Inhaltsangabe
This book highlights the fundamental theories and prediction methods of radiowave propagation for the design, building, and operation of contemporary satellite systems. The primary objective of this book is to inquire into whether and how it is possible in a democracy to effectively decrease short-sighted policies. Although the commonplace expression “responsibility to future generations” has become firmly established in public and political vocabulary, its operational meaning and practice are not as well understood and have not yet been systematically evaluated. It still has not been successfully translated into viable ethical and theoretical concepts that can guide public policies and action. How can modes of governance and established priorities compatible with the well-being of future generations be created? This book identifies the conditions, and the obstacles, for such future-oriented governance. To meet the needs of diverse satellite applications, the book covers the main factors that affect radiowave propagation, including the clear-air effects, the hydrometeor effects, the ionospheric effects, the earth's surface reflection, and the local environmental effects. To enhance the prediction of radiowave propagation, the book elaborates on the characteristics of radio meteorological and ionospheric environments. It also summarizes research progress on the prediction methods of radio noise and interference coordination for satellite systems. The fade mitigation techniques and the propagation analysis of satellite system design are discussed. Providing a comprehensive summary of common practices and latest advances, the book is intended for researchers and engineers engaged in the study and practice of satellite systems, radio propagation, and its applications.
Über die Autorin bzw. den Autor
Dr. Zhao Zhenwei is Chief Engineer of China Research Institute of Radiowave Propagation. Centering radiowave propagation, Dr. Zhao's research topics include the modeling of atmospheric and rain attenuation, over-horizon propagation, and radio meteorological environments. He also studies the propagation applications for diverse radio systems, especially the fade mitigation techniques and the correction of atmospheric refraction. He has been actively participating in the activities of ITU-R Study Group 3 (SG3) and contributed to the development and improvement of the Recommendations of ITU-R SG3. Dr. Zhao also serves as Vice-Chair of ITU-R SG3 and Fellow of the Chinese Institute of Electronics. Dr. Leke Lin is Professor at China Research Institute of Radiowave Propagation. Dr. Changsheng Lu is Professor at China Research Institute of Radiowave Propagation. Dr. Rui Zhang is Professor at China Research Institute of Radiowave Propagation. Dr. Kun Liu is Professor at China Research Institute of Radiowave Propagation. Dr. Xin Zhang is Senior Engineer at China Research Institute of Radiowave Propagation.
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