Active Antennas And Spatial Power Combining Arrays PDF Download
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| Author | : Julio A. Navarro |
| Publisher | : Wiley-Interscience |
| Total Pages | : 0 |
| Release | : 1996-08-23 |
| Genre | : Technology & Engineering |
| ISBN | : 9780471049845 |
Download Integrated Active Antennas and Spatial Power Combining Book in PDF, ePub and Kindle
This is the only book currently available that covers this subject. The authors piece together information from diverse areas which is essential to understand integrated and integrated active antennas. Emphasis is placed on active antennas and power combining applications, consolidating the work from numerous researchers. Early chapters lay the foundation for oscillator, antenna, array and power combining theory. Chapter five discusses important testing parameters and techniques for active antenna measurements and includes definitions for equivalent isotropic radiated power, locking gain and locking bandwidth. The last chapter sheds light on beam steering, a more recent development in active antenna arrays. Contains over 200 illustrations.
| Author | : Zhengping Ding |
| Publisher | : |
| Total Pages | : 306 |
| Release | : 1996 |
| Genre | : |
| ISBN | : |
Download Active Antennas and Spatial Power Combining Arrays Book in PDF, ePub and Kindle
| Author | : Amir Mortazwi |
| Publisher | : Wiley-IEEE Press |
| Total Pages | : 360 |
| Release | : 1999 |
| Genre | : Science |
| ISBN | : |
Download Active Antennas and Quasi-Optical Arrays Book in PDF, ePub and Kindle
Electrical Engineering Active Antennas and Quasi-Optical Arrays Whether communications, radar, transportation, or defense drives your interest in solid-state devices at microwave and millimeter-wave frequencies, this ready reference book provides you with a useful review of quasi-optical power combining and active integrated antennas. Brought to you in one convenient volume are key reprinted papers from leading experts in microwave technology. Their valuable perspectives range from the most current advances to historical developments. Included as a special feature is an invited paper, never-before-published, which presents an overview of quasi-optical power combining by noted authority J. W. Mink and colleagues. You will discover other helpful highlighted topics such as: Transmitting and receiving active antennas Spatial power combining oscillators Spatial combining amplifiers Beam control Active integrated antennas and quasi-optical systems Analysis and CAD Emerging technologies—two dimensional quasi-optics
| Author | : Shigeo Kawasaki |
| Publisher | : |
| Total Pages | : 161 |
| Release | : 1993 |
| Genre | : Antenna arrays |
| ISBN | : |
Download Planar Active Antennas and Quasi-optical Power Combining Arrays Using FET's and Slots Book in PDF, ePub and Kindle
This report presents design concepts and experimental data of planar active antenna and quasi-optical power combining arrays with strong coupling to realize a compact and low-cost radar and communication system. The prototype circuits for this purpose were made in a layered configuration using microstrip lines and in a uniplanar structure using CPW's. As an active source, an FET was selected. As a unit cell of the power combining array, a single layered active antenna using microstrip lines and slots was fabricated. In the design, small signal S-parameters were used to determine the circuit configuration while a large signal analysis to the entire circuit involving the slot antenna input impedance was carried out. The circuit designed for 10 GHz was found to operate at 9.3 GHz and the other designed for 25 GHz at 24 GHz. In addition, the circuit with CPW's and slot designed for 10 GHz was found to operate at 8.6 GHz. Based on these successful results, linear power combining arrays were made. For the strong coupling, each oscillator output is connected by a single transmission line. Several 6-element microstrip arrays and a 4-element CPW array were fabricated. In the former, sharp main beams were obtained. To obtain a millimeter-wave operating frequency, the second harmonic spatial power combining array made with FET's were demonstrated around 40 GHz. To show a topology of a 2-dimensional array, a 16-element dual polarized array at 7.8 GEL was made. To obtain the maximum in-phase radiation signal, impedance matching, a phase of the radiation signal and a signal phase of each oscillator were taken into account ... Active antenna, Quasi-optical technique, Optical control, Spatial power combiner.
| Author | : Robert A. York |
| Publisher | : Wiley-Interscience |
| Total Pages | : 560 |
| Release | : 1997-04-11 |
| Genre | : Technology & Engineering |
| ISBN | : |
Download Active and Quasi-Optical Arrays for Solid-State Power Combining Book in PDF, ePub and Kindle
A detailed and timely overview of recent developments in active quasi-optical arrays In recent years, active quasi-optics has emerged as one of the most dynamic fields of contemporary research—a highly unconventional approach to microwave and millimeter-wave power generation that integrates solid-state devices into a single quasi-optical component in which all devices operate in unison. This book defines and describes active quasi-optical arrays, reviews the current state of the art, and answers numerous basic and technical questions on the design, analysis, and application of these devices. The contributors to this volume are leading researchers in the field who present results and views from government, industrial, and university laboratories and offer a balanced discussion on a high technical level. They also offer insight into the applicability and commercial value of this technology for military systems, manufacturing processes, communications, and consumer products. Topics presented include: Analysis and design methodologies for quasi-optical active arrays Power-added and power-combining efficiencies of quasi-optical amplifier arrays Phase-shifterless beam steering in oscillator and amplifier arrays Integrating quasi-optical active components into a compact subsystem Design and fabrication of quasi-optical oscillators, amplifiers, multipliers, and tuners Characterization and measurement of quasi-optical components
| Author | : Michael Alan Forman |
| Publisher | : |
| Total Pages | : 308 |
| Release | : 2001 |
| Genre | : Antenna arrays |
| ISBN | : |
Download Active Antenna Arrays for Power Combining and Communications Book in PDF, ePub and Kindle
| Author | : Mark John Vaughan |
| Publisher | : |
| Total Pages | : 416 |
| Release | : 1996 |
| Genre | : |
| ISBN | : |
Download Millimeter-wave Oscillators and Power-combining Arrays for Commercial Wireless Applications Book in PDF, ePub and Kindle
| Author | : Jaco du Preez |
| Publisher | : Springer |
| Total Pages | : 165 |
| Release | : 2016-06-20 |
| Genre | : Technology & Engineering |
| ISBN | : 3319350684 |
Download Millimeter-Wave Antennas: Configurations and Applications Book in PDF, ePub and Kindle
This book comprehensively reviews the state of the art in millimeter-wave antennas, traces important recent developments and provides information on a wide range of antenna configurations and applications. While fundamental theoretical aspects are discussed whenever necessary, the book primarily focuses on design principles and concepts, manufacture, measurement techniques, and practical results. Each of the various antenna types scalable to millimeter-wave dimensions is considered individually, with coverage of leaky-wave and surface-wave antennas, printed antennas, integrated antennas, and reflector and lens systems. The final two chapters address the subject from a systems perspective, providing an overview of supporting circuitry and examining in detail diverse millimeter-wave applications, including high-speed wireless communications, radio astronomy, and radar. The vast amount of information now available on millimeter-wave systems can be daunting for researchers and designers entering the field. This book offers readers essential guidance, helping them to gain a thorough understanding based on the most recent research findings and serving as a sound basis for informed decision-making.
| Author | : Ronald J. Pogorzelski |
| Publisher | : John Wiley & Sons |
| Total Pages | : 382 |
| Release | : 2012-07-18 |
| Genre | : Technology & Engineering |
| ISBN | : 1118309979 |
Download Coupled-Oscillator Based Active-Array Antennas Book in PDF, ePub and Kindle
Describing an innovative approach to phased-array control in antenna design This book explores in detail phased-array antennas that use coupled-oscillator arrays, an arrangement featuring a remarkably simple beam steering control system and a major reduction in complexity compared with traditional methods of phased-array control. It brings together in one convenient, self-contained volume the many salient research results obtained over the past ten to fifteen years in laboratories around the world, including the California Institute of Technology's Jet Propulsion Laboratory. The authors examine the underlying theoretical framework of coupled-oscillator systems, clearly explaining the linear and nonlinear formalisms used in the development of coupled-oscillator arrays, while introducing a variety of state-of-the-art methodologies, design solutions, and tools for applying this control scheme. Readers will find: Numerous implementation examples of coupled-oscillator array prototypes A continuum model that permits application of diffusion theory to the analysis of phase dynamics A demonstration of the array behavior through experimental results that validate the linearized theory Examples of how incorporating coupling delay restores causality, including the latest published results Guidance on how to accurately analyze and optimize coupled-oscillator arrays using modern simulation tools A review of current developments, including the design of compact couple-oscillator array antennas Complete with 150 diagrams and photographs, Coupled-Oscillator Based Active-Array Antennas is a highly useful tutorial for antenna designers and a valuable reference for researchers and engineers wishing to learn about this cutting-edge technology.
| Author | : |
| Publisher | : |
| Total Pages | : 302 |
| Release | : 1992 |
| Genre | : Military research |
| ISBN | : |
Download Research in Progress Book in PDF, ePub and Kindle
