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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
This report summarizes the research activities carried out in the Electromagnetics and Microwave Laboratory, Department of Electrical Engineering, Texas A & M University. The project was sponsored by the U.S. Army Research Office under contract No. DAAH04-96-1-0372. The topics of investigation included mode stability in spatial power combining, active antenna transceivers and system applications, self-mixing active antennas, and novel uniplanar components. This final report for the period from August 1, 1996 through July 31, 1997 lists all the publications, which describe the supported research, along with the names of students who received the M.S. and Ph. D. degrees and contributed to the research.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
This report summarizes the research activities carried out in the Electromagnetics and Microwave Laboratory, Department of Electrical Engineering, Texas A & M University. The project was sponsored by the U.S. Army Research Office under contract No. DAAH04-96-1-0372. The topics of investigation included mode stability in spatial power combining, active antenna transceivers and system applications, self-mixing active antennas, and novel uniplanar components. This final report for the period from August 1, 1996 through July 31, 1997 lists all the publications, which describe the supported research, along with the names of students who received the M.S. and Ph. D. degrees and contributed to the research.
Author: Jean-Fu Kiang
Publisher: Springer Science & Business Media
ISBN: 1475741561
Category : Technology & Engineering
Languages : en
Pages : 617
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Book Description
Novel Technologies for Microwave and Millimeter-Wave Applications provides an overview of current research status in selected field, to facilitate a learning process from concepts to practices, from component design to system architecture, and from small scale to large scale. Each chapter focuses on a topic and is organized to be self-sufficient. Contents in each chapter include concise description of relevant background information, major issues, current trend and future challenges. Useful references are also listed for further reading. Novel Technologies for Microwave and Millimeter-Wave Applications is suitable as a textbook for senior or graduate courses in microwave engineering.
Author: Jaco du Preez
Publisher: Springer
ISBN: 3319350684
Category : Technology & Engineering
Languages : en
Pages : 165
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Book Description
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: Shigeo Kawasaki
Publisher:
ISBN:
Category : Antenna arrays
Languages : en
Pages : 161
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Book Description
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: Amir Mortazwi
Publisher: Wiley-IEEE Press
ISBN:
Category : Science
Languages : en
Pages : 360
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Book Description
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: Julio A. Navarro
Publisher: Wiley-Interscience
ISBN: 9780471049845
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
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:
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 302
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Book Description
Author: Yaser S. E. Abdo
Publisher:
ISBN: 9780494834039
Category :
Languages : en
Pages :
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Book Description
Author: Frédéric N. Arpin
Publisher:
ISBN:
Category : Antenna arrays
Languages : en
Pages : 228
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Book Description
Author: Carlos Enrique Saavedra-Munoz
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Book Description
