Mostrando 1 - 20 Resultados de 291 Para Buscar 'Global Frequency', tiempo de consulta: 0.10s Limitar resultados
  1. 1
    Publicado 1998
    Libro
  2. 2
    Publicado 1996
    Libro
  3. 3
    Publicado 1996
    991006945499706719
  4. 4
    por Eye, Alexander von
    Publicado 2002
    Tabla de Contenidos: “…Statistical Testing in Global CFA; 4. Descriptive Measures in Global CFA; Part II: Models and Applications of CFA; 5. …”
    Libro electrónico
  5. 5
    Publicado 2014
    Tabla de Contenidos: “…Electromagnetic Modeling Of Interconnects2.1. Global modeling of signal integrity; 2.1.1. ICEM and ICIM models; 2.1.2. …”
    Libro electrónico
  6. 6
    Publicado 2013
    “…THE MOST COMPLETE GUIDE TO HIGH FREQUENCY OVER-THE-HORIZON RADAR SYSTEMS Written by a leading global expert on the topic, High Frequency Over-the-Horizon Radar provides in-depth coverage of the signal processing models and techniques that have significantly advanced OTH radar technology. …”
    Libro electrónico
  7. 7
    Publicado 2006
    Revista digital
  8. 8
    Publicado 2014
    “…Radio frequency identification (RFID) technologies offer a unique opportunity to achieve these goals. …”
    Libro electrónico
  9. 9
    Publicado 2002
    Tesis
  10. 10
    Publicado 2023
    Libro
  11. 11
    Publicado 2014
    “…Radio frequency identification (RFID) is one of the game-changing technologies of the 21st century. …”
    Libro electrónico
  12. 12
    Publicado 2019
    Tabla de Contenidos: “…; 1.3 Background; 1.4 Research; 1.5 Challenges for Electronics; 1.6 Expected 5G in Practice; 1.7 5G and Security; 1.8 Motivations; 1.9 5G Standardization and Regulation; 1.10 Global Standardization in 5G Era; 1.11 Introduction to the Book; References; 2 Requirements; 2.1 Overview; 2.2 Background; 2.3 5G Requirements Based on ITU; 2.4 The Technical Specifications of 3GPP; 2.5 NGMN; 2.6 Mobile Network Operators; 2.7 Mobile Device Manufacturers; References…”
    Libro electrónico
  13. 13
    Publicado 2020
    Materias:
    Libro electrónico
  14. 14
    Publicado 2013
    Seriada digital
  15. 15
    Publicado 2000
    Seriada digital
  16. 16
    “…One of the unique features of the work is the interactive approach used, giving readers the ability to construct their own Global Navigation Satellite Systems (GNSS) receivers. …”
    Libro electrónico
  17. 17
    Publicado 2015
    Tabla de Contenidos: “…8.2 Tropospheric Refraction and Delay -- 8.2.1 Zenith Delay Functions -- 8.2.2 Mapping Functions -- 8.2.3 Precipitable Water Vapor -- 8.3 Troposphere Absorption -- 8.3.1 The Radiative Transfer Equation -- 8.3.2 Absorption Line Profiles -- 8.3.3 General Statistical Retrieval -- 8.3.4 Calibration of WVR -- 8.4 Ionospheric Refraction -- 8.4.1 Index of Ionospheric Refraction -- 8.4.2 Ionospheric Function and Cycle Slips -- 8.4.3 Single-Layer Ionospheric Mapping Function -- 8.4.4 VTEC from Ground Observations -- 8.4.5 Global Ionospheric Maps -- 8.4.5.1 IGS GIMs -- 8.4.5.2 International Reference Ionosphere -- 8.4.5.3 GPS Broadcast Ionospheric Model -- 8.4.5.4 NeQuick Model -- 8.4.5.5 Transmission to the User -- Chapter 9 GNSS Receiver Antennas -- 9.1 Elements of Electromagnetic Fields and Electromagnetic Waves -- 9.1.1 Electromagnetic Field -- 9.1.2 Plane Electromagnetic Wave -- 9.1.3 Complex Notations and Plane Wave in Lossy Media -- 9.1.4 Radiation and Spherical Waves -- 9.1.5 Receiving Mode -- 9.1.6 Polarization of Electromagnetic Waves -- 9.1.7 The dB Scale -- 9.2 Antenna Pattern and Gain -- 9.2.1 Receiving GNSS Antenna Pattern and Reference Station and Rover Antennas -- 9.2.2 Directivity -- 9.2.3 Polarization Properties of the Receiving GNSS Antenna -- 9.2.4 Antenna Gain -- 9.2.5 Antenna Effective Area -- 9.3 Phase Center -- 9.3.1 Antenna Phase Pattern -- 9.3.2 Phase Center Offset and Variations -- 9.3.3 Antenna Calibrations -- 9.3.4 Group Delay Pattern -- 9.4 Diffraction and Multipath -- 9.4.1 Diffraction Phenomena -- 9.4.2 General Characterization of Carrier Phase Multipath -- 9.4.3 Specular Reflections -- 9.4.4 Antenna Down-Up Ratio -- 9.4.5 PCV and PCO Errors Due to Ground Multipath -- 9.5 Transmission Lines -- 9.5.1 Transmission Line Basics -- 9.5.2 Antenna Frequency Response -- 9.5.3 Cable Losses -- 9.6 Signal-to-Noise Ratio…”
    Libro electrónico
  18. 18
    Publicado 2020
    Tabla de Contenidos: “…Front Cover -- Cellular Internet of Things -- Cellular Internet of Things -- Copyright -- Contents -- Biography -- Preface -- Acknowledgments -- 1 - The Internet of Things -- 1.1 Introduction -- 1.2 IoT communication technologies -- 1.2.1 Cellular IoT -- 1.2.2 Technologies for unlicensed spectrum -- 1.3 Outline of the book -- References -- 2 - Global cellular IoT standards -- 2.1 3GPP -- 2.2 Cellular system architecture -- 2.2.1 Network architecture -- 2.2.2 Radio protocol architecture -- 2.3 From machine-type communications to the cellular internet of things -- 2.3.1 Access class and overload control -- 2.3.2 Small data transmission -- 2.3.3 Device power savings -- 2.3.4 Study on provision of low-cost MTC devices based on LTE -- 2.3.5 Study on cellular system support for ultra-low complexity and low throughput internet of things -- 2.3.6 Study on Latency reduction techniques for LTE -- 2.4 5G -- 2.4.1 IMT-2020 -- 2.4.2 3GPP 5G -- 2.4.2.1 5G feasibility studies -- 2.4.2.2 5G network architecture -- 2.4.2.3 5G radio protocol architecture -- 2.4.2.4 NR physical layer -- 2.4.2.4.1 Modulation -- 2.4.2.4.2 Numerology -- 2.4.2.4.3 Time and frequency resources -- 2.4.2.4.4 Initial access and beam management -- 2.4.2.4.5 Control and data channels -- 2.4.2.5 NR and LTE coexistence -- 2.5 MFA -- References -- 3 - EC-GSM-IoT -- 3.1 Background -- 3.1.1 The history of GSM -- 3.1.2 Characteristics suitable for IoT -- 3.1.2.1 Global deployment -- 3.1.2.2 Number of frequency bands -- 3.1.2.3 Small spectrum deployment -- 3.1.2.4 Module price -- 3.1.3 Enhancements undertaken by 3GPP -- 3.2 Physical layer -- 3.2.1 Guiding principles -- 3.2.2 Physical resources -- 3.2.2.1 Channel raster -- 3.2.2.2 Frame structure -- 3.2.2.3 Burst types -- 3.2.3 Transmission schemes -- 3.2.3.1 Modulation -- 3.2.3.2 Blind transmissions -- 3.2.3.3 Coverage Classes…”
    Libro electrónico
  19. 19
    Publicado 2020
    “…Under the context of global change, soil nutrients, especially nitrogen, should be carefully managed and monitored in plantations experiencing intensive nitrogen input, and forests with exotic plant invasion disturbance, considering its substantial contribution to global nitrous oxide. …”
    Libro electrónico
  20. 20
    “…Citizens and businesses expect governments to be prepared for a wide range of possible crises and global shocks. However, the increasing frequency of events previously believed impossible, and their significant economic impact, has often revealed significant governance gaps. …”
    Libro electrónico