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Folk singer and folk music collector, writer, painter, journalist, art critic, whalerman, sheep station roustabout, Marxist, and much more - this is the story of A. L. (Bert) Lloyd's extraordinary life. A. L. Lloyd played a key part in the folk music revival of the 1950s and 60s, but that is only part of his story. Dave Arthur documents how Lloyd became a member of the Communist Party, forceful antifascist, trade unionist and an important part of left-wing culture from the early 1930s to his death in 1982. Following his return from Australia as a 21-year-old, self-educated agricultural labourer, he was at the heart of the most important left-wing movements and highly respected for his knowledge in various fields. Dave Arthur recounts the life of a creative, passionate and life-loving Marxist, and in so doing provides a social history of a turbulent twentieth century.
Finally, here is a single volume containing all of the engineering information needed to successfully design and implement any type of wireless network! Author Dan Dobkin covers every aspect of RF engineering necessary for wireless networks. He begins with a review of essential math and electromagnetic theory followed by thorough discussions of multiplexing, modulation types, bandwidth, link budgets, network concepts, radio system architectures, RF amplifiers, mixers and frequency conversion, filters, single-chip radio systems, antenna theory and designs, signal propagation, as well as planning and implementing wireless networks for both indoor and outdoor environments. The appendices contai...
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 • Discussion of the wakeup challenge for battery-assisted tags, with a BAT architecture example • Latest development of protocol...
The Newnes Know It All Series takes the best of what our authors have written to create hard-working desk references that will be an engineer's first port of call for key information, design techniques and rules of thumb. Guaranteed not to gather dust on a shelf!Wireless Networking: Know It All delivers readers from the basics of a wireless system such as antennas and transmitters to current hot topic wireless systems and technologies. The backbone to technologies and applications such as mobile, untethered Internet access, Internet telephony, and high quality multimedia content via the Web is completely covered in this reference. Chapter 1. Basics of Wireless Communications Chapter 2. Basic...