Tag Archives: Sources

Study and Design of Differential Microphone Arrays

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Jacob Benesty, Jingdong Chen, "Study and Design of Differential Microphone Arrays"
English | 2013 | ISBN-10: 364233752X, 3642427561 | 180 pages | PDF | 6 MB

Study and Design of Differential Microphone Arrays
Microphone arrays have attracted a lot of interest over the last few decades since they have the potential to solve many important problems such as noise reduction/speech enhancement, source separation, dereverberation, spatial sound recording, and source localization/tracking, to name a few. However, the design and implementation of microphone arrays with beamforming algorithms is not a trivial task when it comes to processing broadband signals such as speech. Indeed, in most sensor arrangements, the beamformer output tends to have a frequency-dependent response. One exception, perhaps, is the family of differential microphone arrays (DMAs) who have the promise to form frequency-independent responses. Moreover, they have the potential to attain high directional gains with small and compact apertures. As a result, this type of microphone arrays has drawn much research and development attention recently. This book is intended to provide a systematic study of DMAs from a signal processing perspective. The primary objective is to develop a rigorous but yet simple theory

for the design, implementation, and performance analysis of DMAs. The theory includes some signal processing techniques for the design of commonly used first-order, second-order, third-order, and also the general Nth-order DMAs. For each order, particular examples are given on how to form standard directional patterns such as the dipole, cardioid, supercardioid, hypercardioid, subcardioid, and quadrupole. The study demonstrates the performance of the different order DMAs in terms of beampattern, directivity factor, white noise gain, and gain for point sources. The inherent relationship between differential processing and adaptive beamforming is discussed, which provides a better understanding of DMAs and why they can achieve high directional gain. Finally, we show how to design DMAs that can be robust against white noise amplification.
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“Acoustic Waves: From Microdevices to Helioseismology” ed. by Marco G. Beghi

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"Acoustic Waves: From Microdevices to Helioseismology" ed. by Marco G. Beghi
InTeOpP | 2011 | ISBN: 9533075724 9789533075723 | 665 pages | PDF | 51 MB
This book presents several aspects of the active research ongoing in the field of Acoustic Waves. Theoretical efforts are leading to a deeper understanding of phenomena, also in complicated environments like the solar surface boundary. A whole class of widespread microdevices, including filters and sensors, is based on the behaviour of acoustic waves propagating in thin layers. The search for better performances is driving to new materials for these devices, and to more refined tools for their analysis.

“Acoustic Waves: From Microdevices to Helioseismology” ed. by Marco G. Beghi
Contents
Part 1 Theoretical and Numerical Investigations of Acoustic Waves
1 Analysis of Acoustic Wave in Homogeneous and Inhomogeneous Media Using Finite Element Method
2 Topological Singularities in Acoustic Fields due to Absorption of a Crystal
3 An Operational Approach to the Acoustic Analogy Equations
4 Exact Solutions Expressible in Hyperbolic and Jacobi Elliptic Functions of Some Important Equations of Ion-Acoustic Waves
5 A coustic Wave
Part 2 Acoustic Waves as Investigative Tools
6 Acoustic Waves: A Probe for the Elastic Properties of Films
7 Evaluation Method for Anisotropic Drilling Characteristics of the Formation by Using Acoustic Wave Information
8 Machinery Faults Detection Using Acoustic Emission Signal
9 Compensation of Ultrasound Attenuation in Photoacoustic Imaging
10 Low Frequency Acoustic Devices for Viscoelastic Complex Media Characterization
11 Modeling of Biological Interfacial Processes Using Thickness-Shear Mode Sensors
12 Analysis of Biological Acoustic Waves by Means of the Phase-Sensitivity Technique
13 Photoacoustic Technique Applied to Skin Research: Characterization of Tissue, Topically Applied Products and Transdermal Drug Delivery
14 Acoustic-Gravity Waves in the Ionosphere During Solar Eclipse Events
Part 3 Acoustic Waves as Manipulative Tools
15 Use of Acoustic Waves for Pulsating Water Jet Generation
16 Molecular Desorption by Laser-Driven Acoustic Waves: Analytical Applications and Physical Mechanisms
17 Excitation of Periodical Shock Waves in Solid-State Optical Media (Yb:YAG, Glass) at SBS of Focused Low-Coherent Pump Radiation: Structure Changes, Features of Lasing
18 An Optimal Distribution of Actuatorsin Active Beam Vibration: Some Aspects, Theoretical Considerations
Part 4 Acoustic Wave Based Microdevices
19 Multilayered Structure as a Novel Material for Surface Acoustic Wave Devices: Physical Insight
20 SAW Parameters Analysis and Equivalent Circuit of SAW Device
21 Sources of Third-Order Intermodulation Distortion in Bulk Acoustic Wave Devices: A Phenomenological Approach
22 Shear Mode Piezoelectric Thin Film Resonators
23 Polymer Coated Rayleigh SAW and STW Resonators for Gas Sensor Applications
24 Ultrananocrystalline Diamond as Material for Surface Acoustic Wave Devices
25 Aluminum Nitride (AIN) Film Based Acoustic Devices: Material Synthesis and Device Fabrication
26 Surface Acoustic Wave Devices for Harsh Environment
27 Applications of In-Fiber Acousto-Optic Devices
28 Surface Acoustic Waves and Nano-Electromechanical Systems
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Soft Target Hardening: Protecting People from Attack

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Soft Target Hardening: Protecting People from Attack by Jennifer Hesterman
2014 | ISBN: 1482244217 | English | 321 pages | PDF | 17 MB

Soft Target Hardening: Protecting People from Attack
Terrorist attacks occur daily and are increasingly being aimed at civilian populations around the world. Battlefield lines have been redrawn to include churches, schools, hospitals, and malls. This breach of moral boundary is shocking and invokes fear-two primary goals of terrorism.
Although there is an increase in soft target activity-or attacks on places of worship, study, and leisure-there is hesitation to explore such susceptibility in the United States. starts the national dialogue by providing case studies, best practices, and methodologies for identifying soft target vulnerabilities and reducing risk in the US. Offering deterrence and mitigation techniques from more than 275 sources, this comprehensive book:

Explores US cultural nuances contributing to the country turning a psychological blind eye toward soft target threats
Assesses the attractiveness of soft target threats presented by foreign and domestic terror groups and drug trafficking organizations
Analyzes the unique vulnerabilities of churches, schools, hospitals, malls, sporting and recreational events, and other soft targets
Gives an overview of soft target hardening tactics from global hotspots, including first-person accounts and photographs
Introduces the concept of effects-based hardening, derived from the military model of effects-based operations
Discusses emerging soft target challenges such as insider threats, kidnapping, and use of human shields
Evaluates the likelihood of the use of weapons of mass destruction against civilian-centric venues
is a must read for those who secure, own, and operate soft target facilities, and for citizens who want to protect themselves and their families from attack.
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Seed Oil: Biological Properties, Health Benefits and Commercial Applications

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Seed Oil: Biological Properties, Health Benefits and Commercial Applications by Alexis Varnham
English | 2014 | ISBN: 1634630564 | 1019 pages | PDF | 3 MB

Seed Oil: Biological Properties, Health Benefits and Commercial Applications
The importance of fats for humans, animals and plants lies in their high content of energy. In addition, fats allow humans and animals to consume fat-soluble vitamins and provide them with essential fatty acids (FAs), which are indispensable because their bodies are unable to synthesize themselves. Vegetable oils are used for many food and industrial purposes. Although a wide variety of sources of vegetable oils, global consumption is dominated by palm, soybean, rapeseed and sunflower oils. In recent years there has been development of underexploited promising plant species as a source of dietary or specialty oils. Many of them contain significant quantities of oils and/or a high proportion of nutritionally, medicinally or industrially desirable FAs. This book discusses the biological properties, health benefits and commercial applications on seed oils.
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Significance of Yavneh & Other Essays in Jewish Hellenism

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Shaye J. D. Cohen, "Significance of Yavneh & Other Essays in Jewish Hellenism"
English | ISBN: 3161503759 | 2010 | 629 pages | PDF | 4 MB

Significance of Yavneh & Other Essays in Jewish Hellenism
This volume collects thirty essays by Shaye J.D. Cohen. First published between 1980 and 2006, these essays deal with a wide variety of themes and texts: Jewish Hellenism; Josephus; the Synagogue; Conversion to Judaism; Blood and Impurity; the boundary between Judaism and Christianity. What unites them is their philological orientation. Many of these essays are close studies of obscure passages in Jewish and Christian texts.
The essays are united too by their common assumption that the ancient world was a single cultural continuum; that ancient Judaism, in all its expressions and varieties, was a Hellenism; and that texts written in Hebrew share a world of discourse with those written in Greek. Many of these essays are well-known and have been much discussed in contemporary scholarship. Among these are: "The Significance of Yavneh" (the title essay), "Patriarchs and Scholarchs," "Masada: Literary Tradition, Archaeological Remains, and the Credibility of Josephus," "Epigraphical Rabbis," "The Conversion of Antoninus," "Menstruants and the Sacred in Judaism and Christianity," and "A Brief History of Jewish Circumcision Blood."
Survey of contents:
Jewish Hellenism The Beauty of Flora and the Beauty of Sarai – Sosates the Jewish Homer – The Destruction: From Scripture to Midrash – The Significance of Yavneh – Patriarchs and Scholarchs – False Prophets (4Q339), Netinim (4Q340), and Hellenism at Qumran
Josephus Josephus, Jeremiah, and Polybius – History and Historiography in the Against Apion of Josephus – Masada: Literary Tradition, Archaeological Remains, and the Credibility of Josephus – Parallel Historical Tradition in Josephus and Rabbinic Literature – Alexander the Great and Jaddus the High Priest According to Josephus – Respect for Judaism by Gentiles in the Writings of Josephus – Ioudaios to genos and Related Expressions in Josephus
Synagogues and Rabbis Epigraphical Rabbis – Pagan and Christian Evidence on the Ancient Synagogue – Were Pharisees and Rabbis the Leaders of Communal Prayer and Torah Study in Antiquity? The Evidence of the New Testament, Josephus, and the Early Church Fathers – The Place of the Rabbi in the Jewish Society of the Second Century
Conversion and Intermarriage Was Judaism in Antiquity a Missionary Religion? – Adolf Harnack's The Mission and Expansion of Judaism: Christianity Succeeds where Judaism Fails – Is `Proselyte Baptism' Mentioned in the Mishnah? The Interpretation of M. Pesahim 8:8 – The Conversion of Antoninus – On Murdering or Injuring a Proselyte – Solomon and the Daughter of Pharaoh: Intermarriage, Conversion, and the Impurity of Women
Women and Blood Menstruants and the Sacred in Judaism and Christianity – Purity, Piety, and Polemic: Medieval Rabbinic Denunciations of `Incorrect' Purification Practices – A Brief History of Jewish Circumcision Blood
Judaism and Christianity Judaism without Circumcision and `Judaism' without `Circumcision' in Ignatius – Between Judaism and Christianity: the Semi-Circumcision of Christians According to Bernard Gui, his Sources, and R. Eliezer of Metz – Does Rashi's Torah Commentary Respond to Christianity? A Comparison of Rashi with Rashbam and Bekhor Shor – A Virgin Defiled: Some Rabbinic and Christian Views on the Origins of Heresy
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Sabotage: America’s Enemies Within the CIA

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Sabotage: America's Enemies Within the CIA By Rowan Scarborough
2007 | 229 Pages | ISBN: 1596985100 | PDF | 3 MB

Sabotage: America’s Enemies Within the CIA
How Bush-hating CIA Bureaucrats Are Sabotaging the War on Terror Since the attacks on September 11, 2001, intelligence collection has become the number-one weapon in the effort to defeat al Qaeda and Osama bin Laden. A Description penetrated is an attack stopped. And to the outside observer, the CIA has performed well as a key partner in the Bush administration's War on Terror. But as Rowan Scarborough reveals in this groundbreaking new book, significant elements within the CIA are undermining both the president and national security through leaks, false allegations, and outright sabotage. Using his first-rate sources in all levels of national security–from field officers to high-ranking analysts to former intelligence heads–Scarborough paints a disturbing picture of partisan politics endangering the success of our campaigns abroad and the very lives of our soldiers and agents. In Sabotage, you'll learn: * How CIA analysts repeatedly leak details about classified intelligence programs with the dual intent of ending them and damaging the president * How, on at least eight occasions, intelligence officials have made serious allegations of wrongdoing against the president's men–which turned out to be false * Why, contrary to popular belief, the CIA has become predominantly liberal * How a CIA turf battle prevented special operators from pursuing and capturing a notorious Taliban leader * How current and former CIA officers fueled conspiracy theories that President Bush orchestrated the 9/11 attacks on America * How a CIA leak to the New York Times deprived the U.S. of critical information in the War on Terror * How press leaks by the CIA have damaged relations with our foreign allies in the War on Terror * How a CIA analyst worked with Democrats to sabotage the nomination of John Bolton to the UN * How Clinton's downsizing of the CIA led to the closing of stations in scores of jihadist breeding grounds–including Hamburg, Germany, where the 9/11 Description was hatched The CIA's job is to collect facts and let the White House, the Pentagon, and the State Department make national security policy. But, as Scarborough conclusively demonstrates, an agency that is supposed to be scrupulously nonpartisan has become increasingly political–during a time of war–against America's elected commander in chief.
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The Dynamics of Linguistic Variation: Corpus evidence on English past and present

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The Dynamics of Linguistic Variation: Corpus evidence on English past and present by Prof. Dr. Terttu Nevalainen and Prof. Dr. Irma Taavitsainen
English | 2008-12-03 | ISBN: 9027234825 | PDF | 347 pages | 3 MB

The Dynamics of Linguistic Variation: Corpus evidence on English past and present
Variability is characteristic of any living language. This volume approaches the ‘life cycle’ of linguistic variability in English using data sources that range from electronic corpora to the internet. In the spirit of the 1968 Weinreich, Labov and Herzog classic, the fifteen contributions divide into three sections, each highlighting different stages in the dynamics of English across time and space. They show, first, how increase in variability can be initiated by processes that give rise to new patterns of discourse, which can ultimately crystallize into new grammatical elements. The next phase is the spread of linguistic features and patterns of discourse, both new and well established, through the social and regional varieties of English. The final phase in this ebb and flow of linguistic variability consists of processes promoting some variable features over others across registers and regional and social varieties, thus resulting in reduced variation and increased linguistic homogeneity.
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Envoys and Political Communication in the Late Antique West, 411-533

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Envoys and Political Communication in the Late Antique West, 411-533 By Andrew Gillett
Publisher: C U P 2003 | 364 Pages | ISBN: 0521813492 | PDF | 3 MB

Envoys and Political Communication in the Late Antique West, 411-533
Examining the role of envoys from the establishment of the first "barbarian kingdoms" in the West, to the eve of Justinian's wars of reconquest, this study reveals how Roman imperial administration influenced new patterns of political interaction in the earliest medieval states. Close analysis of sources with special interest in embassies offers insight into a variety of genres: chronicles, panegyrics, hagiographies, letters, and epitaphs. The study will make a significant contribution to the developing field of ancient and medieval communication.
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Pro Access 2010 Development

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Pro Access 2010 Development By Mark Collins
Publisher: Apr..ess 2011 | 604 Pages | ISBN: 1430235780 | PDF | 22 MB

Pro Access 2010 Development
is a fundamental resource for developing business applications that take advantage of the features of Access 2010 and the many sources of data available to your business. In this book, you'll learn how to build database applications, create Web-based databases, develop macros and Visual Basic for Applications (VBA) tools for Access applications, integrate Access with SharePoint and other business systems, and much more.
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Who’s Who In Classical Mythology by Michael Grant

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Who's Who In Classical Mythology by Michael Grant
English | 2002 | ISBN: 0415391121 | 581 Pages | PDF | 13 MB
Product Description Who's Who in Classical Mythology is an indispensable guide to all the Greek and Roman mythological characters, from major deities such as Athena and Bacchus, to the lesser-known wood nymphs and centaurs. Also included, of course, are the heroic mortals, figures such as Jason, Aeneas, Helen, Achilles, and Odysseus, all brought to life in a fascinating series of portraits drawn from a wide variety of ancient literary sources.

Who’s Who In Classical Mythology by Michael Grant
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