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| Author | : Kowalewski, Jerzy |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 182 |
| Release | : 2020-06-08 |
| Genre | : Technology & Engineering |
| ISBN | : 3731509970 |
| Author | : Li, Yueheng |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 246 |
| Release | : 2024-02-23 |
| Genre | : |
| ISBN | : 373151334X |
Accompanied with the development of the wireless communication technologies, the high data traffic is more necessary for civil and industrial applications than ever The concept of an intelligent reflective surface (IRS) has attracted considerable attention recently as a low-cost solution. As the main contribution, the dissertation creates new state-of-the-art and formulates a solid milestone for the IRS research field.
| Author | : Ninos, Alexandros |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 164 |
| Release | : 2022-10-27 |
| Genre | : Technology & Engineering |
| ISBN | : 3731512254 |
The aim of this work is the development of a Radar system for consumer applications. It is capable of tracking multiple people in a room and offers a touchless human-machine interface for purposes that range from entertainment to hygiene.
| Author | : Diewald, Axel |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 190 |
| Release | : 2023-08-15 |
| Genre | : |
| ISBN | : 3731512963 |
Radar target simulators (RTSs) deceive a radar under test (RuT) by creating an artificial environment consisting of virtual radar targets. In this work, new techniques are presented that overcome the rasterization deficiency of current RTS systems and enable the generation of virtual targets at arbitrary high-precision positions. This allows for continuous movement of the targets and thus a more credible simulation environment.
| Author | : Abadpour, Sevda |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 194 |
| Release | : 2023-11-20 |
| Genre | : |
| ISBN | : 3731513161 |
During the evolvement of autonomous driving technology, obtaining reliable 3-D environmental information is an indispensable task in approaching safe driving. The operational behavior of automotive radars can be precisely evaluated in a virtual test environment by modeling its surrounding, specifically vulnerable road users (VRUs). Such a realistic model can be generated based on the radar cross section (RCS) and Doppler signatures of a VRU. Therefore, this work proposes a high-resolution RCS measurement technique to determine the relevant scattering points of different VRUs.
| Author | : Yu Zhou |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : 9780494858097 |
| Author | : Hema Swaroop Mopidevi |
| Publisher | : |
| Total Pages | : |
| Release | : 2014 |
| Genre | : |
| ISBN | : |
The main goal of this research is to develop a new type of antenna, called reconfigurable antenna, which can replace multiple antennas required to enhance the effectiveness of a robust communication system. A recongurable antenna integrated with switching elements can dynamically change its properties, namely, frequency of operation, radiation pattern (the three-dimensional coverage of antenna), and polarization (the electrical orientation of the antenna). Depending on the requirement, a single antenna can function as multiple an- tennas, therefore, the name Multi-functional Recongurable Antenna (MRA). United States (US) Public Safety (PS) responders (police, re-ghters, emergency medical services, etc.) can eectively respond to human-made or natural catastrophies if they are equipped with robust communication systems supported by MRA. Wireless implementations of computer accessories (wireless HDMI, wireless storage to external hard-drive, etc.) that require high speed data communication are supported by 60 GHz communications. Equipping these devices with MRA could further increase the speed of communication, thereby resulting in a robust communication. In this work, pin-diodes and Micro Electro Mechanical Switches (MEMS) are integrated on the MRAs to reconfigure (dynamically change) its properties namely frequency and radiation pattern. An MRA capable of operating over 220, 470, 800, 4900 MHz PS bands is designed, manufactured, tested, and characterized. Another MRA capable of changing its radiation pattern over 4.94-4.99 GHz band is designed, manufactured, tested, and characterized. The design of radiation pattern recongurable MRA and Multi-functional Reconfigurable Antenna Array (MRAA) for 60 GHz communication is also accomplished. The MRAA is designed in order to enhance the MRA's capability to receive or transmit more power.
| Author | : Yingjie Jay Guo |
| Publisher | : John Wiley & Sons |
| Total Pages | : 795 |
| Release | : 2022-07-20 |
| Genre | : Technology & Engineering |
| ISBN | : 1119813905 |
ANTENNA AND ARRAY TECHNOLOGIES FOR FUTURE WIRELESS ECOSYSTEMS Discover a timely and accessible resource on the latest antenna research driving new developments in the field In Antenna and Array Technologies for Future Wireless Ecosystems, distinguished academics and authors Drs. Y. Jay Guo and Richard W. Ziolkowski deliver a cutting-edge resource for researchers, academics, students, and engineers who need the latest research findings on the newest challenges facing antenna designers who will be creating the technology that drives future 6G and beyond wireless systems and networks. This timely and impactful book offers the fundamental knowledge that will facilitate new research activities in the antennas and applied electromagnetics communities, and conveys innovative and practical solutions to many wireless industry problems. Its international cohort of leading authors delivers their findings on a variety of advanced topics in antenna and array research, including metasurface antennas; electrically small directive antennas; RF, millimeter-wave and THz antennas and arrays; atom-based sensors, and arrays of quantum emitters. The book also includes resources that cover the important topics: A thorough introduction to various intelligent and low-cost beam scanning, beamforming and beam-reconfigurable array technologies to support dynamic networking of future systems An exploration of advanced techniques for analyzing large arrays, as well as an examination of advanced antenna-in-package technologies for future mm-wave systems Discussions of the latest research on electrically small and extremely large hybrid antenna arrays, and photonic beamforming networks to address spectrum scarcity in future systems Low form-factor, low energy-consumption, and wireless power transfer antennas for the Internet of Things (IoT) This book is the companion of the Wiley book by the same authors, Advanced Antenna Array Engineering for 6G and Beyond Wireless Communications. Perfect for antenna engineers in academia and industry, Antenna and Array Technologies for Future Wireless Ecosystems will also be an essential resource in the libraries of senior undergraduate and graduate students studying antenna engineering applied electromagnetics and seeking a one-stop reference for state-of-the-art global antenna and antenna array research activities.
| Author | : Victor Rabinovich |
| Publisher | : CRC Press |
| Total Pages | : 330 |
| Release | : 2017-12-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1439804095 |
The steady evolution of wireless communication technologies continues to pave the way for the implementation of innovative services and devices in modern vehicles. These include analog and digital audio broadcasting radio, satellite radio, GPS, cell phones, and short range communication devices. Such applications require the use multiple antennas operating in different frequency ranges. Automotive Antenna Design and Applications thoroughly examines traditional and new advanced automotive antennas, including the principles, designs, and techniques used to reduce antenna dimensions without significant degradation of communication quality. The contents of this book are based on cutting-edge data collected from numerous technical papers, patents, and patent applications. It presents an overview of many commercially available automotive antennas and covers features that have become standard in automotive applications, such as printed-on car glass antennas, reduced-size helical antennas, multiband compact, printed-on dielectric and patch designs in a single package. Includes simulation examples of antenna parameters that significantly speed up the design process using software packages such as FEKO, NEC, IE3D, and Genesys Highlighting the practical aspects of antenna design, the authors present passive and active designs and describe the entire design process, including antenna simulation, prototype sample fabrication, and laboratory test measurements. The book also covers the production adjustments that can result from the demands of the real car environment. The presentation of numerous examples of passive and active automotive antennas greatly enhances this reference’s value to professionals, students, and anyone else working in the ever-evolving field of antenna design and application.
| Author | : |
| Publisher | : |
| Total Pages | : 648 |
| Release | : 2006 |
| Genre | : Dissertations, Academic |
| ISBN | : |
