Mostrando 340,521 - 340,540 Resultados de 360,644 Para Buscar '"m²"', tiempo de consulta: 0.91s Limitar resultados
  1. 340521
  2. 340522
  3. 340523
  4. 340524
  5. 340525
  6. 340526
  7. 340527
  8. 340528
  9. 340529
  10. 340530
    por Pedrazuela Fuentes, Mario
    Publicado 2021
    Tabla de Contenidos: “…. -- 5 -- EN SIGLOS ANTERIORES YA SE HABÍAN HECHO -- - -- NATURALMENTE LOS DOS NIVELES LINGÜÍSTICO -- - -- 7 -- 7 -- TOMADO DE ROBERT HENRY ROBINS (2000), P -- TOMADO DE ROBERT HENRY ROBINS (2000), P -- 6 -- - -- - -- 8 -- 8 -- «SÍ, LOS CIENTÍFICOS SON LOS AMOS DEL M -- «SÍ, LOS CIENTÍFICOS SON LOS AMOS DEL M -- 7 -- - -- 9 -- 9 -- «A PARTIR DEL SIGLO XIX, EL LENGUAJE SE -- «A PARTIR DEL SIGLO XIX, EL LENGUAJE SE -- 8 -- HASTA ENTONCES, LA LENGUA SE ESTUDIABA C -- - -- 10 -- 10 -- DAVID KNIGHT (1988), P. 50. -- DAVID KNIGHT (1988), P. 50. -- 9 -- A PARTIR DEL SIGLO XIX, EL LENGUAJE ALCA -- ESTE PRIMER PASO PARA HACER DE LA LENGUA -- EL GRAN EJEMPLO DEL SEGUNDO TIPO DE LENG -- - -- - -- PERO ESTA DESCOMPOSICIÓN DE LAS LENGUAS…”
    Libro electrónico
  11. 340531
    Publicado 2021
    Tabla de Contenidos: “…4.1.2 Know the Environment -- 4.2 Standards and Measurements -- 4.3 Failure‐Inducing Stressors -- 4.4 Common Test Types -- 4.4.1 Temperature Cycling -- 4.4.2 Temperature‐Humidity‐Bias Testing -- 4.4.3 Electrical Connection -- 4.4.4 Corrosion Tests -- 4.4.5 Power Cycling -- 4.4.6 Electrical Loads -- 4.4.7 Mechanical Bending -- 4.4.8 Random and Sinusoidal Vibration -- 4.4.9 Mechanical Shock -- 4.4.10 ALT Testing -- 4.4.11 Highly Accelerated Life Testing (HALT) -- 4.4.12 EMC Testing Dos and Don'ts -- 4.5 Test Plan Development -- 4.5.1 The Process -- 4.5.2 Failure Analysis -- 4.5.3 Screening Tests -- 4.5.4 Case Study One -- 4.5.5 Case Study Two -- 4.5.6 Case Study Three -- References -- Chapter 5 Design for Manufacturability -- 5.1 Introduction -- 5.2 Overview of Industry Standard Organizations -- 5.3 Overview of DfM Processes -- 5.3.1 The DfM Process -- 5.4 Component Topics -- 5.4.1 Part Selection -- 5.4.2 Moisture Sensitivity Level (MSL) -- 5.4.3 Temperature Sensitivity Level (TSL) -- 5.4.4 ESD -- 5.4.5 Derating -- 5.4.6 Ceramic Capacitor Cracks -- 5.4.7 Life Expectancies -- 5.4.8 Aluminum Electrolytic Capacitors -- 5.4.9 Resistors -- 5.4.10 Tin Whiskers -- 5.4.11 Integrated Circuits -- 5.5 Printed Circuit Board Topics -- 5.5.1 Laminate Selection -- 5.5.2 Surface Finish -- 5.5.3 Discussion of Different Surface Finishes -- 5.5.4 Stackup -- 5.5.5 Plated Through‐Holes -- 5.5.6 Conductive Anodic Filament (CAF) Formation -- 5.5.7 Copper Weight -- 5.5.8 Pad Geometries -- 5.5.9 Trace and Space Separation -- 5.5.10 Non‐Functional Pads -- 5.5.11 Shipping and Handling -- 5.5.12 Cleanliness and Contamination -- 5.6 Process Materials -- 5.6.1 Solder -- 5.6.2 Solder Paste -- 5.6.3 Flux -- 5.6.4 Stencils -- 5.6.5 Conformal Coating -- 5.6.6 Potting -- 5.6.7 Underfill -- 5.6.8 Cleaning Materials -- 5.6.9 Adhesives -- 5.7 Summary: Implementing DfM -- References…”
    Libro electrónico
  12. 340532
    por Serrano, Martin
    Publicado 2022
    Tabla de Contenidos: “…Front Cover -- Half Title Page -- RIVER PUBLISHERS SERIES IN INFORMATION SCIENCE AND TECHNOLOGY -- Title Page - Building the Future Internet through FIRE 2016 FIRE Book: A Research and Experiment based Approach -- Copyright Page -- Contents -- Dedications -- Acknowledgements -- Editors Biography -- Foreword -- List of Figures -- List of Tables -- PART I - The Next Generation Internet with FIRE -- Chapter 1 - European Challenges for Experimental Facilities -- 1.1 Evolution of Experimentation Facilities into Open Innovation Ecosystems for the Future Internet -- 1.2 Support, Continuity and Sustainability:The NITOS Testbed Example -- 1.2.1 NITOS Future Internet Facility Overview -- 1.2.2 NITOS Evolution and Growth -- 1.2.3 Facilitating User's Experience -- 1.2.4 Exploitation of NITOS and Users Statistics -- 1.2.5 References -- 1.3 Experimentation: Vision and Roadmap -- 1.3.1 Envisioning Evolution of Experimentation Facilities into the Future -- 1.3.2 Vision and Opportunities of OMA LwM2M/oneM2M and Its Role in the Monitoring and Deployment of Large Scale Unmanned Networks -- 1.3.3 Large Deployments with Low-power, Long-range, Low-cost -- 1.3.3.1 LoRa technology -- 1.3.3.2 LoRaWAN -- 1.3.3.3 Simplified deployment scenarios -- 1.4 Conclusions -- References -- Chapter 2 - Next Generation Internet Research and Experimentation -- 2.1 Experimentation Facilities in H2020: Strategic Research and Innovation Agenda Contributions -- 2.1.1 European Ecosystem Experimentation Impacts -- 2.1.2 Drivers Transforming the Next Generation Internet Experimentation -- 2.1.2.1 Intelligent spaces -- 2.1.2.2 Cooperative autonomous machines -- 2.1.2.3 Collective human experience -- 2.1.2.4 Key networking technologies -- 2.2 Policy Recommendations for Next Generation Internet Experimentation -- 2.3 References…”
    Libro electrónico
  13. 340533
    Publicado 2017
    Tabla de Contenidos: “…Optimization -- 7 Measurement and Verification Models for Cost-Effective Energy-Efficient Retrofitting -- Nomenclature for Measurement and Verification Terms -- 7.1 Introduction -- 7.2 Fundamental Principles of Measurement and Verification -- 7.3 Measurement and Verification Protocols &amp -- Standards -- 7.3.1 International Performance Measurement and Verification Protocol -- 7.3.2 Federal Energy Management Program -- 7.3.3 ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) Guideline 14 -- 7.3.4 ISO (International Standards Organization) 50015 -- 7.3.5 Superior Energy Performance protocol -- 7.4 Measurement and Verification Options -- 7.4.1 Retrofit Isolation: Key Parameter Measurement -- 7.4.2 Retrofit Isolation: All-Parameter Measurement -- 7.4.3 Whole Facility -- 7.4.4 Calibrated Simulation -- 7.4.5 Examples for M&amp -- V Options -- 7.5 Drivers for and Barriers Against M&amp -- V -- 7.6 Innovative Methods for Cost-Effective M&amp -- V: An Overview -- 7.6.1 Energy Monitoring -- 7.6.2 Monitoring of the Indoor Environmental Quality -- 7.6.3 Occupancy Monitoring -- 7.7 Summary -- References -- 8 A Cost-Effective Human-Based Energy-Retrofitting Approach -- 8.1 Introduction…”
    Libro electrónico
  14. 340534
    Publicado 2013
    Tabla de Contenidos: “…7.13 Secondary Batteries/Cells -- 7.14 Elements of Secondary Cells -- 7.15 The Electrolyte -- 7.16 Capacity of Cells -- 7.17 Internal Resistance of Secondary Cells -- 7.18 Makeup of Cells -- 7.19 Charging and Discharging of Lead-Acid Secondary Batteries -- 7.20 Constant Current Charging -- 7.21 Constant Voltage Charging -- 7.22 Efficiencies of a Cell -- 7.23 Faults -- 7.24 Alkaline Cells -- 7.25 Nife Nickel Cadmium Alkaline Cell -- 7.26 Mercury Cell -- 7.27 Silver-Oxide Cell -- 7.28 Grouping of Cells -- 7.28.1 Cells in Series -- 7.28.2 Cells in Parallel -- 7.28.3 Cells in Series Parallel -- 7.29 Grouping Cells for Maximum Current -- Summary -- Multiple Choice Questions (MCQ) -- Conventional Questions (CQ) -- 8: Electromagnetism -- 8.1 Introduction -- 8.2 Attraction and Repulsion -- 8.3 The Inverse Square Law -- 8.4 Lines of Force -- 8.5 Magnetic Flux -- 8.6 Permeability -- 8.7 Permeability (B-H) Curves -- 8.8 The Domain Theory of Magnetism -- 8.9 Electromagnetism -- 8.10 Direction of Magnetic Field -- 8.11 Magnetizing Force of Electromagnetic Fields -- 8.12 Indicating the Direction of Current Flow -- 8.13 Rule of Direction -- 8.14 Electrodynamic Forces -- 8.15 Forces between Magnet Poles -- 8.16 Magnetic Moment -- 8.16.1 Energy Stored in a Magnetic Field -- 8.17 Flux Density of a Solenoid -- 8.18 Magnetic Circuit -- 8.18.1 Magnetomotive Force -- 8.18.2 Flux Density -- 8.18.3 Reluctance -- 8.18.4 Magnetic Reluctance and Electrical Resistance -- 8.18.5 Comparison of Magnetic Circuit and Electric Circuit -- 8.18.6 Application of Ohm's Law to the Magnetic Circuit -- 8.19 Magnetic Induction -- 8.19.1 Direction of Induced e.m.f. -- 8.19.2 Magnitude of Induced e.m.f. -- 8.20 Magnetic Shields -- 8.21 Reluctance -- 8.22 Series Magnetic Circuits -- 8.23 Parallel Magnetic Circuit -- 8.24 Electromagnets -- 8.24.1 Leakage Flux, Useful Flux…”
    Libro electrónico
  15. 340535
    Publicado 2015
    Tabla de Contenidos: “…-- Preface xxi / /Acknowledgments xxv / /Summary of Notations xxvii / /About the Cover xxix / /About the Companion Website xxxi / /1 Mathematical Background and Analysis Techniques 1 / /1.1 Introduction 1 / /1.2 The Fourier Transform and Fourier Series 5 / /1.3 Pulse Distortion with Ideal Filter Models 16 / /1.4 Correlation Processing 19 / /1.5 Random Variables and Probability 20 / /1.6 Random Processes 41 / /1.7 The Matched Filter 44 / /1.8 The Likelihood and Log-Likelihood Ratios 46 / /1.9 Parameter Estimation 47 / /1.10 Modem Configurations and Automatic Repeat Request 55 / /1.11 Windows 57 / /1.12 Matrices Vectors and Related Operations 66 / /1.13 Often Used Mathematical Procedures 70 / /1.14 Often Used Mathematical Relationships 71 / /2 Digital Signal Processing and Modem Design Considerations 81 / /2.1 Introduction 81 / /2.2 Discrete Amplitude Sampling 81 / /2.3 Discrete-Time Sampling 87 / /2.4 Signal Reconstruction Following Discrete-Time Sampling 91 / /2.5 Baseband Sampling 92 / /2.6 Bandpass Sampling 92 / /2.7 Corrections for Nonideal Modulators and Demodulators 99 / /2.8 Multirate Signal Processing and Interpolation 106 / /Appendix 2A Amplitude Quantization Function Subprogram 121 / /Appendix 2B Hilbert Transform Parameters 122 / /Appendix 2C Derivation of Parabolic Interpolation Error 126 / /3 Digital Communications 133 / /3.1 Introduction 133 / /3.2 Digital Data Modulation and Optimum Demodulation Criteria 135 / /3.3 Information and Channel Capacity 139 / /3.4 Bit-Error Probability Bound on Memoryless Channel 148 / /3.5 Probability Integral and the Error Function 150 / /4 Phase Shift Keying (PSK) Modulation Demodulation and Performance 153 / /4.1 Introduction 153 / /4.2 Constant Envelope Phase-Modulated Waveforms 154 / /4.3 Non-Constant Envelope Phase-Modulated Waveforms 175 / /4.4 Phase-Modulated Waveform Spectrums and Performance 178 / /5 Frequency Shift Keying (FSK) Modulation Demodulation and Performance 207 / /5.1 Introduction 207 / /5.2 Coherent Detection of BFSK - Known Frequency and Phase 207 / /5.3 Noncoherent Detection of BFSK - Known Frequency and Unknown Phase 210 / /5.4 Case Studies: Coherent and Noncoherent BFSK Performance Simulation 211 / /5.5 Noncoherent Detection of BFSK - Unknown Frequency and Phase 214 / /5.6 BFSK Spectral Density with Arbitrary Modulation Index 219 / /6 Amplitude Shift Keying Modulation Demodulation and Performance 227 / /6.1 Introduction 227 / /6.2 Amplitude Shift Keying (ASK) 227 / /6.3 Quadrature Amplitude Modulation (QAM) 234 / /6.4 Alternate QAM Waveform Constellations 236 / /6.5 Case Study: 16-ary QAM Performance Evaluation 236 / /6.6 Partial Response Modulation 237 / /7 M-ary Coded Modulation 251 / /7.1 Introduction 251 / /7.2 Coherent Detection of Orthogonal Coded Waveforms 252 / /7.3 Noncoherent Detection of M-ary Orthogonal Waveforms 253 / /7.4 Coherent Detection of M-ary Biorthogonal Waveforms 256 / /8 Coding for Improved Communications 261 / /8.1 Introduction 261 / /8.2 Pulse Code Modulation 261 / /8.3 Gray Coding 268 / /8.4 Differential Coding 269 / /8.5 Pseudo-Random Noise Sequences 270 / /8.6 Binary Cyclic Codes 273 / /8.7 Cyclic Redundancy Check Codes 274 / /8.8 Data Randomizing Codes 276 / /8.9 Data Interleaving 277 / /8.10 Wagner Coding and Decoding 279 / /8.11 Convolutional Codes 283 / /8.12 Turbo and Turbo-Like Codes 299 / /8.13 LDPC Code and TPC 313 / /8.14 Bose-Chaudhuri-Hocquenghem Codes 315 / /Appendix 8A 328 / /Appendix 8B 329 / /9 Forward Error Correction Coding Without Bandwidth Expansion 339 / /9.1 Introduction 339 / /9.2 Multi-h M-ary CPM 340 / /9.3 Case Study: 2-h 4-ary 1REC CPM 350 / /9.4 Multiphase Shift Keying Trellis-Coded Modulation 362 / /9.5 Case Study: Four-State 8PSK-TCM Performance Over Satellite Repeater 367 / /10 Carrier Acquisition and Tracking 375 / /10.1 Introduction 375 / /10.2 Bandpass Limiter 377 / /10.3 Baseband Phaselock Loop Implementation 378 / /10.4 Phase-Error Generation 378 / /10.5 First-Order Phaselock Loop 380 / /10.6 Second-Order Phaselock Loop 380 / /10.7 Third-Order Phaselock Loop 390 / /10.8 Optimum Phase Tracking Algorithms 396 / /10.9 Squaring Loss Evaluation 406 / /10.10 Case Study: BPSK and QPSK Phaselock Loop Performance 408 / /10.11 Case Study: BPSK Phase Tracking Performance of a Disadvantaged Transmit Terminal 410 / /11 Waveform Acquisition 413 / /11.1 Introduction 413 / /11.2 CW Preamble Segment Signal Processing 416 / /11.3 Symbol Synchronization Preamble Segment 432 / /11.4 Start-of-Message (SOM) Preamble segment 452 / /11.5 Signal-to-Noise Ratio Estimation 452 / /12 Adaptive Systems 463 / /12.1 Introduction 463 / /12.2 Optimum Filtering - Wiener's Solution 464 / /12.3 Finite Impulse Response-Adaptive Filter Estimation 465 / /12.4 Intersymbol Interference and Multipath Equalization 469 / /12.5 Interference and Noise Cancellation 472 / /12.6 Recursive Least Square (RLS) Equalizer 473 / /12.7 Case Study: LMS Linear Feedforward Equalization 474 / /12.8 Case Study: Narrowband Interference Cancellation 474 / /12.9 Case Study: Recursive Least Squares Processing 480 / /13 Spread-Spectrum Communications 485 / /13.1 Introduction 485 / /13.2 Spread-Spectrum Waveforms and Spectrums 487 / /13.3 Jammer and Interceptor Encounters 499 / /13.4 Communication Interceptors 502 / /13.5 Bit-Error Performance of DSSS Waveforms with Jamming 504 / /13.6 Performance of MFSK with Partial-Band Noise Jamming 512 / /13.7 Performance of DCMPSK with Partial-Band Noise Jamming 514 / /13.8 FHSS Waveforms with Multitone Jamming 515 / /13.9 Approximate Performance with Jammer Threats 521 / /13.10 Case Study: Terrestrial Jammer Encounter and Link-Standoff Ratio 522 / /14 Modem Testing Modeling and Simulation 531 / /14.1 Introduction 531 / /14.2 Statistical Sampling 532 / /14.3 Computer Generation of Random Variables 539 / /14.4 Baseband Waveform Description 545 / /14.5 Sampled Waveform Characterization 547 / /14.6 Case Study: BPSK Monte Carlo Simulation 548 / /14.7 System Performance Evaluation Using Quadrature Integration 550 / /14.8 Case Study: BPSK Bit-Error Evaluation with PLL Tracking 551 / /14.9 Case Study: QPSK Bit-Error Evaluation with PLL Tracking 553 / /15 Communication Range Equation and Link Analysis 557 / /15.1 Introduction 557 / /15.2 Receiver and System Noise Figures and Temperatures 560 / /15.3 Antenna Gain and Patterns 568 / /15.4 Rain Loss 571 / /15.5 Electric Field Wave Polarization 573 / /15.6 Phase-Noise Loss 578 / /15.7 Scintillation Loss 583 / /15.8 Multipath Loss 583 / /15.9 Interface Mismatch Loss 584 / /15.10 Miscellaneous System Losses 585 / /15.11 Nonlinear Power Amplifier Analysis and Simulation 585 / /15.12 Computer Modeling of TWTA and SSPA Nonlinearities 588 / /15.13 Establishing Signal Levels for Simulation Modeling 590 / /15.14 Case Study: Performance Simulation of SRRC-QPSK with SSPA Nonlinearity 592 / /15.15 Link Budget Analysis 596 / /16 Satellite Orbits 603 / /16.1 Introduction 603 / /16.2 Satellite Orbits 606 / /16.3 Earth Stations 607 / /16.4 Path Loss Doppler and Doppler-rate 609 / /16.5 Satellite Viewing 609 / /16.6 Satellite Orbit Selection 610 / /16.7 Satellite Orbit Position Estimation From Parameter Measurements 611 / /16.8 Case Study: Example Satellite Encounters 612 / /17 Communications Through Bandlimited Time-Invariant Linear Channels 617 / /17.1 Introduction 617 / /17.2 Inphase and Quadrature Channel Response 618 / /17.3 Inphase and Quadrature Channel Response to Arbitrary Signal 619 / /17.4 Pulse Modulated Carrier Signal Characteristics 621 / /17.5 Channel Response to a Pulsed Modulated Waveform 622 / /17.6 Example Performance Simulations 623 / /17.7 Example of Channel Amplitude and Phase Responses 624 / /17.8 Example Channel Amplitude Phase and Delay Functions 627 / /18 Communications in Fading Environments 633 / /18.1 Introduction 633 / /18.2 Ricean Fading Channels 634 / /18.3 Ricean Cumulative Distribution 635 / /18.4 Application of Ricean Channel Model 635 / /18.5 Performance of Several Binary Modulation…”
    Libro electrónico
  16. 340536
    Tabla de Contenidos: “…Sermam da quarta dominga da quaresma / pregou-o o P.M. Ieronymo Ribeiro da Companhia de Iesu no Collegio de S. …”
    Colección
  17. 340537
    por Agustin Santo Obispo de Hipona
    Publicado 1990
    Libro
  18. 340538
  19. 340539
    Publicado 1700
    Tabla de Contenidos: “…Iglesia Metropolitan y Patriarcal de la M.N.M.L . y M.H . Ciudad de Sevilla, por su Escmo . …”
    Manuscrito
  20. 340540
    por Cuenca (Diócesis)
    Publicado 1785
    Tabla de Contenidos: “…Marca tip. en port. Sign. : A-M4, N2. Cartas pastorales-1784. Sentmanat Cartellá, Antonio (1734-1806). …”
    Colección