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Author: Timothy B. Tyson Publisher: Univ of North Carolina Press ISBN: 0807899011 Category : Biography & Autobiography Languages : en Pages : 413
Book Description
This book tells the remarkable story of Robert F. Williams--one of the most influential black activists of the generation that toppled Jim Crow and forever altered the arc of American history. In the late 1950s, as president of the Monroe, North Carolina, branch of the NAACP, Williams and his followers used machine guns, dynamite, and Molotov cocktails to confront Klan terrorists. Advocating "armed self-reliance" by blacks, Williams challenged not only white supremacists but also Martin Luther King Jr. and the civil rights establishment. Forced to flee during the 1960s to Cuba--where he broadcast "Radio Free Dixie," a program of black politics and music that could be heard as far away as Los Angeles and New York City--and then China, Williams remained a controversial figure for the rest of his life. Historians have customarily portrayed the civil rights movement as a nonviolent call on America's conscience--and the subsequent rise of Black Power as a violent repudiation of the civil rights dream. But Radio Free Dixie reveals that both movements grew out of the same soil, confronted the same predicaments, and reflected the same quest for African American freedom. As Robert Williams's story demonstrates, independent black political action, black cultural pride, and armed self-reliance operated in the South in tension and in tandem with legal efforts and nonviolent protest.
Author: Timothy B. Tyson Publisher: Univ of North Carolina Press ISBN: 0807899011 Category : Biography & Autobiography Languages : en Pages : 413
Book Description
This book tells the remarkable story of Robert F. Williams--one of the most influential black activists of the generation that toppled Jim Crow and forever altered the arc of American history. In the late 1950s, as president of the Monroe, North Carolina, branch of the NAACP, Williams and his followers used machine guns, dynamite, and Molotov cocktails to confront Klan terrorists. Advocating "armed self-reliance" by blacks, Williams challenged not only white supremacists but also Martin Luther King Jr. and the civil rights establishment. Forced to flee during the 1960s to Cuba--where he broadcast "Radio Free Dixie," a program of black politics and music that could be heard as far away as Los Angeles and New York City--and then China, Williams remained a controversial figure for the rest of his life. Historians have customarily portrayed the civil rights movement as a nonviolent call on America's conscience--and the subsequent rise of Black Power as a violent repudiation of the civil rights dream. But Radio Free Dixie reveals that both movements grew out of the same soil, confronted the same predicaments, and reflected the same quest for African American freedom. As Robert Williams's story demonstrates, independent black political action, black cultural pride, and armed self-reliance operated in the South in tension and in tandem with legal efforts and nonviolent protest.
Author: Publisher: ISBN: Category : Electronics Languages : en Pages : 866
Book Description
Some issues, 1943-July 1948, include separately paged and numbered section called Radio-electronic engineering edition (called Radionics edition in 1943)
Author: Taimoor Khan Publisher: CRC Press ISBN: 1000257843 Category : Science Languages : en Pages : 201
Book Description
This book focuses on elementary concepts of both radio frequency energy harvesting (RFEH) and wireless power transfer (WPT), and highlights their fundamental requirements followed by recent advancements. It provides a systematic overview of the key components required for RFEH and WPT applications and also comprehensively introduces the pioneering research advancements achieved to date. The state-of-the-art circuit design topologies for the two different applications are presented mainly in terms of antenna operating frequencies, polarization characteristics, efficient matching network circuits, rectifier topologies, and overall rectenna systems. The book serves as a single point of reference for practicing engineers and researchers searching for potential sources and elements involved in the RFEH system as well as in the WPT system, and need rapid training and design guidelines in the following areas: • Different sensing elements used in RFEH and WPT • Inclusions of mathematical expressions and design problems • Illustration of some design examples and performance enhancement techniques
Author: Steve Shellhammer Publisher: John Wiley & Sons ISBN: 1119670950 Category : Technology & Engineering Languages : en Pages : 196
Book Description
IEEE 802.11ba Discover the latest developments in IEEE 802.11ba and Wake-up Radios In IEEE 802.11ba: Ultra-Low Power Wake-up Radio Standard, expert engineers Drs. Steve Shellhammer, Alfred Asterjadhi, and Yanjun Sun deliver a detailed discussion of the IEEE 802.11ba standard. The book begins by explaining the concept of a wake-up radio (WUR) and how it fits into the overall 802.11 standard, as well as how a WUR saves power and extends battery life. The authors go on to describe the medium access control (MAC) layer in detail and then talk about the various protocols used to negotiate WUR operation, its uses for different functionalities (like wake up of the main radio, discovery, synchronization, and security). The book offers a detailed description of the physical (PHY) layer packet construction and the rationale for the design, as well as the various design aspects of the medium access control layer. It also includes: A thorough introduction to the motivations driving the development of the WUR in 802.11 Practical overviews of IEEE 802.11, including the basic concepts of 802.11 (the PHY and MAC) and background material on current low power modes Comprehensive discussions of the physical layer and PHY layer performance, including the generic receiver, the PPDU, Transmit Diversity, and the FDMA mode In-depth examinations of the medium access layer and its frame designs Perfect for professional wireless engineers, IEEE 802.11ba: Ultra-Low Power Wake-up Radio Standard will also earn a place in the libraries of academics and students researching and studying in fields involving wireless communications.
Author: Derek Shaeffer Publisher: Springer Science & Business Media ISBN: 0306470497 Category : Technology & Engineering Languages : en Pages : 208
Book Description
It is hardly a profound observation to note that we remain in the midst of a wireless revolution. In 1998 alone, over 150 million cell phones were sold worldwide, representing an astonishing 50% increase over the previous year. Maintaining such a remarkable growth rate requires constant innovation to decrease cost while increasing performance and functionality. Traditionally, wireless products have depended on a mixture of semicond- tor technologies, spanning GaAs, bipolar and BiCMOS, just to name a few. A question that has been hotly debated is whether CMOS could ever be suitable for RF applications. However, given the acknowledged inferiority of CMOS transistors relative to those in other candidate technologies, it has been argued by many that “CMOS RF” is an oxymoron, an endeavor best left cloistered in the ivory towers of academia. In rebuttal, there are several compelling reasons to consider CMOS for wi- less applications. Aside from the exponential device and density improvements delivered regularly by Moore’s law, only CMOS offers a technology path for integrating RF and digital elements, potentially leading to exceptionally c- pact and low-cost devices. To enable this achievement, several thorny issues need to be resolved. Among these are the problem of poor passive com- nents, broadband noise in MOSFETs, and phase noise in oscillators made with CMOS. Beyond the component level, there is also the important question of whether there are different architectural choices that one would make if CMOS were used, given the different constraints.
Author: Timothy B. Tyson
Author: Timothy B. Tyson
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Author: Taimoor Khan
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Author: Steve Shellhammer
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Author: Derek Shaeffer
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Author: Edward Jewitt Wheeler