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1. |
Record Nr. |
UNINA990008987430403321 |
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Titolo |
Journal of comparative pathology |
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Pubbl/distr/stampa |
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Liverpool, : Academic Press |
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ISSN |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Periodico |
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2. |
Record Nr. |
UNINA9911006520503321 |
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Autore |
Dobkin Daniel Mark |
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Titolo |
The RF in RFID : UHF RFID in practice / / Daniel Dobkin |
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Pubbl/distr/stampa |
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ISBN |
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9781283736237 |
1283736233 |
9780123948304 |
0123948304 |
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Edizione |
[2nd ed.] |
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Descrizione fisica |
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1 online resource (540 p.) |
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Disciplina |
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Soggetti |
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Radio frequency identification systems |
Radio frequency - Identification |
Wireless communication systems |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front Cover; The RF in RFID; Copyright Page; Contents; 1 Introduction; 1.1 What, When, and Where, Wirelessly; 1.2 Why Would You Read This Book?; 1.3 What Comes Next?; Acknowledgements; Further Reading; 2 History and Practice of RFID; 2.1 It All Started with IFF; 2.2 Making It Cheap; 2.3 Making and Selling: Tracking Big Stuff; 2.4 Tracking Small |
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Stuff: AutoID and the Web of Things; 2.5 RFID Systems and Terminology; 2.6 Types of RFID; 2.6.1 Frequency Bands for RFID; 2.6.2 Passive, Semi-Passive, and Active Tags; 2.6.3 Communications Protocols; 2.7 The Internet of Things and UHF RFID |
Further ReadingHistory; Exercises; 3 Radio Basics for UHF RFID; 3.1 Electromagnetic Waves; 3.2 Describing Signal Voltage and Power; 3.3 Information, Modulation, and Multiplexing; 3.4 Backscatter Radio Links; 3.5 Link Budgets; 3.5.1 Reader Transmit Power; 3.5.2 Path Loss; 3.5.3 Tag Power Requirement; 3.6 Effect of Antenna Gain and Polarization on Range; 3.7 Adding a Battery; 3.8 Propagation in the Real World; 3.9 Capsule Summary: Chapter 3; Further Reading; Signal and Signal Processing; Backscatter Links; Antennas; Reflection from Dielectric Surfaces; Exercises; 4 UHF RFID Readers |
4.1 A Radio's Days (And Nights)4.2 Radio Architectures; 4.3 Radio Components; 4.3.1 Amplifiers; 4.3.1.1 Gain; 4.3.1.2 Power; 4.3.1.3 Bandwidth; 4.3.1.4 Distortion; 4.3.1.5 Noise; 4.3.2 Mixers; 4.3.2.1 Mixer Parameters: Conversion Loss and Noise; 4.3.2.2 Distortion and Isolation; 4.3.2.3 Spurious Output Frequencies; 4.3.3 Oscillators and Synthesizers; 4.3.3.1 Phase Noise; 4.3.3.2 Synthesizers; 4.3.3.3 Synthesizers and Phase Noise; 4.3.4 Filters; 4.3.4.1 RF Filters; 4.3.4.2 Baseband Filters; 4.3.5 Digital-Analog Conversion; 4.3.6 Circulators and Directional Couplers; 4.4 RFID Transmitters |
4.4.1 Transmitter Architectures4.4.2 Transmit Power Efficiency; 4.4.3 Phase and Amplitude Noise; 4.5 RFID Receivers; 4.5.1 Receiver Architectures; 4.5.2 DC Offsets and Recovery; 4.5.3 Phase and Amplitude Noise and Sensitivity; 4.5.4 Example Design Calculations; 4.6 Digital-Analog Conversion and Signal Processing; 4.7 Packaging and Power; 4.8 Capsule Summary; Further Reading; RFIC Design; Analog-digital conversion; Amplifiers; Mixers; Reader Architecture and Signal Processing; Exercises; 5 UHF RFID Tags; 5.1 Power and Powerlessness; 5.2 RF to DC; 5.3 Getting Started, Getting Data |
5.4 Talking Back5.5 Tag IC Overall Design Challenges; 5.6 Packaging: No Small Matter; 5.7 Other Passive Ways; 5.8 Assault of the Battery; 5.9 Capsule Summary; Further Reading; Passive Tag IC Design; Chip Assembly Techniques; Conductive Inks; SAW Tags; Organic ICs; Battery Tags and Active Sensors; Exercises; 6 Reader Antennas; 6.1 Not Just for Insects Anymore?; 6.2 Current Events: Fundamentals of Antenna Operation; 6.2.1 Got Gain?; 6.2.2 Polarization; 6.2.3 Impedance and Bandwidth; 6.2.4 The Patch Antenna; 6.2.5 It's All on the Datasheet (Except the Price!); 6.3 Antennas for Fixed Readers |
6.3.1 Doors and Portals |
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Sommario/riassunto |
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This book explains how UHF tags and readers communicate wirelessly. It gives an understanding of what limits the read range of a tag, how to increase it (and why that might result in breaking the law), and the practical things that need to be addressed when designing and implementing RFID technology. Avoiding heavy math but giving breadth of coverage with the right amount of detail, it is an ideal introduction to radio communications for engineers who need insight into how tags and readers work. New to this edition: Examples of near-metal antenna techniques Discu |
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