الصفحة 1
الصفحة 1
Wireless Ad Hoc and Sensor Networks : A Cross-Layer Design Perspective
Wireless Ad Hoc and Sensor Networks: A Cross-Layer Design Perspective deals with the emerging design trend that transcends traditional communication layers for performance gains in ad hoc and sensor networks. The author explores the current state of the art in cross-layer approaches for ad hoc and sensor networks, providing a comprehensive design resource. The book offers a structured comparison and analysis of both layered and cross-layer design, providing readers with an overview of the many issues relating to ad hoc and sensor networks. The benefits of these cross-layer approaches are examined through three diverse case studies: a monitoring sensor network using Radio Frequency waves, an ad hoc network that uses Ultra Wide Band Radio, and an acoustic underwater sensor network for environmental monitoring.
Vibration mitigation systems in structural engineering
The scope of the book is the application of vibration mitigation systems in structural engineering. The content includes the theoretical background covering aspects from structural dynamics and control engineering. Passive, active and semi-active devices will be explained giving mathematical principles, designs and application examples.
Usability of Speech Dialog Systems : Listening to the Target Audience
This book is based on the fact that it is the usersâ judgments that is the final measure regarding usability and acceptance of any speech dialog system. It is the aim of this book to share views from experts from industry and academia who look a step ahead, providing their strategies and approaches for the future of user-friendly speech dialog systems.Contributions spotlight issues such as automatic user classification, uncovering users’ interaction schemes, speech interaction as part of multimodal user interfaces, relation of subjective and objective data, and the role of voice and style in designing a brand specific acoustic appearance
Urban Forest Acoustics
Trees can reduce noise by sound reflection and absorption and this is the first book bringing together the widely scattered literature on noise abatement by urban trees. The book will interest those concerned with environmental management, noise control, and urban forestry.
Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines
The papers represent the latest in state of the art research in the areas of aeroacoustics, aerothermodynamics, computational methods, experimental testing related to flow instabilities, flutter, forced response, multistage, and rotor-stator effects for turbomachinery.
Universality of Nonclassical Nonlinearity : Applications to Non-Destructive Evaluations and Ultrasonics
Comes as a result of the research work developed in the framework of two international projects: the European Science Foundation supported program NATEMIS (Nonlinear Acoustic Techniques for Micro-Scale Damage Diagnostics) and a Los Alamos-based international network. The main topics of both the programs and the book cover the phenomenology, theory and applications of Nonclassical Nonlinearity (NCNL). NCNL techniques have been found in recent years to be extremely powerful (up to 1000 times more than the corresponding linear techniques) in a wide range of applications, including Material Characterization, Ultrasonics, Geophysics and Maintenance and Restoration of artifacts. These techniques are being adopted as the main inspection and research tool in another European program: AERONEWS (Health monitoring of aircraft by nonlinear elastic wave propagation).
Understanding acoustics : An experimentalist’s view of sound and vibration
Focuses on experiments and on approximation techniques rather than mathematical rigor. The second edition has benefited from comments and corrections provided by many acousticians, in particular those who have used the first edition in undergraduate and graduate courses. For example, phasor notation has been added to clearly distinguish complex variables, and there is a new section on radiation from an unbaffled piston
Uncertainty in Mechanical Engineering ; Proceedings of the 4th International Conference on Uncertainty in Mechanical Engineering (ICUME 2021), June 7–8, 2021
Reports on methods and technologies to describe, evaluate and control uncertainty in mechanical engineering applications. It brings together contributions by engineers, mathematicians and legal experts, offering a multidisciplinary perspective on the main issues affecting uncertainty throughout the complete system lifetime, which includes process and product planning, development, production and usage. The book is based on the proceedings of the 4th International Conference on Uncertainty in Mechanical Engineering (ICUME 2021), organized by the Collaborative Research Center (CRC) 805 of the TU Darmstadt, and held online on June 7–8, 2021. All in all, it offers a timely resource for researchers, graduate students and practitioners in the field of mechanical engineering, production engineering and engineering optimization.
Ultrasonic ranging and object detection using arduino
This project aims to develop a novel method for recognizing the shape of an object located behind thin medium utilizing combination of ultrasonic sensor signal. This system is extensively designed so that it can recognize objects in front of the sensor. Once the object approach near ultrasonic sensor system will identify shapes of the objects. The sensor mounted on the servo dc motor and connected to Arduino. When it detects an object, it will take a photo using camera then send it to computer to process it using MATLAB to give close answer of what this thing.
Tuning, Timbre, Spectrum, Scale
Focuses on perceptions ofconsonance and dissonance, and how these are dependent on timbre. This alsorelates to musical scale: certain timbres sound more consonant in some scalesthan others. Sensory consonance and the ability to measure it have importantimplications for the design of audio devices and for musical theory andanalysis. Applications include methods of adapting sounds for arbitrary scales,ways to specify scales for nonharmonic sounds, and techniques of soundmanipulation based on maximizing (or minimizing) consonance. Specialconsideration is given here to a new method of adaptive tuning that canautomatically adjust the tuning of a piece based its timbral character so as tominimize dissonance. Audio examples illustrating the ideas presented areprovided for free on the Springer Extras website (http://extras.springer.com).
Trends and challenges in robotic applications
Research performed on robotic applications has significantly expanded in the last decade, and currently, robotic systems are being utilized for many purposes. To achieve this generalized application of robots, researchers have endeavoured to study a wide variety of methods and algorithms in order to properly employ robotic systems in many real-life scenarios. At present, many types of robotic platforms are being employed in various applications, e.g., dual-arm robots, parallel robots, mobile robots, humanoid robots, aerial robots, underwater robots, and micro/nano robots. Moreover, some theoretical tools are specially being used to obtain correct robot performance, e.g., machine learning, artificial intelligence, multi-agent systems, and control and planning theory. The purpose of this reprint is to exhibit the current state of robotic applications. In particular, in addition to introducing novel theories and methods, this reprint is particularly focused on the application of robotic systems in real-life situations.
Transducers and Arrays for Underwater Sound
This book is concerned with the theory, development and design of electroacoustic transducers for underwater applications, and is more comprehensive than any existing book in this field. It includes the basics of the six major types of electroacoustic transducers, with emphasis on the piezoelectric ceramic transducers that are currently most widely used.
Topics in Acoustic Echo and Noise Control : Selected Methods for the Cancellation of Acoustical Echoes, the Reduction of Background Noise, and Speech Processing
In this book, an international team of highly qualified experts treats important topics in acoustic echo and noise control and reports the latest developments. Methods for enhancing the quality of speech signals are gaining growing attention in universities and in industrial development laboratories.
The Sound of Silence:Lowest-Noise RIAA Phono-Amps : Designer's Guide
There is a wide field of tasks left that can only be satisfyingly attacked with the help of old-fashioned analogue technology, and one of the most important are amplifiers for analogue signals - such as for audio purposes. The content of this book will lead to affordable phono amplifier design approaches which will end up in lowest-noise solutions not far away from the edge of physical boundaries set by room temperature and given cartridges - thus, fully compatible with very expensive so called “high-end” or “state-of-the-art” offers on today markets - and, from a noise point of view in most cases outperforming them!
The Science and Applications of Acoustics
Treats the broad range of acoustics from the basics of wave propagation in solids and fluids to applications such as noise control and cancellation, underwater acoustics, music and music synthesis, sonoluminescence, and medical diagnostics with ultrasound.
The Physics of Birdsong
In recent years birdsong has developed into an extremely interesting problem for researchers in several branches of the scientific community. The reason is that of the approximately 10,000 species of birds known to exist, some 4000 share with humans (and just a few other species in the animal kingdom) a remarkable feature: their acquisition of vocalization requires a certain degree of exposure to a tutor. Between the complex neural architecture involved in the process and the song itself, stands a delicate apparatus that the bird must control with incredible precision. This book deals with the physical mechanisms at work in the production of birdsong, the acoustic effects that the avian vocal organ is capable of generating, and the nature of the neural instructions needed to drive it. The book provides fascinating reading for physicists, biologists and general readers alike.
The Music of the Big Bang : The Cosmic Microwave Background and the New Cosmology
Most cosmological information is encoded in the cosmic background radiation by acoustic oscillations in the dense plasma that filled the primordial Universe: a "music" of the big bang, which cosmologists have long been trying to reconstruct and analyze, in order to distinguish different cosmological models, much like one can distinguish different musical instruments by their timbre and overtones. Only lately, this amazing cosmic sound has been unveiled by such experiments as BOOMERANG and MAXIMA and, more recently, by the WMAP satellite. This led to a giant leap in our understanding of the Universe, but the investigation is not ended yet.
Structure-Borne Sound : Structural Vibrations and Sound Radiation at Audio Frequencies
Structure-Borne Sound" is a thorough introduction to structural vibrations with emphasis on audio frequencies and the associated radiation of sound. The book presents in-depth discussions of fundamental principles and basic problems, in order to enable the reader to understand and solve his own problems. It includes chapters dealing with measurement and generation of vibrations and sound, various types of structural wave motion, structural damping and its effects, impedances and vibration responses of the important types of structures, as well as with attenuation of vibrations, and sound radiation from structures. For the third edition, the author fundamentally revised and newly organized the contents of the work. Nevertheless, the intention has been to preserve the style of the previous editions, namely to focus on the fundamentals enabling the reader to analyse further problems.
Structural Sensitivity Analysis and Optimization 2 : Nonlinear Systems and Applications
Concerns the relationship between design variables available to the design engineer and structural responses determined by the laws of mechanics. The dependence of response measures such as displacement, stress, strain, natural frequency, buckling load, acoustic response, frequency response, noise-vibration-harshness (NVH), thermo-elastic response, and fatigue life on the material property, sizing, component shape, and configuration design variables is defined through the energy principles (governing equations) of structural mechanics. In this 2-volume set, first- and second- order design sensitivity analyses are presented for static and dynamics responses of both linear and nonlinear elastic structural systems, including elasto-plastic and frictional contact problems.
Stability and Wave Motion in Porous Media
Describes several tractable theories for fluid flow in porous media while the important mathematical questions about structural stability and spatial decay are addressed. Thermal convection and stability of other flows in porous media are covered and a chapter is devoted to the problem of stability of flow in a fluid overlying a porous layer. Nonlinear wave motion in porous media is analysed, and waves in an elastic body with voids are investigated. Acoustic waves in porous media are also analysed in some detail.
