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Radio Frequency Principles And Applications

Author: Albert A. Smith
Publisher: IEEE
ISBN: 9780780369009
Size: 26.52 MB
Format: PDF, ePub
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Now in one convenient volume you can have all the information you need on real-world applications of electromagnetic theory, including the prediction, analysis, and measurement of electromagnetic fields and their effects. Radio Frequency Principles and Applications will guide you from the basics of electromagnetic theory to a full range of new and vital applications.

Radio Frequency Heating In Food Processing

Author: George B. Awuah
Publisher: CRC Press
ISBN: 143983704X
Size: 69.68 MB
Format: PDF, ePub
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Radio-Frequency Heating in Food Processing: Principles and Applications covers the fundamentals of radio-frequency (RF) heating and the use of RF-heating technologies in modern food processing, preservation, and related industries. Focusing on industrial and lab-scale applications where RF heating has been employed successfully or reported to have potential benefits over conventional heating options, this state-of-the-art reference: Explains the similarities, differences, advantages, and limitations of RF and microwave heating as applied to agricultural products Describes fiber-optics temperature sensors and their utility in monitoring temperature during RF and microwave heating Discusses the dielectric and thermo-physical properties of agricultural products amenable to RF and microwave heating, presenting measurement techniques, mathematical concepts, and computer simulation models Provides practical perspectives on industrial RF units used in manufacturing food products, addressing free-running oscillators and 50-Ω designs for RF heaters and applicators Uses finite-element formulations to determine design parameters including resonant modes, circuit impedance, and electric field distribution in RF applicators Examines RF-heating effects on microorganisms, enzymes, and food quality attributes for products such as poultry, beef, pork, eggs, fish, milk, fruits, vegetables, and seafood Explores RF-heating applications beyond food processing, such as agricultural product deinfestation, waste treatment, counterfeit prevention, package tracking, and transportation of food from farm to table Radio-Frequency Heating in Food Processing: Principles and Applications supplies an in-depth overview of the fundamental science and engineering principles governing RF applications, as well as a solid understanding of industrial RF unit design options, challenges, and opportunities for development.

Radio Frequency Transistors

Author: Helge Granberg
Publisher: Elsevier
ISBN: 0080571433
Size: 32.55 MB
Format: PDF
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Cellular telephones, satellite communications and radar systems are adding to the increasing demand for radio frequency circuit design principles. At the same time, several generations of digitally-oriented graduates are missing the essential RF skills. This book contains a wealth of valuable design information difficult to find elsewhere. It's a complete 'tool kit' for successful RF circuit design. Written by experienced RF design engineers from Motorola's semiconductors product section. Book covers design examples of circuits (e.g. amplifiers; oscillators; switches; pulsed power; modular systems; wiring state-of-the-art devices; design techniques).

Radio Frequency Electronics

Author: Jon B. Hagen
Publisher: Cambridge University Press
ISBN: 9781139479073
Size: 65.45 MB
Format: PDF
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This second, updated edition of the best-selling Radio-Frequency Electronics introduces the basic concepts and key circuits of radio-frequency systems. It covers the fundamental principles applying to all radio devices, from wireless single-chip data transceivers to high-power broadcast transmitters. This new edition is extensively revised and expanded throughout, including additional chapters on radar, digital modulation, GPS navigation, and S-parameter circuit analysis. New worked examples and end-of-chapter problems are included to aid and test understanding of the topics covered, as well as numerous extra figures to provide a visual aid to learning. Key topics covered include filters, amplifiers, oscillators, modulators, low-noise amplifiers, phase lock loops, transformers, waveguides, and antennas. Assuming no prior knowledge of radio electronics, this is a perfect introduction to the subject. It is an ideal textbook for junior or senior courses in electrical engineering, as well as an invaluable reference for professional engineers in this area.

Principles And Applications Of Radio Frequency Impedance Probes

Author: Shu Tim Lai
Size: 29.24 MB
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The underlying principle of the radio frequency plasma probe is presented. The resonance properties of the probe's equivalent circuit with and without external magnetic field are analyzed. The admittance of the equivalent circuit is shown to posses a pole at the sheath hybrid frequency and a zero at the upper hybrid frequency. The phase of the admittance changes signature to become negative, in the range of frequency between the pole and the zero. Some significant experiments using radio frequency plasma probe for ionospheric research are briefly described.

Rfid Handbook

Author: Klaus Finkenzeller
Publisher: Wiley
ISBN: 9780471988519
Size: 27.95 MB
Format: PDF, ePub, Mobi
View: 2020
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A comprehensive and timely reference on RFID (Radio-Frequency Identification) technology covering the fundamental techniques and principles, and looking at current and potential applications. RFID is used in all areas of automatic data capture allowing contactless identification of objects using RF, from ticketing to industrial automation. This book brings together the disparate information on this fast-growing technology and features include: * Introduction to the essential operating criteria and physical principles of RFID systems * The latest information in the standards requirements, manufacture and applications of contactless smart cards * Coverage of the practical challenges to be considered in real-world applications of RFID from public transport to electronic immobilisation * Description of coding and modulation, the differentiation features of RFID systems and international standards * Examination of radio frequency ranges used and international licensing controls including the US-FCC radio regulation standards. ADC professionals will profit from the detailed overview of current technologies, the legal guidelines and the breadth of applications examples combined within this single resource. End users of RFID products and electrical engineering postgraduates will appreciate this introduction to the basic functionality and the physical principles underlying this new technology.

Design And Development Of Radio Frequency Identification Rfid And Rfid Enabled Sensors On Flexible Low Cost Substrates

Author: Li Yang
Publisher: Morgan & Claypool Publishers
ISBN: 1598298607
Size: 37.49 MB
Format: PDF, Kindle
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This book presents a step-by-step discussion of the design and development of radio frequency identification (RFID) and RFID-enabled sensors on flexible low cost substrates for UHF frequency bands. Various examples of fully function building blocks (design and fabrication of antennas, integration with ICs and microcontrollers, power sources, as well as inkjet-printing techniques) demonstrate the revolutionary effect of this approach in low cost RFID and RFID-enabled sensors fields. This approach could be easily extended to other microwave and wireless applications as well. The first chapter describes the basic functionality and the physical and IT-related principles underlying RFID and sensors technology. Chapter two explains in detail inkjet-printing technology providing the characterization of the conductive ink, which consists of nano-silver-particles, while highlighting the importance of this technology as a fast and simple fabrication technique especially on flexible organic substrates such as Liquid Crystal Polymer (LCP) or paper-based substrates. Chapter three demonstrates several compact inkjet-printed UHF RFID antennas using antenna matching techniques to match IC's complex impedance as prototypes to provide the proof of concept of this technology. Chapter four discusses the benefits of using conformal magnetic material as a substrate for miniaturized high-frequency circuit applications. In addition, in Chapter five, the authors also touch up the state-of-the-art area of fully-integrated wireless sensor modules on organic substrates and show the first ever 2D sensor integration with an RFID tag module on paper, as well as the possibility of 3D multilayer paper-based RF/microwave structures. Table of Contents: Radio Frequency Identification Introduction / Flexible Organic Low Cost Substrates / Benchmarking RFID Prototypes on Organic Substrates / Conformal Magnetic Composite RFID Tags / Inkjet-Printed RFID-Enabled Sensors

Rfid Enabled Sensor Design And Applications

Author: Amin Rida
Publisher: Artech House
ISBN: 1607839822
Size: 61.28 MB
Format: PDF, Docs
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RFID (radio-frequency identification) is an emerging communication system technology and one of the most rapidly growing segments of todayOCOs automatic identification data collection industry. This cutting-edge resource offers you a solid understanding of the basic technical principles and applications of RFID-enabled sensor systems. The book provides you with a detailed description of RFID and itOCOs operation, along with a fundamental overview of sensors and wireless sensor networks. Moreover, this practical reference gives you step-by-step guidance on how to design RFID-enabled sensors that form a wireless sensor network. You also find detailed coverage of state-of OCothe-art RFID/sensor technology and worldwide applications.

Optical Fibre And Laser Principles And Applications

Author: Anuradha De
Publisher: New Age International
ISBN: 8122415180
Size: 34.69 MB
Format: PDF, Mobi
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This Book Presents A Comprehensive Overview Of The Present Day Status Of Optical Fibre And Laser Technology, Stating Their Principles And Various Applications Including Optical Telecommunications Largely Avoiding Mathematical Treatment.Keeping The Idea In Mind That We Understand The Subject Better By Doing Experiments On It, Large Number Of Experiments On Laser And Optical Fibre Have Been Included Starting From Very Simple Demonstration To Complicated Ones.Some Theoretical Discussions Are Also Included In The Appendix As A Ready Reference. These Are - Dual Nature Of Light, Electromagnetic Wave, Interference, Diffraction And Polarization Of Light, Propagation Modes Through Optical Fibre Waveguide, Basic Digital Communication And Networking In Telecommunication.The Curricula Of These Emerging Fields Of Study Are Constantly Being Updated With The Rapid Growth Of Technology. With This View In Mind, The Areas Beyond The Present Day Curriculum Of Degree / Diploma Engineering Level Have Also Been Covered In This Book. The Students Of Degree / Diploma Engineering In Electronics / Electronics & Telecommunication As Well As Students Of Any Other Engineering Discipline And Undergraduate Applied Physics Would Find This Book Well Informative. The Post Graduate Students / Readers With Advanced Knowledge Can Also Use This Book For Ready Reference.