Tag Archives: Develop

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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Conservation Agriculture

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Conservation Agriculture by Muhammad Farooq and Kadambot Siddique
English | 2014 | ISBN: 3319116193 | 665 pages | PDF | 20 MB

Conservation Agriculture
Conservation agriculture-consisting of four components including permanent soil cover, minimum soil disturbance, diversified crop rotations and integrated weed management-is considered the principal pathway to sustainable agriculture and the conservation of natural resources and the environment. Leading researchers in the field describe the basic principles of conservation agriculture, and synthesize recent advances and developments in conservation agriculture research. This book is a ready reference on conservation agriculture and reinforces the understanding for its utilization to develop environmentally sustainable and profitable food production systems. The book describes various elements of conservation agriculture; highlights the associated breeding and modeling efforts; analyses the experiences and challenges in conservation agriculture in different regions of the world; and proposes some pragmatic options and new areas of research in this very important area of agriculture.
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Agroecology, Ecosystems, and Sustainability

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Agroecology, Ecosystems, and Sustainability (Advances in Agroecology) by Noureddine Benkeblia
2014 | ISBN: 1482233010 | English | 393 pages | PDF | 12 MB

Agroecology, Ecosystems, and Sustainability
We hear a lot about how agriculture affects climate change and other environmental issues, but we hear little about how these issues affect agriculture. When we look at both sides of the issues, we can develop better solutions for sustainable agriculture without adversely affecting the environment. explores a modern vision of ecology and agricultural systems, so that crop production can be sustainably developed without further environmental degradation.

With contributions from experts from more than 20 countries, the book describes how to make the transition to modern agroecology to help the environment. It examines the global availability of natural resources and how agroecology could allow the world population to reach the goal of global sustainable ecological, agricultural, and food production systems. The book discusses important principles that regulate agroecological systems, including crop production, soil management, and environment preservation.

Making the link between theory and practices, the book includes examples of agroecology such as an interdisciplinary framework for the management of integrated production and conservation landscapes and the use of mechanized rain-fed farming and its ecological impact on drylands. An examination of how ecology and agriculture can be allied to ensure food production and security without threatening our environment, the text shows you how natural resources can be used in a manner to create a "symbiosis" to preserve ecological systems and develop agriculture.
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Agroecology, Ecosystems, and Sustainability

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Agroecology, Ecosystems, and Sustainability (Advances in Agroecology) by Noureddine Benkeblia
2014 | ISBN: 1482233010 | English | 393 pages | PDF | 12 MB

Agroecology, Ecosystems, and Sustainability
We hear a lot about how agriculture affects climate change and other environmental issues, but we hear little about how these issues affect agriculture. When we look at both sides of the issues, we can develop better solutions for sustainable agriculture without adversely affecting the environment. explores a modern vision of ecology and agricultural systems, so that crop production can be sustainably developed without further environmental degradation.

With contributions from experts from more than 20 countries, the book describes how to make the transition to modern agroecology to help the environment. It examines the global availability of natural resources and how agroecology could allow the world population to reach the goal of global sustainable ecological, agricultural, and food production systems. The book discusses important principles that regulate agroecological systems, including crop production, soil management, and environment preservation.

Making the link between theory and practices, the book includes examples of agroecology such as an interdisciplinary framework for the management of integrated production and conservation landscapes and the use of mechanized rain-fed farming and its ecological impact on drylands. An examination of how ecology and agriculture can be allied to ensure food production and security without threatening our environment, the text shows you how natural resources can be used in a manner to create a "symbiosis" to preserve ecological systems and develop agriculture.
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Understanding Developmental Language Disorders: From Theory to Practice

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Understanding Developmental Language Disorders: From Theory to Practice by Courtenay Frazier Norbury and J. Bruce Tomblin
English | 2008-06-27 | ISBN: 1841696668, 1841696676 | PDF | 248 pages | 3 MB

Understanding Developmental Language Disorders: From Theory to Practice
Developmental language disorders (DLD) occur when a child fails to develop his or her native language often for no apparent reason. Delayed development of speech and/or language is one of the most common reasons for parents of preschool children to seek the advice of their family doctor. Although some children rapidly improve, others have more persistent language difficulties. These long-term deficits can adversely affect academic progress, social relationships and mental well-being.

Although DLDs are common, we are still a long way from understanding what causes them and how best to intervene. Understanding Developmental Language Disorders summarises the recent research developments in genetics and neuroimaging studies, assessment techniques and treatment studies to provide an overview of all aspects of DLD. The book investigates the possible genetic and biological causes of the disorder, how best to assess children's language skills to identify when and where communication breakdown occurs, what the long-term outcomes are for children who grow up with DLD, overlaps between DLD and other childhood disorders such as dyslexia and autism and how best to treat children with the disorder. Each chapter is written by a leading authority in the field in a format accessible to researchers, clinicians and families alike.

This book, with its focus on both theory and practice, will be invaluable to students and researchers of speech-language pathology, psychology, psychiatry, linguistics and education. It will also be of interest to practicing speech-language pathologists, clinical psychologists, psychiatrists, educational psychologists, and teachers and parents of children with developmental language disorders.
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ACSM’s Health-Related Physical Fitness Assessment Manual, 2nd edition

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ACSM's Health-Related Physical Fitness Assessment Manual, 2nd edition by American College of Sports Medicine
English | 2007-03-19 | ISBN: 0781775493 | PDF | 208 pages | 72,6 MB

ACSM’s Health-Related Physical Fitness Assessment Manual, 2nd edition
From the American College of Sports Medicine (ACSM), this text provides the reader with the information necessary to develop skills for assessing an individual's health-related physical fitness. It provides a practical "how-to-do-it" approach for performing assessment skills effectively, and an understanding of the theory behind and the importance of each skill or assessment. This edition has a new chapter on postural analysis and body alignment assessments, new photographs of key assessments and techniques, and updated references to ACSM's Guidelines for Exercise Testing and Prescription, Seventh Edition.
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ACSM’s Health-Related Physical Fitness Assessment Manual, 2nd edition

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ACSM's Health-Related Physical Fitness Assessment Manual, 2nd edition by American College of Sports Medicine
English | 2007-03-19 | ISBN: 0781775493 | PDF | 208 pages | 72,6 MB

ACSM’s Health-Related Physical Fitness Assessment Manual, 2nd edition
From the American College of Sports Medicine (ACSM), this text provides the reader with the information necessary to develop skills for assessing an individual's health-related physical fitness. It provides a practical "how-to-do-it" approach for performing assessment skills effectively, and an understanding of the theory behind and the importance of each skill or assessment. This edition has a new chapter on postural analysis and body alignment assessments, new photographs of key assessments and techniques, and updated references to ACSM's Guidelines for Exercise Testing and Prescription, Seventh Edition.
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CFDs For Dummies, Australian Edition

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CFDs For Dummies, Australian Edition by David Land
2011 | ISBN: 1742169392 | English | 320 pages | PDF | 3 MB

CFDs For Dummies, Australian Edition
Created especially for the Australian customer!
Take advantage of the bestfeatures of these versatilederivatives

CFDs enable you to have control over a wide variety of financial products for just a fraction of their underlying value. But with their potential for higher return also comes higher risk. CFDs For Dummies gives you clear advice on how to make the most of these exciting products – while managing your risk at all times.

Diversify your portfolio and increase your trading opportunities – trade across various financial instruments, including shares, foreign exchange, indices and commodities, within Australia and internationally

Use stop loss orders and position sizing – manage your risk by knowing how much you stand to lose if you get a trade wrong, before you even open it

Develop your trading strategy – analyse your trading behaviour, develop a trading plan and track your progress
Work out short- and longer-term trading strategies – hold your positions open for only a few hours, or over several months
Take advantage of short selling strategies – make profits in a falling market, or hedge your overall portfolio against short-term losses

Open the book and find:

How much to leverage your trading account
How to manage trading across different time zones – and get some sleep!
Strategies to invest in commodity CFDs such as oil CFDs and gold CFDs
Ways announcements and news releases can affect prices – and how you can manage this through your trading strategy
How technical analysis can help you identify trading opportunities
Whether you really need to spend a lot of money on your charting software
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Introduction to Polymer Compounding: Raw Materials, Volume 1

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Introduction to Polymer Compounding: Raw Materials, Volume 1 By Dr. Muralisrinivasan Natama Subramanian
2014 | 138 Pages | ISBN: 1909030600 | PDF | 1 MB

Introduction to Polymer Compounding: Raw Materials, Volume 1
Polymer Compounding, Volume 1 focuses on aspects of the raw materials used in polymer processing. Polymer compounding comprises a complex heterogeneous system of polymers and other ingredients and, in many ways, the preparation of these materials is still very much an art. It is a powerful tool that will eventually be required as one of the basics of polymer processing. This book provides readers with a wide array of state-of-the-art strategies to develop their knowledge about compounding and the use of polymers while minimising wastage during processing. Details about polymer properties and additives are assembled to provide a one-source repository for compounding. Another important point to be considered in the book is the combination of polymers and additives and the essentials required for the development of economic and environmental incentives in polymer processing. This book will encourage further studies to understand the scientifically challenging polymer processing issues arising during the manufacture of parts for end-use applications. Finally, this volume presents an overview of polymer compounding requirements, as well as an idea of some of the future directions, advances and challenges of polymer processing.
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Roll of Thunder from the Void: Volume 2: Vajrakila Texts of the Northern Treasures Tradition

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Roll of Thunder from the Void: Volume 2: Vajrakila Texts of the Northern Treasures Tradition by Martin J. Boord
English | 2012 (2010) | ISBN: 3942380056 | ISBN-13: 9783942380058 | 432 pages | PDF | 19,3 MB
This important collection of teachings from the Northern Treasures Vajrakila cycle includes liturgical practice texts (sadhana) from the original treasure revelations, together with explanatory notes and commentaries by the 17th century master Padma 'phrin-las on how to take these practices into a closed retreat and employ them for the highest benefit of oneself and all living beings.

Roll of Thunder from the Void: Volume 2: Vajrakila Texts of the Northern Treasures Tradition
Having become empowered in the mandala of Vajrakila by a master guru, trainees may use the skillful esoteric techniques, described herein, in order to develop a profound experiential certainty of the true nature of reality. These texts are manuals, designed to be studied by disciplined individuals who wish to train themselves in skilful altruism. They are traditional methods for overcoming the instincts of egoistic self-interest, allowing the mind to become focussed on the general welfare of the world, so that beneficial changes of great social value may be brought about in both thought and behaviour. Painstakingly researched and annotated, this volume includes English translations of eight important texts, together with much of the original Tibetan. Within the instructions for the preparation and protection of the retreat area are hitherto unpublished details of the means to suppress the various classes of afflicting demons (sri) that are potential causes of downfall for all tantric yogins. This is an ancient and vital aspect of vajrayana ritual practice that has been much neglected until now.
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