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Many individual technological solutions for microwave applications in industries have been developed without a clear pattern for a key strategy to replace conventional industrial technologies. In this work, the author shows how a modular microwave system line for very homogenous microwave fields is originated. "Energy Efficient Microwave Technologies" is designed for engineers and scientists from industry and academic research. The number of applications of this new technology is enormous: In this book, applications in the avionic field are shown as well as new methods in microwave materials processing for composite materials including new quantum aspects on microwave heating.
Microwaves can be effectively used in the processing of industrial materials under a wide range of conditions. However, microwave processing is complex and multidisciplinary in nature, and a high degree of technical knowledge is needed to determine how, when, and where the technology can be most profitably utilized. This book assesses the potential of microwave technology for industrial applications, reviews the latest equipment and processing methods, and identifies both the gaps in understanding of microwave processing technology and the promising development opportunities that take advantage of this new technology's unique performance characteristics.
This volume, RF and Microwave Applications and Systems, includes a wide range of articles that discuss RF and microwave systems used for communication and radar and heating applications. Commercial, avionics, medical, and military applications are addressed. An overview of commercial communications systems is provided. Past, current, and emerging cellular systems, navigation systems, and satellite-based systems are discussed. Specific voice and data commercial systems are investigated more thoroughly in individual chapters that follow. Detailed discussions of military electronics, avionics, and radar (both military and automotive) are provided in separate chapters. A chapter focusing on FR/microwave energy used for therapeutic medicine is also provided. Systems considerations including thermal, mechanical, reliability, power management, and safety are discussed in separate chapters. Engineering processes are also explored in articles about corporate initiatives, cost modeling, and design reviews. The book closes with a discussion of the underlying physics of electromagnetic propagation and interference. In addition to new chapters on WiMAX and broadband cable, nearly every existing chapter features extensive updates and several were completely rewritten to reflect the massive changes areas such as radio navigation and electronic warfare.
Microwave systems are key components of every modern wireless communication system. The main objective of this book was to collect as many different state-of-the-art studies as possible in order to cover in a single volume the main aspects of microwave systems and applications. This book contains 17 chapters written by acknowledged experts, researchers, academics, and microwave engineers, providing comprehensive information and covering a wide range of topics on all aspects of microwave systems and applications. This book is divided into four parts. The first part is devoted to microwave components. The second part deals with microwave ICs and innovative techniques for on-chip antenna design. The third part presents antenna design cases for microwave systems. Finally, the last part covers different applications of microwave systems.
Microwave-assisted alkaline hydrolysis of PET can be 20 times faster and at lower temperatures. This work presents a novel industrial microwave applicator at 2.45 GHz with homogeneous distribution to support this reaction, which allows an efficient and continuous operation. In addition, an innovative dielectric and calorimetric measurements setup is presented. Furthermore, the modelling of the reaction kinetics based on the measured dielectric parameters is presented.
Of particular interest is the efficient harvesting of low power RF signals, which would possibly mean range improvements for dedicated microwave power transmission and considerably more DC power from ambient RF energy harvesting. Hence, in this dissertation, we propose a new class of microwave energy harvesting system which exhibits substantially improved conversion efficiency than the ones available off-the-shelf or in literature. The enhancement is due to novel rectifier circuits that can approach theoretical efficiency bounds by handling the best components on the market.
Microwave System Engineering Principles focuses on the calculus, differential equations, and transforms of microwave systems. This book discusses the basic nature and principles that can be derived from thermal noise; statistical concepts and binomial distribution; incoherent signal processing; basic properties of antennas; and beam widths and useful approximations. The fundamentals of propagation; LaPlace's Equation and Transmission Line (TEM) waves; interfaces between homogeneous media; modulation, bandwidth, and noise; and communications satellites are also deliberated in this text. This book is a good source for students and individuals intending to gain knowledge on numbers, formulas, and relationships relevant to the field of microwaves.
Packet microwave systems were introduced to bring the all-IP paradigm into the microwave transmission domain. The approach taken by this book is to define a "reference" packet microwave system, highlighting the main functional and technical characteristics. In the first part the characteristics that are foundational to a packet microwave are compared to hybrid systems. The interworking function and the data awareness function are analyzed and the architecture of a packet microwave is also discussed. The second part deals with the benefits of packet microwave systems in scalability, operational flexibility, and networking. Capacity mechanisms (adaptive modulation, packet compression methods and radio-LAG algorithms) are analyzed and the microwave applications (split-mount, full-outdoor and IP-enabled) discussed. Examples of how packet microwave systems are employed in LTE mobile backhaul networks are shown. The role of layer 2 (Carrier Ethernet) and layer 3 (IP/MPLS) microwave is discussed. The final part looks at the evolution of packet microwave technologies. The role of SDN, SON, energy efficiency, millimeter-wave technologies, increased spectrum efficiency (H-QAM) is discussed.