The book broaches very well on practical methods of parametric measurements of antenna with right measuring test equipment and associated tools. The last chapter of the book is dedicated to advance technology adopted in design and development of modern antenna.
