This book focuses on the multi-beam phased array antenna as a satellite ground station. As there are already many excellent books on phased array antennas in the literature, this book focuses mainly on some engineering practices and fills the gap between principles and practices, such as array excitation error impact analysis and calibration methods, array geometry design for hemispherical coverage, multiple beam resource management, etc. This book is particularly suitable for readers inte...

A fascinating guide to the mental, physical, and esoteric spiritual transformative Taoist practices designed to increase longevity and unity with the world—with commentary and interpretation on the traditional text by a contemporary academic and meditation practitioner.Taoist alchemical practices are renowned for their mental, physical, and spiritually transformative benefits—including longevity and increased connection to the world around us. In this guide to Mast...

Dieses Buch behandelt hauptsächlich den Hintergrund des E-Commerce, das Grundwissen des E-Commerce, die Grundmodelle des E-Commerce, die Grundprinzipien des E-Commerce und die Fälle des E-Commerce. Dieses Buch hat ein theoretisches System des E-Commerce mit klaren Integrationsgrenzen gebildet. Die Einführung der systematischen Theorie wird durch den Hintergrund des E-Commerce geleitet, zentriert sich auf das Modell des E-Commerce, wird mit den Prinzipien des E-Commerce untermauert und mit ...

Precision CNC Machining for High-Performance Gears: Theory and Technology covers basic theories and methods, key technologies, and machining equipment in precision CNC machining of high-performance gears. Sections cover research status and development trends of machining technologies and CNC machining equipment of high-performance gears, calculation theories of the precision modification method of high-performance gears, methods of reducing the machining principle errors of high-performanc...

This book mainly discusses the background of e-commerce, the basic knowledge of e-commerce, the basic models of e-commerce, the basic principles of e-commerce and the cases of e-commerce. This book has formed a theoretical system of e-commerce with a clear integration boundary. The introduction of the systematic theory is guided by the background of e-commerce, centered on the model of e-commerce, paved with the principles of e-commerce and integrated with the cutting-edge cases.Th...

In Excavating the Afterlife, Guolong Lai explores the dialectical relationship between sociopolitical change and mortuary religion from an archaeological perspective. By examining burial structure, grave goods, and religious documents unearthed from groups of well-preserved tombs in southern China, Lai shows that new attitudes toward the dead, resulting from the trauma of violent political struggle and warfare, permanently altered the early Chinese conceptions of this world and the afterli...

This book brings together the new trends, new knowledge, new methods and new tools in the development of e-commerce in China and global and appropriately expounds the basic concepts and cultural concepts of e-commerce from the perspective of e-commerce basic knowledge and e-commerce culture. The key technology involved including e-commerce support, payment, and security is introduced. This book highlights the practical application of the applied psychology of e-commerce in business activit...

This book introduces the applications of laser in surface modification, such as laser cladding of Stellite alloys and metal-ceramic composites. Besides, nanomaterials including carbon nanotubes and Al2O3 nanoparticles are brought into the laser processing, to form high-temperature resistance, chemical stability, and wear- and oxidation-resistant composite coatings. The readers will get more knowledge about the basic principle and application of laser cladding and laser surface hardening te...

Radar High-Speed Target Detection via Coherent Integration Transform offers a systematic presentation of high-speed radar target detection methods using coherent integration transforms including the signal model, derivations of coherent integration transforms, and definitions of related key concepts.The authors present mathematical models and design principles necessary to analyze the behavior of each type of coherent integration transform, and based on this, they ...

This book comprehensively introduces the drilling theory and practice behind CCSD-1 well drilling, the first stage of a key national scientific engineering project of China. In addition to access to variety of data and information accumulated decade during the project’s decade-long operation, readers also gain insight into state-of-the-art techniques and most recent achievements in China’s scientific drilling industry. Specifically, this work introduces the drilling engineering design, wel...

As the first book about software culture, this book discusses software culture from three perspectives including historical perspective, the classification of software and software applications. This book takes credit from the view of science and technology development. It analyzed scientific innovations and the social areas promoted following the growth of technology. And according to the fact that information helps to build human cultural form, we proposed the concept and researching met...

This book pioneers the exploration of hybrid-energy cutting for aerospace alloys, summarizing cutting-edge research on laser-assisted, ultrasonic vibration-assisted, electrical-assisted, and hybrid-energies-assisted cutting. It also covers enhanced heat transfer in cutting processes, proposing novel technologies for achieving geometric precision and surface integrity at low costs. The book delves into multi-energy fields interaction mechanisms, material removal, tool wear, and cutting perf...