Materias: “…Science / Global Warming & Climate Change…”

Materias:

Tabla de Contenidos: “…Chapter 4 Geodesy -- 4.1 International Terrestrial Reference Frame -- 4.1.1 Polar Motion -- 4.1.2 Tectonic Plate Motion -- 4.1.3 Solid Earth Tides -- 4.1.4 Ocean Loading -- 4.1.5 Relating of Nearly Aligned Frames -- 4.1.6 ITRF and NAD83 -- 4.2 International Celestial Reference System -- 4.2.1 Transforming Terrestrial and Celestial Frames -- 4.2.2 Time Systems -- 4.3 Datum -- 4.3.1 Geoid -- 4.3.2 Ellipsoid of Rotation -- 4.3.3 Geoid Undulations and Deflections of the Vertical -- 4.3.4 Reductions to the Ellipsoid -- 4.4 3D Geodetic Model -- 4.4.1 Partial Derivatives -- 4.4.2 Reparameterization -- 4.4.3 Implementation Considerations -- 4.4.4 GPS Vector Networks -- 4.4.5 Transforming Terrestrial and Vector Networks -- 4.4.6 GPS Network Examples -- 4.4.6.1 Montgomery County Geodetic Network -- 4.4.6.2 SLC Engineering Survey -- 4.4.6.3 Orange County Densification -- 4.5 Ellipsoidal Model -- 4.5.1 Reduction of Observations -- 4.5.1.1 Angular Reduction to Geodesic -- 4.5.1.2 Distance Reduction to Geodesic -- 4.5.2 Direct and Inverse Solutions on the Ellipsoid -- 4.5.3 Network Adjustment on the Ellipsoid -- 4.6 Conformal Mapping Model -- 4.6.1 Reduction of Observations -- 4.6.2 Angular Excess -- 4.6.3 Direct and Inverse Solutions on the Map -- 4.6.4 Network Adjustment on the Map -- 4.6.5 Similarity Revisited -- 4.7 Summary -- Chapter 5 Satellite Systems -- 5.1 Motion of Satellites -- 5.1.1 Kepler Elements -- 5.1.2 Normal Orbital Theory -- 5.1.3 Satellite Visibility and Topocentric Motion -- 5.1.4 Perturbed Satellite Motion -- 5.1.4.1 Gravitational Field of the Earth -- 5.1.4.2 Acceleration due to the Sun and the Moon -- 5.1.4.3 Solar Radiation Pressure -- 5.1.4.4 Eclipse Transits and Yaw Maneuvers -- 5.2 Global Positioning System -- 5.2.1 General Description -- 5.2.2 Satellite Transmissions at 2014 -- 5.2.2.1 Signal Structure -- 5.2.2.2 Navigation Message…”

Materias: “…Lectura (Enseñanza primaria) Método global…”

Materias: “…Global system for mobile communications Computer programs…”

Materias: “…Global system for mobile communications…”

Materias: “…Global warming…”

Materias:

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…”

Materias:

Materias: “…Science / Global Warming & Climate Change…”

Materias: “…Science / Global Warming & Climate Change…”

Materias: “…Calentamiento global…”

Materias: “…Calentamiento global…”

Materias:

Materias:

Materias:

Materias:

Materias: “…Calentamiento global Historia…”

Materias: “…Calentamiento global…”