Imperial-Time-Order is an engagingly written critical study on a persistent historical way of thinking in modern China. Defined as normalization of unification and moralization of time, Qian suggests, the imperial-time-order signifies a temporal structure of empire that has continued to shape the way modern China developed itself conceptually. Weaving together intellectual debates with literary and media representations of imperial history since the late Qing period, ranging from novels, stage plays, films, to television series, Qian traces the different temporalities of each period and takes “time” as the analytical node by which issues of empire, nation, family, morality, individual and collective subjectivity are constructed and contested.
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.
Imperial-Time-Order is an engagingly written critical study on a persistent historical way of thinking in modern China. Defined as normalization of unification and moralization of time, Qian suggests, the imperial-time-order signifies a temporal structure of empire that has continued to shape the way modern China developed itself conceptually. Weaving together intellectual debates with literary and media representations of imperial history since the late Qing period, ranging from novels, stage plays, films, to television series, Qian traces the different temporalities of each period and takes “time” as the analytical node by which issues of empire, nation, family, morality, individual and collective subjectivity are constructed and contested.
Computational fluid dynamics (CFD) studies the flow motion in a discretized space. Its basic scale resolved is the mesh size and time step. The CFD algorithm can be constructed through a direct modeling of flow motion in such a space. This book presents the principle of direct modeling for the CFD algorithm development, and the construction unified gas-kinetic scheme (UGKS). The UGKS accurately captures the gas evolution from rarefied to continuum flows. Numerically it provides a continuous spectrum of governing equation in the whole flow regimes.
A gyrotron traveling-wave amplifier (gyro-TWT) with the high-power and broad-band capabilities is considered as a turn-on key for next generation high-resolution radar. The book presents the most advanced theory, methods and physics in a gyro-TWT. The most challenging problem of instability competition has been for the first time addressed in a focused and systematic way and reported via concise states and vivid pictures. The book is likely to meet the interest of researchers and engineers in radar and microwave technology, who would like to study the gyro-TWTs and to promote its application in millimeter-wave radars. Chao-Hai Du and Pu-Kun Liu are both professors at Peking University.
He was unbridled as he slashed his sword through the heavens!He exuded an evil aura, and his eyes flashed like lightning across the nine heavens.He was free and unfettered, with beauties as numerous as the clouds and flowers surrounding him.He was tyrannical, and wherever he passed, not a single blade of grass would remain!Evil Emperor Hengkong, Tremor of Eternity!This was the most powerful, top quality evil cultivator!
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