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On the Alaska Peninsula, where exceptional landscapes are
commonplace, a small river attracts attention far beyond its scale.
Each year, from summer to early fall, brown bears and salmon gather
at Brooks River to create one of North America's greatest wildlife
spectacles. As the salmon leap from the cascade, dozens of bears
are there to catch them (with as many as forty-three bears sighted
in a single day), and thousands of people come to watch in person
or on the National Park Service's popular Brooks Falls Bearcam. The
Bears of Brooks Falls tells the story of this region and the bears
that made it famous in three parts. The first forms an ecological
history of the region, from its dormancy 30,000 years ago to the
volcanic events that transformed it into the Valley of Ten Thousand
Smokes. The central and longest section is a deep dive into the
lives of the wildlife along the Brooks River, especially the bears
and salmon. Readers will learn about the bears' winter hibernation,
mating season, hunting rituals, migration patterns, and their
relationship with Alaska's changing environment. Finally, the book
explores the human impact, both positive and negative, on this
special region and its wild population.
Publisher's Note: Products purchased from Third Party sellers are
not guaranteed by the publisher for quality, authenticity, or
access to any online entitlements included with the product. Get a
Solid Account of Physical Layer Communications Theory, Illustrated
with Numerous Interactive MATLAB Mini-Projects You can rely on
Fundamentals of Communications Systems for a solid introduction to
physical layer communications theory, filled with modern
implementations and MATLAB examples. This state-of-the-art guide
covers essential theory and current engineering practice, carefully
explaining the real-world tradeoffs necessary among performance,
spectral efficiency, and complexity. Written by an award-winning
communications expert, the book first takes readers through analog
communications basics, amplitude modulations, analog angle
modulation, and random processes. This essential resource then
explains noise in bandpass communications systems...bandpass
Gaussian random processes...digital communications
basics...complexity of optimum demodulation...spectrally efficient
data transmission...and more. Fundamentals of Communications
Systems features: A modern approach to communications theory,
reflecting current engineering applications Numerous MATLAB
problems integrated throughout, with software available for
download Detailed coverage of tradeoffs among performance, spectral
efficiency, and complexity in engineering design Text written in
four parts for easy modular presentation Inside This On-Target
Communications Engineering Tool * Mathematical Foundations * Analog
Communications Basics * Amplitude Modulations * Analog Angle
Modulation * More Topics in Analog Communications * Random
Processes * Noise in Bandpass Communications Systems * Bandpass
Gaussian Random Processes * Digital Communications Basics * Optimal
Single Bit Demodulation Structures * Transmitting More than One Bit
* Complexity of Optimum Demodulation * Spectrally Efficient Data
Transmission
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