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This volume covers important subjects in the field of piezoelectric devices and applications with the latest research on piezoelectricity, acoustic waves, manufacturing technology, and design techniques. It includes up-to-date research and information on materials, new products, technological trends, and design methods of benefit to academics and researchers in the piezoelectric device industry. Contributors to this volume include prominent experts such as Clemens Ruppel of Epcos, Daining Fang of Tsinghua University, Tong-Yi Zhang of University of Science and Technology, Hong Kong, and CS Lam of TXC Corporation. A number of papers have been dedicated to Professor Harry F Tiersten of Resselear Polytechnic Institute, who passed away in 2006, for his contributions to the fundamental theory of piezoelectricity and methods for acoustic wave device analysis.
This volume covers important subjects in the field of piezoelectric devices and applications with the latest research on piezoelectricity, acoustic waves, manufacturing technology, and design techniques. It includes up-to-date research and information on materials, new products, technological trends, and design methods of benefit to academics and researchers in the piezoelectric device industry. Contributors to this volume include prominent experts such as Clemens Ruppel of Epcos, Daining Fang of Tsinghua University, Tong-Yi Zhang of University of Science and Technology, Hong Kong, and CS Lam of TXC Corporation. A number of papers have been dedicated to Professor Harry F Tiersten of Resselear Polytechnic Institute, who passed away in 2006, for his contributions to the fundamental theory of piezoelectricity and methods for acoustic wave device analysis.
Surface Acoustic Wave Devices and Their Signal Processing Applications is a textbook that combines experiment and theory in assessing the signal processing applications of surface acoustic wave (SAW) devices. The operating principles of SAW devices are described from a circuit design viewpoint. This book is comprised of 18 chapters and begins with a historical background on surface acoustic waves and a discussion on the merits of SAW devices as well as their applications. The next chapter introduces the reader to the basics of acoustic waves and piezoelectricity, together with the effect of acoustic bulk waves on the performance of SAW filters. The principles of linear phase SAW filter design and equivalent circuit models for a SAW filter are then described. The remaining chapters focus on trade-offs in linear phase SAW filter design; compensation for second-order effects; harmonic SAW delay lines for gigahertz frequencies; and coding techniques using linear SAW transducers. The final chapter highlights Some other significant alternative design techniques and applications for SAW devices. This monograph will be suitable for engineering or physics students as well as engineers, scientists, and technical staff in industry who seek further information on SAW-based circuits, systems, and applications.
In this book, application-related studies for acoustic biomedical sensors are covered in depth. The book features an array of different biomedical signals, including acoustic biomedical signals as well as the thermal biomedical signals, magnetic biomedical signals, and optical biomedical signals to support healthcare. It employs signal processing approaches, such as filtering, Fourier transform, spectral estimation, and wavelet transform. The book presents applications of acoustic biomedical sensors and bio-signal processing for prediction, detection, and monitoring of some diseases from the phonocardiogram (PCG) signal analysis. Several challenges and future perspectives related to the acoustic sensors applications are highlighted. This book supports the engineers, researchers, designers, and physicians in several interdisciplinary domains that support healthcare.
This volume covers important subjects in the field of piezoelectric devices and applications with the latest research on piezoelectricity, acoustic waves, manufacturing technology, and design techniques. It includes up-to-date research and information on materials, new products, technological trends, and design methods of benefit to academics and researchers in the piezoelectric device industry. Contributors to this volume include prominent experts such as Clemens Ruppel of Epcos, Daining Fang of Tsinghua University, Tong-Yi Zhang of University of Science and Technology, Hong Kong, and CS Lam of TXC Corporation. A number of papers have been dedicated to Professor Harry F Tiersten of Resselear Polytechnic Institute, who passed away in 2006, for his contributions to the fundamental theory of piezoelectricity and methods for acoustic wave device analysis. Readership: Graduate students, academics, researchers, and professionals in piezoelectric devices and applications for communication, sensors, MEMS, and other systems.
Piezoelectric Transducers and Applications provides a guide for graduate students and researchers to the current state of the art of this complex and multidisciplinary area. The book fills an urgent need for a unified source of information on piezoelectric devices and their astounding variety of existing and emerging applications. Some of the chapters focus more on the basic concepts of the different disciplines involved and are presented in a didactic manner. Others go deeper into the complex aspects of specific fields of research, thus reaching the technical level of a scientific paper. Among other topics resonant sensors, especially bulk acoustic wave thickness shear mode resonators, chemical and bio-sensors, as well as broadband ultrasonic systems are treated in-depth.
Surface acoustic wave (SAW) devices are recognized for their versatility and efficiency in controlling and processing electrical signals. This has resulted in a multitude of device concepts for a wide range of signal processing functions, such as delay lines, filters, resonators, pulse compressors, convolvers, and many more. As SAW technology has found its way into mass market products such as TV receivers, pagers, keyless entry systems and cellular phones, the production volume has risen to millions of devices produced every day. At the other end of the scale, these are specialized high performance signal processing SAW devices for satellite communication and military applications, such as radar and electronic warfare. This volume, together with Volume 1, presents an overview of recent advances in SAW technology, systems and applications by some of the foremost researchers in this exciting field. Contents: Coupling-of-Modes Analysis of SAW Devices (V Plessky & J Koskela); Theory and Applications of Green''s Functions (A R Baghai-Wadji); New Piezoelectric Substrates for SAW Devices (J Kosinski); Pseudo and High Velocity Pseudo SAWs (M P da Cunha); SAW Devices Beyond 5 GHz (H Odagawa & K Yamanouchi); Wireless SAW Identification and Sensor Systems (F Schmidt & G Scholl); Interaction of Surface Acoustic Waves, Electrons, and Light (A Wixforth). Readership: Graduate students, researchers and academics in device and circuit design, as well as designers of mobile communications systems.
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.