Electronic Beam Steering And Polarization Agile Planar Antennas In Liquid Crystal Technology
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Author | : Onur Hamza Karabey |
Publisher | : Springer Science & Business Media |
Total Pages | : 177 |
Release | : 2013-08-04 |
Genre | : Technology & Engineering |
ISBN | : 3319014242 |
Download Electronic Beam Steering and Polarization Agile Planar Antennas in Liquid Crystal Technology Book in PDF, Epub and Kindle
This book describes the characterization of liquid crystal materials at microwave frequencies and the usage of these materials in reconfigurable planar antennas and in their electrical tunable components. It reports for the first time the realization of a two-dimensional electronic beam steering antenna and polarization agile planar antennas with liquid crystal display technology. It gives a detailed description of all the theoretical analyses, modeling and design methods that were involved in the realization of these devices as well as their validation using measurement of demonstrative prototypes. This book also shows that low profile, low cost, high gain, electronic beam steering and polarization agile antennas can be fabricated in larger sizes by using existing automated liquid crystal display manufacturing techniques. The innovative ideas and method described in this work represent a considerable advancement in the field of electronically reconfigurable antennas based on liquid crystal technology and are expected to draw significant interest in the future. Such antennas may become important, for example, in mobile terminals integrated into the body of laptops (in the cover) or of automobiles (in the rooftop), ships or boats, for which flat, low-profile and low-cost antennas are required.
Author | : Philippe Ferrari |
Publisher | : Cambridge University Press |
Total Pages | : 457 |
Release | : 2022-05-26 |
Genre | : Technology & Engineering |
ISBN | : 1107102472 |
Download Reconfigurable Circuits and Technologies for Smart Millimeter-Wave Systems Book in PDF, Epub and Kindle
Describes the theory, modeling, and design of tunable mm-wave circuits and systems using CMOS, RF MEMS, and microwave liquid crystals.
Author | : Anyong Qing |
Publisher | : Springer Nature |
Total Pages | : 283 |
Release | : |
Genre | : |
ISBN | : 9819989132 |
Download Microwaves, Millimeter Wave and Terahertz Liquid Crystals Book in PDF, Epub and Kindle
Author | : Matthias Maasch |
Publisher | : Springer |
Total Pages | : 151 |
Release | : 2016-01-23 |
Genre | : Technology & Engineering |
ISBN | : 3319281798 |
Download Tunable Microwave Metamaterial Structures Book in PDF, Epub and Kindle
This book presents original findings on tunable microwave metamaterial structures, and describes the theoretical and practical issues involved in the design of metamaterial devices. Special emphasis is given to tunable elements and their advantages in terms of feeding network simplification. Different biasing schemes and feeding network topologies are presented, together with extensive prototype measurements and simulations. The book describes a novel, unique solution for beam steering and beam forming applications, and thus paves the way for the diffusion of new agile communication system components. At the same time, it provides readers with an outstanding and timely review of wave propagation in periodic structures, tunability of metamaterials and the technological constraints that need to be considered in the design of reconfigurable microwave components.
Author | : Lu Yang |
Publisher | : |
Total Pages | : 348 |
Release | : 2007 |
Genre | : |
ISBN | : |
Download Microwave/millimeter-wave Beam Steering/shaping Phased Antenna Arrays and Planar Imaging Antenna Arrays for Plasma Diagnostic Application Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1146 |
Release | : 1993 |
Genre | : Aeronautics |
ISBN | : |
Download International Aerospace Abstracts Book in PDF, Epub and Kindle
Author | : John S. Williams |
Publisher | : SciTech Publishing |
Total Pages | : 356 |
Release | : 2020-12-10 |
Genre | : Technology & Engineering |
ISBN | : 1785619292 |
Download Electronic Scanned Array Design Book in PDF, Epub and Kindle
Electronic Scanned Array Design covers the fundamental principles of ESA antennas including basic design approaches and inherent design limitations. These insights enable better appreciation of existing and planned ESA systems including their application to earth observation. The material describes general design principles of aperture antennas applied to the specific case of ESA design.
Author | : John Huang |
Publisher | : John Wiley & Sons |
Total Pages | : 320 |
Release | : 2007-11-09 |
Genre | : Technology & Engineering |
ISBN | : 9780470178768 |
Download Reflectarray Antennas Book in PDF, Epub and Kindle
Describes the configuration and principles of a reflectarray antenna, its advantages over other antennas, the history of its development, analysis techniques, practical design procedures, bandwidth issues and wideband techniques, as well as applications and recent developments. Both authors are well respected practitioners who have build these antennas and developed them for space flight.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 321 |
Release | : 2014-03-14 |
Genre | : Technology & Engineering |
ISBN | : 0309302196 |
Download Laser Radar Book in PDF, Epub and Kindle
In today's world, the range of technologies with the potential to threaten the security of U.S. military forces is extremely broad. These include developments in explosive materials, sensors, control systems, robotics, satellite systems, and computing power, to name just a few. Such technologies have not only enhanced the capabilities of U.S. military forces, but also offer enhanced offensive capabilities to potential adversaries - either directly through the development of more sophisticated weapons, or more indirectly through opportunities for interrupting the function of defensive U.S. military systems. Passive and active electro-optical (EO) sensing technologies are prime examples. Laser Radar considers the potential of active EO technologies to create surprise; i.e., systems that use a source of visible or infrared light to interrogate a target in combination with sensitive detectors and processors to analyze the returned light. The addition of an interrogating light source to the system adds rich new phenomenologies that enable new capabilities to be explored. This report evaluates the fundamental, physical limits to active EO sensor technologies with potential military utility; identifies key technologies that may help overcome the impediments within a 5-10 year timeframe; considers the pros and cons of implementing each existing or emerging technology; and evaluates the potential uses of active EO sensing technologies, including 3D mapping and multi-discriminate laser radar technologies.
Author | : Carlyle J. Sletten |
Publisher | : Artech House Publishers |
Total Pages | : 464 |
Release | : 1988 |
Genre | : Technology & Engineering |
ISBN | : |
Download Reflector and Lens Antennas Book in PDF, Epub and Kindle