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Perception of human beings has evolved from natural biosensor to
powerful sensors and sensor networks. In sensor networks, trillions
of devices are interconnected and sense a broad spectrum of
contexts for human beings, laying the foundation of Internet of
Things (IoT). However, sensor technologies have several limitations
relating to deployment cost and usability, which render them
unacceptable for practical use. Consequently, the pursuit of
convenience in human perception necessitates a wireless, sensorless
and contactless sensing paradigm. Recent decades have witnessed
rapid developments in wireless sensing technologies, in which
sensors detect wireless signals (such as acoustic, light, and radio
frequency) originally designed for data transmission or lighting.
By analyzing the signal measurements on the receiver end, channel
characteristics can be obtained to convey the sensing results.
Currently, significant effort is being devoted to employing the
ambient Wi-Fi, RFID, Bluetooth, ZigBee, and television signals for
smart wireless sensing, eliminating the need for dedicated sensors
and promoting the prospect of the Artificial Intelligence of Things
(AIoT). This book provides a comprehensive and in-depth discussion
of wireless sensing technologies. Specifically, with a particular
focus on Wi-Fi-based sensing for understanding human behavior, it
adopts a top-down approach to introduce three key topics: human
detection, localization, and activity recognition. Presenting the
latest advances in smart wireless sensing based on an extensive
review of state-of-the-art research, it promotes the further
development of this area and also contributes to interdisciplinary
research.
This book reflects up-to-date research, fundamental theories, and
key techniques of of wireless localization technology and
error-controlling techniques. It also presents and discusses the
issue of localizability, as well as privacy issues associated with
LBS. This book encompasses the significant and quickly growing area
of wireless localization technology. It presents comprehensive and
up-to-date research in both fundamental theories and key techniques
of network localization. In addition to localization approaches, it
also is the first book to address the issue of localizability. The
privacy issue of LBS technology is also discussed.
This book mainly addresses the position, function, influence, and
values of folk oral literature in the history of Chinese
literature. Divided into 14 chapters, it systematically covers
central aspects of folklore literature such as ballads, folk songs,
Bianwen, Zajuci, Guzici, Zhugongdiao, Sanqu, Baojuan, Tanci,
Zidishu, and so on from the Pre-Qin to the late Qing Dynasties,
filling several gaps in literary history studies. It is a
comprehensive literary work, and many of the materials cited here
are rare and difficult to find. In addition, the book proposes some
important theories, especially six highly generalized qualities of
folk literature, namely that it is: popular, collective, oral,
fresh, effusive, and innovative. With detailed, extensive
materials, and quotations, the book represents the most systematic
and comprehensive work to date on ancient Chinese folk literature.
It is mutually complementary with Guowei Wang’s A Textual
Research of the Traditional Chinese Opera in the Song and Yuan
Dynasties and Xun Lu’s A Brief History of Chinese Fiction; all
three works are regarded as the most essential classics for
researching the history of Chinese literature.
Perception of human beings has evolved from natural biosensor to
powerful sensors and sensor networks. In sensor networks, trillions
of devices are interconnected and sense a broad spectrum of
contexts for human beings, laying the foundation of Internet of
Things (IoT). However, sensor technologies have several limitations
relating to deployment cost and usability, which render them
unacceptable for practical use. Consequently, the pursuit of
convenience in human perception necessitates a wireless, sensorless
and contactless sensing paradigm. Recent decades have witnessed
rapid developments in wireless sensing technologies, in which
sensors detect wireless signals (such as acoustic, light, and radio
frequency) originally designed for data transmission or lighting.
By analyzing the signal measurements on the receiver end, channel
characteristics can be obtained to convey the sensing results.
Currently, significant effort is being devoted to employing the
ambient Wi-Fi, RFID, Bluetooth, ZigBee, and television signals for
smart wireless sensing, eliminating the need for dedicated sensors
and promoting the prospect of the Artificial Intelligence of Things
(AIoT). This book provides a comprehensive and in-depth discussion
of wireless sensing technologies. Specifically, with a particular
focus on Wi-Fi-based sensing for understanding human behavior, it
adopts a top-down approach to introduce three key topics: human
detection, localization, and activity recognition. Presenting the
latest advances in smart wireless sensing based on an extensive
review of state-of-the-art research, it promotes the further
development of this area and also contributes to interdisciplinary
research.
This book mainly addresses the position, function, influence, and
values of folk oral literature in the history of Chinese
literature. Divided into 14 chapters, it systematically covers
central aspects of folklore literature such as ballads, folk songs,
Bianwen, Zajuci, Guzici, Zhugongdiao, Sanqu, Baojuan, Tanci,
Zidishu, and so on from the Pre-Qin to the late Qing Dynasties,
filling several gaps in literary history studies. It is a
comprehensive literary work, and many of the materials cited here
are rare and difficult to find. In addition, the book proposes some
important theories, especially six highly generalized qualities of
folk literature, namely that it is: popular, collective, oral,
fresh, effusive, and innovative. With detailed, extensive
materials, and quotations, the book represents the most systematic
and comprehensive work to date on ancient Chinese folk literature.
It is mutually complementary with Guowei Wang's A Textual Research
of the Traditional Chinese Opera in the Song and Yuan Dynasties and
Xun Lu's A Brief History of Chinese Fiction; all three works are
regarded as the most essential classics for researching the history
of Chinese literature.
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