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Books > Professional & Technical > Electronics & communications engineering

My Samsung Galaxy Note 4 (Paperback): Craig James Johnston, Guy Hart-Davis My Samsung Galaxy Note 4 (Paperback)
Craig James Johnston, Guy Hart-Davis
R350 R102 Discovery Miles 1 020 Save R248 (71%) In stock

My Samsung Galaxy Note 4 helps you quickly get started with your Note 4 and use its features to perform day-to-day activities from anywhere, any time.

Full-color, step-by-step tasks walk you through getting and keeping your Samsung Galaxy Note 4 working just the way you want.

Learn how to:

  • Make the most of Galaxy Note 4's powerful hardware--from S Pen to sensors
  • Connect the right way at the right time, with Bluetooth, Wi-Fi, VPNs, NFC, and beaming
  • Transform your Galaxy Note 4 into a Wi-Fi hotspot others can share
  • Access websites fast and sync bookmarks across all your devices
  • Customize your wallpaper, keyboard, sound, display, and language
  • Efficiently manage your life: messages, contacts, meetings, and more
  • Use GPS and Google Maps to find any destination and never get lost
  • Get the exact information you need right now, with Google Now
  • Play, sync, and manage media--from music to YouTube videos
  • Store your music collection in the cloud, so you can listen anywhere
  • Make plans faster by adding participants to calls in progress
  • Automatically reject calls you don't want
  • Read ebooks and magazines with Google Play or the Amazon Kindle app
  • Find the best new apps and games on Google Play--even great freebies
  • Keep your Galaxy Note 4 up-to-date, reliable, and secure
  • Stay up-to-date seamlessly by using your Galaxy Note 4 with your Android Wear Smartwatch

My Samsung Galaxy Note 4 will help you get the most from your Samsung Galaxy Note 4!

Introductory Electronics For Engineering (Paperback): M. Plodges Introductory Electronics For Engineering (Paperback)
M. Plodges
R394 R341 Discovery Miles 3 410 Save R53 (13%) Shipped within 4 - 8 working days

This book introduces students to all the basics of electronics. After working through this book, a student will have a good knowledge of: DC power supplies; signal/function generators; digital multimeters; oscilloscopes; low power analogue electronic devices.

Engineering Circuit Analysis (Paperback, 11th Edition International Student Version): J. David Irwin, R.Mark Nelms, Amalendu... Engineering Circuit Analysis (Paperback, 11th Edition International Student Version)
J. David Irwin, R.Mark Nelms, Amalendu Patnaik
R1,033 R870 Discovery Miles 8 700 Save R163 (16%) Shipped within 7 - 13 working days

Circuit analysis is the fundamental gateway course for computer and electrical engineering majors. Engineering Circuit Analysis has long been regarded as the most dependable textbook. Irwin and Nelms has long been known for providing the best supported learning for students otherwise intimidated by the subject matter. In this new 11th edition, Irwin and Nelms continue to develop the most complete set of pedagogical tools available and thus provide the highest level of support for students entering into this complex subject. Irwin and Nelms trademark student-centered learning design focuses on helping students complete the connection between theory and practice. Key concepts are explained clearly and illustrated by detailed worked examples. These are then followed by Learning Assessments, which allow students to work similar problems and check their results against the answers provided. The WileyPLUS course contains tutorial videos that show solutions to the Learning Assessments in detail, and also includes a robust set of algorithmic problems at a wide range of difficulty levels. WileyPLUS sold separately from text.

Glitch (Paperback): Sarah Graley Glitch (Paperback)
Sarah Graley 1
R265 R211 Discovery Miles 2 110 Save R54 (20%) Shipped within 7 - 12 working days

Izzy has an incredible secret -- she can enter the world of her new video game! She meets Rae, a robot who says Izzy is destined to save Dungeon City from the Big Boss. How is this possible?! And how can she fight for this virtual world when she's got a whole real life to keep up with: her family (though she could do without her mom's annoying cat), and her best friend, Eric. Things get even weirder when Izzy loses a life while inside the game, and she starts to worry about what might happen if she gets a Game Over for good. Meanwhile, Eric has been super upset with Izzy since she's been keeping secrets and bailing on their plans. Can Izzy survive Dungeon City and save their friendship?

Basic Circuit Analysis for Electrical Engineering (Paperback, illustrated edition): M. Govinsamy, L.D. Constantinovici Basic Circuit Analysis for Electrical Engineering (Paperback, illustrated edition)
M. Govinsamy, L.D. Constantinovici
R385 R333 Discovery Miles 3 330 Save R52 (14%) Shipped within 4 - 8 working days

This volume offers basic circuit analysis for electrical engineering. It covers basic concepts and useful mathematical concepts, and includes self-evaluation exercises.

Introductory digital systems for engineering (Paperback, 8th Revised edition): Mahomed Rafi Bera, Telp Introductory digital systems for engineering (Paperback, 8th Revised edition)
Mahomed Rafi Bera, Telp
R395 R341 Discovery Miles 3 410 Save R54 (14%) Shipped within 4 - 8 working days

This book teaches the principles and techniques of digital systems through a range of examples.It has step-by-step solutions to exercises and over 200 practical examples, activities and selfevaluation exercises to assist the learner. A glossary of important terms makes it easily accessible to the new learner.

Introduction to Electric Circuits (10th Revised edition): Herbert W. Jackson, Dale Temple, Brian Kelly, Karen Craigs, Lauren... Introduction to Electric Circuits (10th Revised edition)
Herbert W. Jackson, Dale Temple, Brian Kelly, Karen Craigs, Lauren Fuentes
R2,271 Discovery Miles 22 710 Shipped within 7 - 12 working days

Clear, practical, complete The classic introduction to electric circuits with an abundance of new problem sets Acclaimed for its clear, concise explanations of difficult concepts, its comprehensive problem sets and exercises, and its authoritative coverage, Introduction to Electric Circuits has set the standard for introductory circuit resources in Canada and is the most accessible, student-friendly text available.

AWS Certified Solutions Architect Study Guide - Associate SAA-C01 Exam (Paperback, 2nd Edition): Ben Piper, David Clinton AWS Certified Solutions Architect Study Guide - Associate SAA-C01 Exam (Paperback, 2nd Edition)
Ben Piper, David Clinton 1
R1,070 R685 Discovery Miles 6 850 Save R385 (36%) Shipped within 7 - 12 working days

Everything you need to know for the Solutions Architect - Associate Exam, fully updated The AWS Certified Solutions Architect Study Guide: Associate (SAA-C01) Exam is your complete and fully updated resource to the AWS Solutions Architect - Associate certification. This invaluable Sybex study guide covers all relevant aspects of the AWS Solutions Architect job role, including mapping multi-tier architectures to AWS services, loose coupling and stateless systems, applying AWS security features, deploying and managing services, designing large scale distributed systems, and many more. Written by two AWS subject-matter experts, this self-study guide and reference provides all the tools and information necessary to master the exam, earn your certification, and gain insights into the job of an AWS Solutions Architect. Efficient and logical presentation of exam objectives allows for flexible study of topics, and powerful learning tools increase comprehension and retention of key exam elements. Practice questions, chapter reviews, and detailed examination of essential concepts fully prepare you for the AWS Solutions Architect - Associate certification. The certification is highly valued in IT and cloud computing professionals. Now in a new edition--reflecting the latest changes, additions, and updates to the AWS Solutions Architect - Associate certification exam guide--this book is your complete, one-stop resource: Access the Sybex interactive learning environment and test bank, including chapter tests, practice exams, electronic flashcards, and a searchable glossary of key terms. Learn all the components of the AWS exam and know what to expect on exam day Review challenging exam topics and focus on the areas that need improvement Expand your AWS skillset and keep pace with current cloud computing technologies The AWS Certified Solutions Architect Study Guide: Associate (SAA-C01) Exam enables you to validate your skills, increase your competitive advantage, and take the next step on your career path. Comprehensive and up-to-date content and superior study tools make this guide a must-have resource for those seeking AWS Solutions Architect - Associate certification.

Mobinomics - Mxit And Africa's Mobile Revolution (Paperback): Alan Knott-Craig, Gus Silber Mobinomics - Mxit And Africa's Mobile Revolution (Paperback)
Alan Knott-Craig, Gus Silber 1
R10 R8 Discovery Miles 80 Save R2 (20%) In stock

In these crisscrossing threads are woven the fabric of a community, a society, an economy, a nation. And beyond that, the world itself. But the technology isn't the dream. The dream is what you can do with it.' Three revolutions changed the face of South Africa, the economic powerhouse of the African continent, in 1994. The first was democracy, as millions of newly-enfranchised citizens went to the polls to elect a new government. The second was the internet, bringing information, learning and entertainment into millions of homes. But the real signal of change in the air was the arrival of an electronic device that would put undreamed-of power into the hands of the people. The cellular phone. In a country where less than four per cent of the population had access to a landline phone, mobile telephony opened the gateway to new ways and new worlds of communication. Today, more than 90 per cent of South Africans own at least one mobile phone, and they're not just using them to talk to each other. Mobiles have become tools of education, entrepreneurship, trade, empowerment, activism, media and upliftment. With the advent of the mobile internet, mobiles have also become the hubs of the most powerful force in modern communication. The social network, bringing people together in an interchange of ideas, opinions, chatter and commerce that is changing the way we understand and define communities. This is the story of the biggest and fastest-growing social network in Africa. A network that took shape in the townships of the Western Cape and has grown to be part of the lives of more than 50 million users in 120 countries, sending more than 23 billion messages a month. This is the story of Mxit. A cultural force, a community of millions, with its own economy, its own infrastructure, its own language and its own traditions. This is the story of Mobinomics, the new economy of mobile, and how it is connecting people and changing lives. Read it and learn. Read it and understand. Read it and be moved by the power of mobile.

Imaging Optics (Hardcover): Joseph Braat, Peter Toeroek Imaging Optics (Hardcover)
Joseph Braat, Peter Toeroek
R1,830 R1,704 Discovery Miles 17 040 Save R126 (7%) Shipped within 7 - 12 working days

This comprehensive and self-contained text presents the fundamentals of optical imaging from the viewpoint of both ray and wave optics, within a single volume. Comprising three distinct parts, it opens with an introduction to electromagnetic theory, including electromagnetic diffraction problems and how they can be solved with the aid of standard numerical methods such as RCWA or FDTD. The second part is devoted to the basic theory of geometrical optics and the study of optical aberrations inherent in imaging systems, including large-scale telescopes and high-resolution projection lenses. A detailed overview of state-of-the-art optical system design provides readers with the necessary tools to successfully use commercial optical design software. The final part explores diffraction theory and concludes with vectorial wave propagation, image formation and image detection in high-aperture imaging systems. The wide-ranging perspective of this important book provides researchers and professionals with a comprehensive and rigorous treatise on the theoretical and applied aspects of optical imaging.

Signal Processing Algorithms for Communication and Radar Systems (Hardcover): Kung Yao Signal Processing Algorithms for Communication and Radar Systems (Hardcover)
Kung Yao
R1,673 R1,556 Discovery Miles 15 560 Save R117 (7%) Shipped within 7 - 12 working days

Based on time-tested course material, this authoritative text examines the key topics, advanced mathematical concepts, and novel analytical tools needed to understand modern communication and radar systems. It covers computational linear algebra theory, VLSI systolic algorithms and designs, practical aspects of chaos theory, and applications in beamforming and array processing, and uses a variety of CDMA codes, as well as acoustic sensing and beamforming algorithms to illustrate key concepts. Classical topics such as spectral analysis are also covered, and each chapter includes a wealth of homework problems. This is an invaluable text for graduate students in electrical and computer engineering, and an essential reference for practitioners in communications and radar engineering.

Nise's Control Systems Engineering (Paperback, Global Edition): Norman S. Nise Nise's Control Systems Engineering (Paperback, Global Edition)
Norman S. Nise
R1,037 R874 Discovery Miles 8 740 Save R163 (16%) Shipped within 7 - 13 working days

Accessibly written. Nise is noted for his clear writing and accessible presentation. Design Emphasis. Students are encouraged to go beyond a plug-and-chug approach through the use of design problems, progressive analysis and design problems, and examples and problems related to the case studies. Real-world case studies. The case studies (an autonomous submersible vehicle and an antenna position control system) are built up gradually throughout the chapters to demonstrate the analysis and design process. Strong learning-by-example pedagogical approach. Skill-assessment exercises demonstrate step-by-step techniques to solve most problems; cyber exploration labs show how to apply popular software tools (MATLAB (R), LabVIEW (R), and Simulink) to control engineering problems. Clearly ties mathematics to physical reality. Students can comprehend how theoretical concepts connect to actual system dynamics. This title is available as a WileyPLUS Global Editions course, our online teaching and learning environment which offers a collaborative and enhanced learning experience and features: Assessment tools - multiple choice questions, test banks, short answer questions Instructor Resources such as PowerPoints, links to chapters, chapter figures and tables Videos to explain concepts Analytics to track student activity Calendar options to enable easy assignment setting and tracking of students' progress Flexible platform, allowing instructors to rearrange content to suit teaching needs, or add own material Downloadable e-Textbook for students Integration into institutions' LMS ensuring students have easy access to course content SI units in both text and question bank Access to WileyPLUS Global Editions course sold separately.

Possible Minds - Twenty-Five Ways Of Looking At AI (Hardcover): John Brockman Possible Minds - Twenty-Five Ways Of Looking At AI (Hardcover)
John Brockman
R512 R353 Discovery Miles 3 530 Save R159 (31%) Shipped within 7 - 11 working days

Science world luminary John Brockman assembles twenty-five of the most important scientific minds, people who have been thinking about the field artificial intelligence for most of their careers, for an unparalleled round-table examination about mind, thinking, intelligence and what it means to be human.

More than sixty years ago, mathematician-philosopher Norbert Wiener published a book on the place of machines in society that ended with a warning: "we shall never receive the right answers to our questions unless we ask the right questions.... The hour is very late, and the choice of good and evil knocks at our door."

In the wake of advances in unsupervised, self-improving machine learning, a small but influential community of thinkers is considering Wiener's words again. In Possible Minds, John Brockman gathers their disparate visions of where AI might be taking us.

The fruit of the long history of Brockman's profound engagement with the most important scientific minds who have been thinking about AI--from Alison Gopnik and David Deutsch to Frank Wilczek and Stephen Wolfram--Possible Minds is an ideal introduction to the landscape of crucial issues AI presents. The collision between opposing perspectives is salutary and exhilarating; some of these figures, such as computer scientist Stuart Russell, Skype co-founder Jaan Tallinn, and physicist Max Tegmark, are deeply concerned with the threat of AI, including the existential one, while others, notably robotics entrepreneur Rodney Brooks, philosopher Daniel Dennett, and bestselling author Steven Pinker, have a very different view. Serious, searching and authoritative, Possible Minds lays out the intellectual landscape of one of the most important topics of our time.

Modern Electric, Hybrid Electric, and Fuel Cell Vehicles (Hardcover, 3rd New edition): Mehrdad Ehsani, Yimin Gao, Stefano... Modern Electric, Hybrid Electric, and Fuel Cell Vehicles (Hardcover, 3rd New edition)
Mehrdad Ehsani, Yimin Gao, Stefano Longo, Kambiz Ebrahimi
R2,471 Discovery Miles 24 710 Shipped within 7 - 12 working days

The book deals with the fundamentals, theoretical bases, and design methodologies of conventional internal combustion engine (ICE) vehicles, electric vehicles (EVs), hybrid electric vehicles (HEVs), and fuel cell vehicles (FCVs). The design methodology is described in mathematical terms, step-by-step, and the topics are approached from the overall drive train system, not just individual components. Furthermore, in explaining the design methodology of each drive train, design examples are presented with simulation results.

Dynamics and Control of Autonomous Space Vehicles and Robotics (Hardcover): Ranjan Vepa Dynamics and Control of Autonomous Space Vehicles and Robotics (Hardcover)
Ranjan Vepa
R2,328 R2,155 Discovery Miles 21 550 Save R173 (7%) Shipped within 7 - 12 working days

Presenting the established principles underpinning space robotics (conservation of momentum and energy, stability) with a thorough and modern approach, chapters build from general physical foundations through an extensive treatment of kinematics of multi-body systems, and then to conservation principles in dynamics. The latter part of the book focuses on real-life applications related to space systems. Drawing upon years of practical experience and using numerous solved examples, illustrative applications and MATLAB, the author includes: an explanation of basic space mechanics and the dynamics of space vehicles; a rigorous treatment of conservation and variational principles in dynamics and in control theory that can be applied to a range of space vehicles and robotic systems; and a systematic presentation of the application of dynamics and control theory to real spacecraft systems.

Robot memory game (Game): Mieke Gerritzen Robot memory game (Game)
Mieke Gerritzen
R340 R215 Discovery Miles 2 150 Save R125 (37%) Shipped within 7 - 12 working days
30-Second AI & Robotics - 50 key notions, fields, and events in the rise of intelligent machines, each explained in half a... 30-Second AI & Robotics - 50 key notions, fields, and events in the rise of intelligent machines, each explained in half a minute (Hardcover)
Luis De Miranda
R347 R280 Discovery Miles 2 800 Save R67 (19%) Shipped within 7 - 12 working days

This comprehensive presentation of the core concepts and historical landmarks in robotics and artificial intelligence is a must-read for those who want to understand the important changes happening now in our everyday lives, in the workplace, and in our minds and bodies. What is deep in "deep learning"? Can artificial intelligence really think? What will robots really look like in the near future? Is there a new class divide between those who understand technology and those who fear it? A clear and exhaustive introduction for non-specialists, 30-Second AI & Robotics will help the reader to navigate the world of ubiquitous computers, smart cities, and collaborative robots. At last, an optimistic and friendly book about our human possibilities in the time of automata.

Logo! 8 - A Practical Introduction, with Circuit Solutions and Example Programs (Paperback): Stefan Kruse Logo! 8 - A Practical Introduction, with Circuit Solutions and Example Programs (Paperback)
Stefan Kruse
R539 R365 Discovery Miles 3 650 Save R174 (32%) Shipped within 7 - 12 working days

Addressing students and engineers, but also hobby engineers, this practical guide will help to easily and cost-effectively implement technical solutions in home and installation technology, as well as small-scale automation solutions in machine and plant engineering. The book descriptively illustrates how to plan LOGO! 8 projects, develop programs and how to select the hardware. Standard control technology scenarios are demonstrated by building on the fundamentals of modern information technology and with the help of several real-life sample switches. In addition, readers are provided with practice-oriented descriptions of various basic and special LOGO! 8 modules with which specific tasks can be very flexibly implemented. Compared to former generations and competing products, LOGO! 8 comprises an integrated Ethernet interface, easy Internet control, a space-saving design and also more digital and analog outputs. The basic and special functions of the logic module can be used to replace several switching devices. Equipped with an Ethernet interface and a Web server, LOGO 8! devices offer more functionalities for remote access via smartphone or other devices. With the LOGO! Soft Comfort V8 software, program and communication functions for up to 16 network users can be conveniently programmed and simulated.

LEGO Gadgets (Hardcover): Editors of Klutz LEGO Gadgets (Hardcover)
Editors of Klutz 1
R375 R258 Discovery Miles 2 580 Save R117 (31%) Shipped within 7 - 12 working days

Build 11 awesome LEGO machines! With 58 LEGO elements. This activity kit will have you building 11 machines that whirl, flip, punch and cruise! Including a gravity-powered car, a boxing robot, a claw, a catapult, a spin-o-vision, a ghost mobile car, a rollin' T-Rex, a whirling fan, a mixing machine, a micro movie maker and a gravity-drop coaster. Make, experiment and play with KLUTZ.

Robot, Take the Wheel - The Road to Autonomous Cars and the Lost Art of Driving (Hardcover): Jason Torchinsky Robot, Take the Wheel - The Road to Autonomous Cars and the Lost Art of Driving (Hardcover)
Jason Torchinsky; Foreword by Beau Boeckmann
R450 R333 Discovery Miles 3 330 Save R117 (26%) Shipped within 7 - 11 working days
YouTubers - How YouTube shook up TV and created a new generation of stars (Hardcover): Chris Stokel-Walker YouTubers - How YouTube shook up TV and created a new generation of stars (Hardcover)
Chris Stokel-Walker 1
R469 R330 Discovery Miles 3 300 Save R139 (30%) Shipped within 7 - 11 working days
The Fourth Age - Smart Robots, Conscious Computers, and the Future of Humanity (Paperback, Export): Byron Reese The Fourth Age - Smart Robots, Conscious Computers, and the Future of Humanity (Paperback, Export)
Byron Reese
R379 R250 Discovery Miles 2 500 Save R129 (34%) Shipped within 7 - 12 working days

Discover the next stage of humanity's evolution--the age of artificial intelligence--in this fascinating, essential, and accessible exploration of the coming advances in robotics, computing, and associated technologies from the publisher of one of the most popular technology news websites in the world, Gigaom.com. We often talk about the rapid pace of change in our world, where every month seems to bring a startling technological advancement. While it's true that we are surrounded by new devices and innovations, cooler toys and fresher platforms, these are only tremors compared to the earthquake that is in our future. Futurist and tech maven Byron Reese explains that a number of disruptive technologies--each of which alone would be world-changing--are all converging at the same time in a perfect storm. We are building robots that can do human jobs. We are designing computers that might be capable of intelligence. We are likely on the cusp of creating a new life form: a conscious computer to which we could outsource our thinking minds, with a companion robot to perform the functions of our bodies. In captivating and clear language, Reese explores this imminent technological revolution and its species-changing implications. He helps us to understand what this brave new world can mean for us both practically and existentially, in the process arriving at a more complete definition of what it means to be human. The Fourth Age doesn't resort to the doomsday view of the future we often encounter in movies and fiction, but instead locates us at a great turning point in human history and provides you with the vocabulary and breadth of knowledge you need to be part of the debate about what kind of world we will soon inhabit.

Electrical Drives - Principles, Planning, Applications, Solutions (Hardcover): Jens Weidauer, Richard Messer Electrical Drives - Principles, Planning, Applications, Solutions (Hardcover)
Jens Weidauer, Richard Messer
R1,225 R883 Discovery Miles 8 830 Save R342 (28%) Shipped within 7 - 13 working days

From the point of view of a user this book covers all aspects of modern electrical drives. It is aimed at both users, who wish to understand, design, use, and maintain electrical drives, as well as specialists, technicians, engineers, and students, who wish to gain a comprehensive overview of electrical drives.
Jens Weidauer and Richard Messer describe the principles of electrical drives, their design, and application, through to complex automation solutions. In the process, they introduce the entire spectrum of drive solutions available and their main applications. A special aspect is the combination of multiple drives to form a drive system, as well as the integration of drives into automation solutions.
In simple and clear language, and supported with many diagrams, complex relationships are described and presented in an easy-to-understand way. The authors deliberately avoid a comprehensive mathematical treatment of their subject and instead focus on a coherent description of the active principles and relationships. As a result, the reader will be in a position to understand electrical drives as a whole and to solve drive-related problems in everyday professional life.

Digital Analysis of Remotely Sensed Imagery (Hardcover): Jay Gao Digital Analysis of Remotely Sensed Imagery (Hardcover)
Jay Gao
R3,086 Discovery Miles 30 860 Shipped within 7 - 11 working days

"Jay Gao's book on the analysis of remote sensing imagery is a well-written, easy-to-read, and informative text best serving graduate students in geosciences, and practitioners in the field of digital image analysis. Although Dr. Gao states that he has targeted his book at upper-level undergraduates and lower-level postgraduate students, its rigor and depth of mathematical analysis would challenge most students without prior experience in remote sensing and college-level mathematics. The book covers a lot of ground quickly, beginning with a basic explanation of pixels, digital numbers and histograms and advancing rapidly through a description of the most well-known satellite systems to data storage formats, rectification and classification. It best serves students who have already taken an introductory course in remote sensing. Following a three-chapter description of the basics the remaining eleven chapters are dedicated to the description of the most common image processing systems and the details of the image analysis functions which can be carried out. The largest portion of the text covers classification -- spectral and spatial, neural networks, decision trees and expert systems -- and is an invaluable reference to anyone interested in understanding image analysis terminology and the algorithms behind these different systems. The last chapter of the text is addressed to practitioners wishing to integrate remote sensing image data with GIS and/or GPS data. The text is nicely structured so that individual chapters can easily be skipped when their content is not of interest to the reader without impairing the understanding of later chapters. "The first three chapters of the book cover introductory material that the reader should be familiar with for the most part, but also includes a very handy summary of today's satellite systems. Chapter one addresses basic material, such as pixel DN, coordinates, feature space, histograms, and spatial, spectral, temporal and radiometric resolution normally covered in an introductory course in remote sensing. Chapter two presents a very informative and up-to-date overview of today's satellite instruments including meteorological, oceanographic, earth resources, hyperspectral and radar instruments. Instrument and orbital parameters are presented in tabular form and make it easy to look up technical details such as spectral and spatial resolution, orbit type, repeat cycle and other instrument characteristics quickly. Written explanations are clear, readable and provide lots of interesting insight and useful tidbits of information such as potential problems and the cost of imagery. For technicians and programmers the third chapter provides details on storage formats, including descriptions of BSQ, BIL and BIP binary formats, and the most common graphics formats like GIF, TIFF and JPEG together with data compression techniques. Non-technicians can skip this chapter since image processing software will generally take care of format conversions internally without a need for understanding the nuances of each. "Chapters four will be of interest to anyone considering the purchase of image processing software, or trying to understand the differences between systems. Gao provides a useful overview of existing software -- IDRISI, ERDAS Imagine, ENVI, ER Mapper, PCI, eCognition and GRASS. A brief history of each provides useful background, and a discussion of the features of each together with a comparison (also given in tabular form) is informative to anyone considering a purchase. "Chapter five can also be viewed as a stand-alone reference on rectification, but also serves as an excellent overview of the problems of dealing with mapping on a curved surface and has particular application for geographers and cartographers. It discusses the sources of geometric distortion, coordinated systems and projections, how image rectification is done -- including the use of ground control points and implications for the order of transformation employed. There is a nice example showing how accuracy is influenced by the number of GCPs employed for SPOT and Landsat TM. For non-technical students the transformation mathematics can be skipped. A rather minimal section on image subsetting and mosaicking is included. Chapter six continues in much the same vein as the previous chapter, but discussing image enhancement -- techniques that improve the visual quality of an image. The terms introduced here, such as density slicing, linear enhancement, stretching, and histogram equalization, will be familiar to users of image processing software and Gao provides a useful explanation of each in turn. Other application-oriented utilities such as band ratioing, vegetation indices, IHS and Tasseled Cap transformations and principal component analysis are presented in a form which is understandable to students with good mathematical grounding. "The remainder of the text deals, to a large extent, with the topic of classification. Chapter seven initially discusses elements of image interpretation, but then devotes the chapter to a detailed presentation of the most common (and affordable) of these - spectral analysis. Gao presents the different algorithms used to define spectral distance, and then devotes text to a discussion of the inner workings of unsupervised classification systems. The section on supervised classification is a very useful reference for anyone undertaking this process -- describing how to set about the classification process, the differences between the different classifiers, and how to choose an appropriate one. The concepts of fuzzy logic and sub-pixels classifiers are also presented briefly. "From this point on, the text becomes much more specialized and technical and is geared towards graduate students, those carrying out research projects, and those interested in algorithmic detail. Chapter 8 is the first dealing with artificial intelligence and describes the fundamentals of neural networks. It provides sufficient information for a technically-minded non-specialist to understand the workings of such a system and serves as a good introduction to someone who is considering this field of research. Chapter nine offers an explanation of decision trees with both a descriptive verbal approach and with mathematical algorithmic detail. Chapter ten addresses spatial classifiers -- in particular the analysis of texture. This chapter again leans more heavily towards mathematics and the detail is more suited to readers with a strong technical bent. Gao goes on to discuss the process of image segmentation and thence the fundamentals of object-oriented classification. There is a useful overview of two popular software packages -- eCognition and Feature Analyst -- together with a discussion of the strengths and weaknesses of object-based classification. Chapter eleven presents an overview of expert systems. This is an advanced field of artificial intelligence and is an ambitious undertaking to describe in fifty or so pages. It is an interesting read for someone trying to gain a superficial knowledge of the workings of such a system and the associated terminology, but for anyone wishing to work in the field, a much more in-depth coverage is necessary. "At this point, the student who was just trying to understand the basics of image processing and classification (and who skipped chapters eight through eleven) should resume reading as the last three chapters provide very helpful practical information. Chapter twelve provides a useful discussion on the methodology for assessing the accuracy of a classification and includes sources of inaccuracy and interpretation of an error matrix. It provides worked examples of accuracy assessments using simple math. This is a valuable addition to the text and presents an important process that is often overlooked in reporting classification results. Chapters thirteen and fourteen also deal with very practical matters. Chapter thirteen describes procedures for handling the analysis of temporal changes via a variety of change detection algorithms, and chapter fourteen introduces the use of GIS and GPS data in image analysis. "Dr. Gao has written an excellent text describing technical information in a very readable manner. His book will serve as a good text for a course in remote sensing/image analysis, assuming that the student has received instruction in the fundamentals of remote sensing and been introduced to some image processing software. Students wishing to become adept at the practicalities of fundamental image processing skills and classification can easily skip the mid section of the text, whereas those who are keen to learn about more sophisticated classifiers will gain the fundamentals of these from this section. Overall I found the book very informative and a pleasure to read." Reviewed by Helen M. Cox, PhD. Associate Professor, Department of Geography, California State University, Northridge

How to Walk on Water and Climb up Walls - Animal Movement and the Robots of the Future (Hardcover): David Hu How to Walk on Water and Climb up Walls - Animal Movement and the Robots of the Future (Hardcover)
David Hu
R462 R345 Discovery Miles 3 450 Save R117 (25%) Shipped within 7 - 11 working days

Discovering the secrets of animal movement and what they can teach us Insects walk on water, snakes slither, and fish swim. Animals move with astounding grace, speed, and versatility: how do they do it, and what can we learn from them? In How to Walk on Water and Climb up Walls, David Hu takes readers on an accessible, wondrous journey into the world of animal motion. From basement labs at MIT to the rain forests of Panama, Hu shows how animals have adapted and evolved to traverse their environments, taking advantage of physical laws with results that are startling and ingenious. In turn, the latest discoveries about animal mechanics are inspiring scientists to invent robots and devices that move with similar elegance and efficiency. Hu follows scientists as they investigate a multitude of animal movements, from the undulations of sandfish and the way that dogs shake off water in fractions of a second to the seemingly crash-resistant characteristics of insect flight. Not limiting his exploration to individual organisms, Hu describes the ways animals enact swarm intelligence, such as when army ants cooperate and link their bodies to create bridges that span ravines. He also looks at what scientists learn from nature (TM)s unexpected feats "such as snakes that fly, mosquitoes that survive rainstorms, and dead fish that swim upstream. As researchers better understand such issues as energy, flexibility, and water repellency in animal movement, they are applying this knowledge to the development of cutting-edge technology. Integrating biology, engineering, physics, and robotics, How to Walk on Water and Climb up Walls demystifies the remarkable mechanics behind animal locomotion.

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