HF Antenna Handbook : Calculated Radiation Patterns PDF Download
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Author: Communications Research Centre (Canada)
Publisher:
ISBN:
Category : Radio
Languages : en
Pages : 145
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Book Description
Author: Communications Research Centre (Canada)
Publisher:
ISBN:
Category : Radio
Languages : en
Pages : 145
Get Book Here
Book Description
Author: Y.T. Lo
Publisher: Springer Science & Business Media
ISBN: 9780442015930
Category : Technology & Engineering
Languages : en
Pages : 424
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Book Description
Volume II covers antenna theory and design, describing a number of antenna types, including receiving, wire and loop, horn, frequency-independent, microstrip, refelector, and lens antennas. This section also includes arrays, providing array theory as well as exploring waveguide-fed slot arrays, peiodic arrays, and aperiodic arrays.
Author: Valdis V. Liepa
Publisher:
ISBN:
Category : Antenna radiation patterns
Languages : en
Pages : 36
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Book Description
The feasibility of using physical optics approximation for computing radiation patterns of ground-based HF-VHF antennas in the presence of known ground irregularities is investigated. A computer program was written for physical optics formulation to evaluate the composite radiation patterns of a line source above an irregular, but deterministic, perfectly conducting surface. For the special case of a line source above a perfectly conducting plane with semicylindrical boss,the exact field expressions are derived, and the numerical results are compared with those obtained by physical optics for the same geometry. An error criterion that gives a meaningful error estimate at both the maxima and minima values of the radiation pattern is formulated and applied to the computed result. It is concluded that physical optics approximations can be used for predicting the radiation patterns of ground-based HF-VHF antennas.
Author: M. Safak
Publisher:
ISBN: 9789061440628
Category :
Languages : en
Pages : 69
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Book Description
Author: James A. Kuch
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 102
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Book Description
Author: Alan W. Rudge
Publisher: IET
ISBN: 9780906048870
Category : Science
Languages : en
Pages : 972
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Book Description
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Author: C. S. L. Keay
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 30
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Book Description
Author: Joseph J. Carr
Publisher: McGraw-Hill Companies
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 580
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Book Description
This second edition contains all-new BASIC computer programs for antenna design and impedance matching, expanded coverage of long-wire directional antennas and radio wave propagation theory, and new material on small loop direction-finding antennas. This book also covers circuits and methods for matching ante nna load impedance to an RF source or transmission line, plus information on antenna measurement and adjustment.
Author: Lal Chand Godara
Publisher: CRC Press
ISBN: 1420042149
Category : Technology & Engineering
Languages : en
Pages : 936
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Book Description
The move toward worldwide wireless communications continues at a remarkable pace, and the antenna element of the technology is crucial to its success. With contributions from more than 30 international experts, the Handbook of Antennas in Wireless Communications brings together all of the latest research and results to provide engineering professionals and students with a one-stop reference on the theory, technologies, and applications for indoor, hand-held, mobile, and satellite systems. Beginning with an introduction to wireless communications systems, it offers an in-depth treatment of propagation prediction and fading channels. It then explores antenna technology with discussion of antenna design methods and the various antennas in current use or development for base stations, hand held devices, satellite communications, and shaping beams. The discussions then move to smart antennas and phased array technology, including details on array theory and beamforming techniques. Space diversity, direction-of-arrival estimation, source tracking, and blind source separation methods are addressed, as are the implementation of smart antennas and the results of field trials of systems using smart antennas implemented. Finally, the hot media topic of the safety of mobile phones receives due attention, including details of how the human body interacts with the electromagnetic fields of these devices. Its logical development and extensive range of diagrams, figures, and photographs make this handbook easy to follow and provide a clear understanding of design techniques and the performance of finished products. Its unique, comprehensive coverage written by top experts in their fields promises to make the Handbook of Antennas in Wireless Communications the standard reference for the field.
Author: Joseph Carr
Publisher: Elsevier
ISBN: 0080493882
Category : Technology & Engineering
Languages : en
Pages : 264
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Book Description
Joe Carr has provided radio amateurs and short-wave listeners with the definitive design guide for sending and receiving radio signals with Antenna Toolkit 2nd edition.Together with the powerful suite of CD software, the reader will have a complete solution for constructing or using an antenna - bar the actual hardware! The software provides a simple Windows-based aid to carrying out the design calculations at the heart of successful antenna design. All the user needs to do is select the antenna type and set the frequency - a much more fun and less error prone method than using a conventional calculator to solve formulae. The new edition has been revised to include further cases of propagation, additional antennas and also two new chapters - Small Loop Antennas (a topic of considerable interest, which has been the subject of much recent debate in the amateur radio press); and Yagi Beam Antennas (widely used at HF and VHF). The CD software has also been updated.Joe Carr's expertise in the area of antenna design is legendary. Antenna designers, whether hobbyist or technician, can be assured they need look no further than Antenna Toolkit for the complete guide to understanding the practicalities of using and designing antennas today. A complete solution for antenna design in one package.Includes free CD-ROM with state of the art software for all design calculations.The definitive guide to antenna design for radio amateurs and short-wave listeners.
