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A little fawn got lost in the forest... Unhappy and confused, he has gone off in search of his mum, following a trail in the soil of the forest. But are these really tracks left by Mummy Deer? Maybe someone else went this way. On his expedition, the fawn learns a lot about all kinds of animals. What makes the squirrel such a great climber? What do the tracks of a horned owl look like? Do you know which animal is the quietest mover, or how a duck uses its legs to swim? If you help the fawn find his mum, a surprise will await you under every flap. And maybe you will recognize some tracks left in the soil or in the snow on your next walk!
What am I? the text queries after giving both illustrated and written clues to animals found in the woodland surrounding a suburban American home.
Two children follow various tracks in the snow and try to identify who or what made them.
Hunters, naturalists, scouts, and nature lovers will appreciate this comprehensive guide, featuring tracks of more than 100 species of mammals, birds, amphibians, reptiles, insects, and invertebrates common to the eastern United States.
Radar Data Processing with Applications Radar Data Processing with Applications He You, Xiu Jianjuan, Guan Xin, Naval Aeronautical and Astronautical University, China A summary of thirty years’ worth of research, this book is a systematic introduction to the theory, development, and latest research results of radar data processing technology. Highlights of the book include sections on data pre-processing technology, track initiation, and data association. Readers are also introduced to maneuvering target tracking, multiple target tracking termination, and track management theory. In order to improve data analysis, the authors have also included group tracking registration algorithms and a performance evaluation of radar data processing. Presents both classical theory and development methods of radar data processing Provides state-of-the-art research results, including data processing for modern radars and tracking performance evaluation theory Includes coverage of performance evaluation, registration algorithm for radar networks, data processing of passive radar, pulse Doppler radar, and phased array radar Features applications for those engaged in information engineering, radar engineering, electronic countermeasures, infrared techniques, sonar techniques, and military command Radar Data Processing with Applications is a handy guide for engineers and industry professionals specializing in the development of radar equipment and data processing. It is also intended as a reference text for electrical engineering graduate students and researchers specializing in signal processing and radars.