Chinese Journal of Acoustics
Author :
Publisher :
Page : 414 pages
File Size : 35,8 MB
Release : 2007
Category : Sound
ISBN :
Author :
Publisher :
Page : 414 pages
File Size : 35,8 MB
Release : 2007
Category : Sound
ISBN :
Author : Don Dissanayake
Publisher : BoD – Books on Demand
Page : 480 pages
File Size : 31,53 MB
Release : 2010-09-28
Category : Technology & Engineering
ISBN : 9533071117
SAW devices are widely used in multitude of device concepts mainly in MEMS and communication electronics. As such, SAW based micro sensors, actuators and communication electronic devices are well known applications of SAW technology. For example, SAW based passive micro sensors are capable of measuring physical properties such as temperature, pressure, variation in chemical properties, and SAW based communication devices perform a range of signal processing functions, such as delay lines, filters, resonators, pulse compressors, and convolvers. In recent decades, SAW based low-powered actuators and microfluidic devices have significantly added a new dimension to SAW technology. This book consists of 20 exciting chapters composed by researchers and engineers active in the field of SAW technology, biomedical and other related engineering disciplines. The topics range from basic SAW theory, materials and phenomena to advanced applications such as sensors actuators, and communication systems. As such, in addition to theoretical analysis and numerical modelling such as Finite Element Modelling (FEM) and Finite Difference Methods (FDM) of SAW devices, SAW based actuators and micro motors, and SAW based micro sensors are some of the exciting applications presented in this book. This collection of up-to-date information and research outcomes on SAW technology will be of great interest, not only to all those working in SAW based technology, but also to many more who stand to benefit from an insight into the rich opportunities that this technology has to offer, especially to develop advanced, low-powered biomedical implants and passive communication devices.
Author : Yu Wei
Publisher : Springer Science & Business Media
Page : 767 pages
File Size : 49,24 MB
Release : 2012-12-06
Category : Science
ISBN : 1461529581
The 105 theses contained in this book are selected from those whose authors were present at the 20th International Symposium on Acoustical Imaging. held at Southeast University. Nanjing. China. during September 12-14. 1992. It was the first time that the symposium had been held in China. Our efforts to host the conference goes back to the 15th International Symposium on Acoustical Imaging held in Halifax. Canada. in 1986. We are glad that the 20th symposium has been successfully held at last. We are ardent for the symposium not only because we attach much importance to the field of acoustical imaging. but also because we admire the tradition of the serious academic exploration and friendly cooperation of the scholars attending the symposium. The theses in this book are from 21 countries and those by Mr. G. Wade. Takuso Sato. J. F. Greenleaf. K. J. Langenberg. and Wencai Yang are the specially invited papers. These theses cover such important fields of acoustical imaging as follows: 1. Mathematics and physics of acoustical imaging; 2. Components and industry application; 3. Applications in medicine and biology; 4. Applications in nondestructive testing; 5. Applications in geophysics; 6. Underwater acoustical imaging. All these theses reflect the latest progress in theory and technology. We are very grateful to all the authors who have provided these theses.
Author : Fang Xueyang
Publisher : Ekho Verlag
Page : 282 pages
File Size : 33,30 MB
Release : 2022-12-31
Category : Music
ISBN : 3944415442
This book focuses on researching the chime stone, a percussion instrument carved from stone that originated in ancient China. In antiquity, people regarded the chime stone as an important musical instrument because its presence indicated the wealth and status of the tomb owners. In the late Neolithic Age, people discovered the differences between each type of stone and their sound qualities. Chime stone manufacture focused on the timbre of the natural stone, as opposed to both materials and sounding based selection in later periods, which formed a part of making a perfect and delicate chime stone. In the earlier period the chime stone was only a musical instrument for producing rhythmic sound, but as time went by, chime stones gradually became melodic instruments and were played with string, wind, and other percussion instruments in ensemble. The book is divided into 10 chapters. Chapter 1 provides a comprehensive view of existing research, sets out the aims of the present research alongside material sources and methodology, elaborates the theoretical framework of the book, and clarifies terminology in both English and Chinese. A summary of the main chime stone finds of the Yellow River andthe Yangtze River valley areas, together with geographical features of these distributions, is provided in Chapter 2. Chapters 3 to 8 contain an in-depth discussion of the chime stones unearthed from those regions, including classification and typology, shape, manufacture, assemblage and performance of the chime stones as well as the detailed tone measurementand analysis. Chapter 9 examines the acoustic properties of chime stones. Chapter 10 looks at the use and function of chime stones, which includes the role of chime stones in ancient ensembles, cultural context, use in ritual music, and the symbolic meaning of chime stones in ancient China.
Author : Yuan-Ming Liu
Publisher : CRC Press
Page : 1010 pages
File Size : 18,84 MB
Release : 2016-10-28
Category : Technology & Engineering
ISBN : 1315645157
Civil Engineering and Urban Planning IV includes the papers presented at the 4th International Conference on Civil Engineering and Urban Planning (CEUP 2015, Beijing, China, 25-27 July 2015). The contributions from experts and world-renowned scientists cover a wide variety of topics: - Civil engineering;- Architecture and urban planning; - Transpor
Author :
Publisher :
Page : 400 pages
File Size : 15,92 MB
Release : 1948
Category : Mechanics, Applied
ISBN :
Author : Lufen Xu
Publisher : Academic Press
Page : 292 pages
File Size : 16,42 MB
Release : 2016-09-16
Category : Technology & Engineering
ISBN : 0128030291
Digital Underwater Acoustic Communications focuses on describing the differences between underwater acoustic communication channels and radio channels, discusses loss of transmitted sound in underwater acoustic channels, describes digital underwater acoustic communication signal processing, and provides a comprehensive reference to digital underwater acoustic communication equipment. This book is designed to serve as a reference for postgraduate students and practicing engineers involved in the design and analysis of underwater acoustic communications systems as well as for engineers involved in underwater acoustic engineering. - Introduces the basics of underwater acoustics, along with the advanced functionalities needed to achieve reliable communications in underwater environment - Identifies challenges in underwater acoustic channels relative to radio channels, underwater acoustic propagation, and solutions - Shows how multi-path structures can be thought of as time diversity signals - Presents a new, robust signal processing system, and an advanced FH-SS system for multimedia underwater acoustic communications with moderate communication ranges (above 20km) and rates (above 600bps) - Describes the APNFM system for underwater acoustic communication equipment (including both civil and military applications), to be employed in active sonar to improve its performance
Author : Abigail C. Cohn
Publisher : Oxford University Press, USA
Page : 888 pages
File Size : 13,12 MB
Release : 2012
Category : Language Arts & Disciplines
ISBN : 0199575037
This book provides state-of-the-art coverage of research in laboratory phonology. Laboratory phonology denotes a research perspective, not a specific theory: it represents a broad community of scholars dedicated to bringing interdisciplinary experimental approaches and methods to bear on how spoken language is structured, learned and used; it draws on a wide range of tools and concepts from cognitive and natural sciences. This book describes the investigative approaches,disciplinary perspectives, and methods deployed in laboratory phonology, and highlights the most promising areas of current research.Part one introduces the history, nature, and aims of laboratory phonology. The remaining four parts cover central issues in research done within this perspective, as well as methodological resources used for investigating these issues. Contributions to this volume address how laboratory phonology approaches have provided insight into human speech and language structure and how theoretical questions and methodologies are intertwined. This Handbook, the first specifically dedicated tothe laboratory phonology approach, builds on the foundation of knowledge amassed in linguistics, speech research and allied disciplines. With the varied interdisciplinary contributions collected, the Handbook advances work in this vibrant field.
Author : Q. Zhang
Publisher : IOS Press
Page : 632 pages
File Size : 36,82 MB
Release : 2024-05-15
Category : Computers
ISBN : 1643685155
Developments in AI are occurring rapidly, with new applications constantly on the increase, and one of the areas in which interesting developments are always taking place is that of intelligent equipment and special robots. This book presents papers from ICIESR 2023, the 2nd International Conference on Intelligent Equipment and Special Robots, held from 20 to 22 October 2023 in Qingdao, China. The conference series has established a platform for experts, researchers, and students working in related fields to present, exchange, and discuss the latest advances and developments, linking various branches of science and technology. It promotes innovation in, and the application of, intelligent equipment and special robots, and fosters the development of related industries, and this year’s conference brought together 180 participants. A total of 206 submissions was received for the conference, of which 185 were selected for peer review, in the course of which they were evaluated for theme, structure, method, content, language, and format. Of these, 80 papers were accepted for presentation and publication, resulting in an acceptance rate of 39%. Topics covered include intelligent detection technology, smart manufacturing, artificial intelligence, mechatronics technology, and creative and entertaining robots, among others. Providing a current overview of recent developments in the field, the book will be of interest to all those whose work relates to intelligent equipment and special robots.
Author : Jian Kang
Publisher : Thomas Telford
Page : 276 pages
File Size : 31,51 MB
Release : 2002
Category : Technology & Engineering
ISBN : 9780727730138
Acoustics is a major concern in many long spaces, such as road or railway tunnels, underground/railway stations, corridors, concourses and urban streets. The specific problems of such irregularly shaped spaces, ranging from noise pollution in streets and tunnels to poor speech intelligibility of public address systems in railway stations are not dealt with by classic room acoustic theory.This state-of-the-art exposition of acoustics of long spaces presents the fundamentals of acoustic theory and calculation formulae for long spaces as well as giving guidelines for practical design.