front cover of Angle-of-Arrival Estimation Using Radar Interferometry
Angle-of-Arrival Estimation Using Radar Interferometry
Methods and applications
Jeff Holder
The Institution of Engineering and Technology, 2014
Radar interferometers provide a cost-effective radar architecture to achieve enhanced angle accuracy for enhanced target tracking. The objective of this book is to quantify interferometer angle estimation accuracy by developing a general understanding of various radar interferometer architectures and presenting a comprehensive understanding of the effects of radar-based measurement errors on angle-of-arrival estimation. As such this book is primarily directed toward tracking radars but will also discuss imaging applications as well.
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front cover of Ghost Signs of Arkansas
Ghost Signs of Arkansas
Cynthia Haas
University of Arkansas Press, 1997

From the late 1800s to the early 1950s, painted wall signs were a major mode of advertisement for both national companies and local businesses across America. Many of these artistic messages, now faded, peeling, and partially covered, still peek out from the storefronts, barns, alleyways, warehouses, theaters, and even stagecoach stops they once decorated.

Photographer Jeff Holder and author Cynthia Haas explore this often overlooked art form in Arkansas and show us signs that appear mysteriously in the rain, signs that are curiously painted in remote places, images and words now only half decipherable. From Coca-Cola, Dr. Pepper, and Grapette Soda to Kis-Me-Gum, Uneeda Biscuit, and Snowdrift Flour, the logos and slogans are at once familiar and enigmatic. Archival photographs reference the time
when these brightly colored messages covered the facades of downtown buildings. Of particular interest in this book are the profiles of three “wall dogs,” or sign painters, who remember the difficulties and joys of their unusual profession.

Ghost Signs of Arkansas ties us to a gentler past, a time when Main Street was the center of a community’s life, before mass media forced grand-scale advertising from brick walls to the television screen. In documenting a fading but valuable traditional art form, this book fills a gap in both the cultural fabric of Arkansas towns and the history of American art.

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