LEADER 07151nam 2200673 450 001 9910140496103321 005 20221206173048.0 010 $a1-119-07191-7 010 $a1-119-07182-8 024 7 $a10.1002/9781119071822 035 $a(CKB)2670000000610033 035 $a(EBL)1896044 035 $a(SSID)ssj0001460161 035 $a(PQKBManifestationID)12590142 035 $a(PQKBTitleCode)TC0001460161 035 $a(PQKBWorkID)11465582 035 $a(PQKB)11413087 035 $a(MiAaPQ)EBC1896044 035 $a(CaBNVSL)mat07111425 035 $a(IDAMS)0b00006484339137 035 $a(IEEE)7111425 035 $a(Au-PeEL)EBL1896044 035 $a(CaPaEBR)ebr11048142 035 $a(CaONFJC)MIL770265 035 $a(OCoLC)905419516 035 $a(PPN)254384277 035 $a(EXLCZ)992670000000610033 100 $a20151222d2015 uy 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aTimed arrays $ewideband and time varying antenna arrays /$fRandy L. Haupt 210 1$aHoboken, New Jersey :$cJohn Wiley & Sons Inc.,$d[2015] 210 2$a[Piscataqay, New Jersey] :$cIEEE Xplore,$d[2015] 215 $a1 online resource (221 p.) 300 $aDescription based upon print version of record. 311 $a1-119-07209-3 311 $a1-118-86014-4 320 $aIncludes bibliographical references at the end of each chapters and index. 327 $aList of Figures x -- Preface xix -- 1 Timed and Phased Array Antennas 1 -- 1.1 Large Antennas 1 -- 1.2 Collection of Elements 3 -- 1.3 Overview of an Array Architecture 6 -- 1.4 Transient Versus Steady State 7 -- 1.5 Time Versus Phase 7 -- 1.6 Book Overview 8 -- References 9 -- 2 RF Signals 10 -- 2.1 The Carrier and Modulation 10 -- 2.2 Noise and Interference 12 -- 2.3 Polarization 15 -- 2.4 Signal Bandwidth 17 -- Reference 18 -- 3 Arrays of Point Sources 19 -- 3.1 Point Sources 19 -- 3.2 Far Field 20 -- 3.3 Array Sampling in the Time Domain 21 -- 3.4 Array Sampling in the Frequency Domain 22 -- 3.5 Grating Lobes: Spatial Aliasing 23 -- 3.6 Subarrays and Panels 26 -- 3.7 Electronic Beam Steering 29 -- 3.8 Amplitude Weighting 31 -- 3.8.1 Dolph-Chebyshev Taper 32 -- 3.8.2 Taylor Tapers 33 -- 3.8.3 Bayliss 34 -- 3.9 Thinned Arrays 36 -- References 39 -- 4 Elements in Timed Arrays 41 -- 4.1 Element Characteristics 41 -- 4.1.1 Polarization 42 -- 4.1.2 Impedance 43 -- 4.1.3 Phase center 44 -- 4.1.4 Conformal 44 -- 4.1.5 Size 44 -- 4.1.6 Directivity 45 -- 4.1.7 Bandwidth 45 -- 4.1.8 Balun 45 -- 4.2 Elements 46 -- 4.2.1 Dipole Array 46 -- 4.2.2 Patch Array 47 -- 4.2.3 Spiral Array 50 -- 4.2.4 Helical Array 52 -- 4.2.5 Tapered Slot Antenna (TSA) Array 53 -- 4.2.6 Tightly Coupled Arrays 55 -- 4.2.7 Fragmented Arrays 62 -- 4.3 Mutual Coupling 63 -- 4.4 Element Dispersion 66 -- 4.5 Scaled Arrays 68 -- 4.6 Interleaved Arrays 70 -- References 75 -- 5 Array Beamforming 78 -- 5.1 PCB Transmission Lines 78 -- 5.2 S-parameters 81 -- 5.3 Matching Circuits 82 -- 5.4 Corporate Feeds 82 -- 5.5 Distributed Versus Centralized Amplification 83 -- 5.6 Blass Matrix 84 -- 5.7 Butler Matrix 85 -- 5.8 Lenses 86 -- 5.9 Reflectarrays 89 -- 5.10 Digital Beamforming 91 -- References 93 -- 6 Active Electronically Scanned Array Technology 95 -- 6.1 Semiconductor Technology for T/R Modules 96 -- 6.2 T/R Module Layout 98 -- 6.3 Amplifiers 100 -- 6.4 Switches 109 -- 6.5 Phase Shifter 114 -- 6.6 Attenuators 120. 327 $a6.7 Limiter 121 -- 6.8 Circulator 121 -- 6.9 Correcting Errors through Calibration and Compensation 121 -- References 123 -- 7 Time Delay in a Corporate-Fed Array 126 -- 7.1 Pulse Dispersion 128 -- 7.2 Phased Array Bandwidth 130 -- 7.3 Time Delay Steering Calculations 133 -- 7.4 Time Delay Units 135 -- 7.5 Unit Cell Constraints 138 -- 7.6 Time Delay Bit Distribution at the Subarray Level 141 -- References 147 -- 8 Adaptive Arrays 149 -- 8.1 Signal Correlation Matrix 150 -- 8.2 Optimum Array Weights 152 -- 8.3 Adaptive Weights Without Inverting the Correlation Matrix 154 -- 8.4 Algorithms for Nondigital Beamformers 155 -- 8.4.1 Partial Adaptive Nulling 156 -- 8.4.2 Adaptive Nulling with Weight Constraints 158 -- 8.4.3 Adaptive Nulling with Cancellation Beams 159 -- 8.5 Reconfigurable Arrays 160 -- 8.6 Reconfigurable Elements 165 -- 8.7 Time-Modulated Arrays 167 -- 8.8 Adaptive Thinning 172 -- 8.9 Other Adaptive Array Alternatives 177 -- 8.9.1 Beam Switching 178 -- 8.9.2 Direction Finding 178 -- 8.9.3 Retrodirective Array 181 -- 8.9.4 MIMO 181 -- References 184 -- List of Symbols and Abbreviations 188 -- Index 194. 330 $aIntroduces timed arrays and design approaches to meet the new high performance standards The author concentrates on any aspect of an antenna array that must be viewed from a time perspective. The first chapters briefly introduce antenna arrays and explain the difference between phased and timed arrays. Since timed arrays are designed for realistic time-varying signals and scenarios, the book also reviews wideband signals, baseband and passband RF signals, polarization and signal bandwidth. Other topics covered include time domain, mutual coupling, wideband elements, and dispersion. The author also presents a number of analog and digital beamforming networks for creating and manipulating beams. The book concludes with an overview of the methods to integrate time delay into the array design and of several other adaptive arrays that prove useful in many different systems. . Examines RF signal concepts such as polarization and signal bandwidth and their applications to timed antenna arrays. Covers arrays of point source, elements in timed antenna arrays, active electronically scanned array technology, and time delay in corporate fed arrays. Includes complete design examples for placing time delay in arrays Timed Arrays: Wideband and Time Varying Antenna Arrays is written for practicing engineers and scientists in wireless communication, radar, and remote sensing as well as graduate students and professors interested in advanced antenna topics. Randy Haupt, PhD., is Professor and Department Head of EECS at the Colorado School of Mines. He received his PhD from the University of Michigan and retired from the USAF as a LtCol. Dr. Haupt was an RF staff consultant at Ball Aerospace & Technologies, Corp., senior scientist and department head at the Applied Research Laboratory of Penn State, professor and department head of ECE at Utah State, professor and chair of EE at the University of Nevada Reno, and professor of EE at the USAF Academy. Dr. Haupt is a Fellow of the IEEE and Applied Computational Electromagnetics Society (ACES). 606 $aAntenna arrays 606 $aAdaptive antennas 606 $aTime-domain analysis 615 0$aAntenna arrays. 615 0$aAdaptive antennas. 615 0$aTime-domain analysis. 676 $a621.3841/35 700 $aHaupt$b Randy L.$0319599 801 0$bCaBNVSL 801 1$bCaBNVSL 801 2$bCaBNVSL 906 $aBOOK 912 $a9910140496103321 996 $aTimed arrays$92027107 997 $aUNINA LEADER 01501nam0 22003853i 450 001 PUV0446329 005 20251003044313.0 010 $a0124005608 100 $a20100329d1999 ||||0itac50 ba 101 | $aeng 102 $aus 181 1$6z01$ai $bxxxe 182 1$6z01$an 200 1 $aFiber bragg gratings$fRaman Kashyap 210 $aSan Diego (Ca) [etc.]$cAcademic Press$d1999 215 $aXVI, 458 p.$d24 cm. 225 | $aOptics and photonics 410 0$1001MIL0269119$12001 $aOptics and photonics 606 $aFibre ottiche$2FIR$3CFIC016295$9E 606 $aTelecomunicazioni$2FIR$3CFIC003055$9E 676 $a621.382$9INGEGNERIA DELLE COMUNICAZIONI$v14 676 $a621.38275$9Comunicazioni ottiche. 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A New Mindset for Players and Developers -- EyeMote ? Towards Context-Aware Gaming Using Eye Movements Recorded from Wearable Electrooculography -- The Audio Adventurer: Design of a Portable Audio Adventure Game -- Building RFID-Based Augmented Dice with Perfect Recognition Rates -- Aseba-Challenge: An Open-Source Multiplayer Introduction to Mobile Robots Programming -- Test-Bed for Multimodal Games on Mobile Devices -- Affect and Gaming -- Dynamic Game Balancing by Recognizing Affect -- Alone or Together: Exploring the Effect of Physical Co-presence on the Emotional Expressions of Game Playing Children Across Cultures -- Shared Fun Is Doubled Fun: Player Enjoyment as a Function of Social Setting -- The Unlikeability of a Cuddly Toy Interface: An Experimental Study of Preschoolers? Likeability and Usability of a 3D Game Played with a Cuddly Toy Versus a Keyboard -- Think Aloud during fMRI: Neuronal Correlates of Subjective Experience in Video Games -- Engagement and EMG in Serious Gaming: Experimenting with Sound and Dynamics in the Levee Patroller Training Game -- Log Who?s Playing: Psychophysiological Game Analysis Made Easy through Event Logging -- Fun n?Games for Young and Old -- Acting Your Age in Second Life -- Developing an Adaptive Memory Game for Seniors -- A Tangible Tabletop Game Supporting Therapy of Children with Cerebral Palsy -- A Music Educational Entertainment Environment for Preschoolers. 330 $aThis book constitutes the refereed proceedings of the Second International Conference on Fun and Games, held in Eindhoven, The Netherlands, in October 2008. The 17 revised full papers, presented together with 2 invited talks were carefully reviewed and selected from a total of 36 submissions. The papers encompass the study of computer games, game development and experiences by researchers from social sciences, computing, electrical engineering, design, etc. Main focus is given to topics such as tightly-coupled embodied control of movement-sensitive mobile devices, hypercomputation and cultural computing, emerging gaming paradigms, concepts and platforms to support gaming, affective aspects of gaming, and finally to the notion of serious games to help provide cognitive or physiological training. 410 0$aProgramming and Software Engineering,$x2945-9168 ;$v5294 606 $aUser interfaces (Computer systems) 606 $aHuman-computer interaction 606 $aComputer engineering 606 $aComputer networks 606 $aApplication software 606 $aMultimedia systems 606 $aArtificial intelligence 606 $aComputers and civilization 606 $aUser Interfaces and Human Computer Interaction 606 $aComputer Engineering and Networks 606 $aComputer and Information Systems Applications 606 $aMultimedia Information Systems 606 $aArtificial Intelligence 606 $aComputers and Society 615 0$aUser interfaces (Computer systems). 615 0$aHuman-computer interaction. 615 0$aComputer engineering. 615 0$aComputer networks. 615 0$aApplication software. 615 0$aMultimedia systems. 615 0$aArtificial intelligence. 615 0$aComputers and civilization. 615 14$aUser Interfaces and Human Computer Interaction. 615 24$aComputer Engineering and Networks. 615 24$aComputer and Information Systems Applications. 615 24$aMultimedia Information Systems. 615 24$aArtificial Intelligence. 615 24$aComputers and Society. 676 $a794.8 702 $aMarkopoulos$b P$g(Panos), 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910768470603321 996 $aFun and Games$9460751 997 $aUNINA