Time : From Earth Rotation to Atomic Physics
Dennis D. McCarthy
Bok Engelsk 2009 · Electronic books.
| Annen tittel | |
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| Utgitt | Hoboken : : Wiley, , 2009.
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| Omfang | 1 online resource (375 p.)
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| Opplysninger | Description based upon print version of record.. - TIME - From Earth Rotation to Atomic Physics; Contents; Preface; Acronyms; 1: Time: Pre-Twentieth Century; 1.1 In the Beginning; 1.2 Characterizing Time; 1.3 Calendars; 1.4 Astronomical Observations; 1.5 Timekeeping; 1.6 Time Epochs; 1.7 Time Transfer; 1.8 Rotation of the Earth; 1.9 Beginning the Twentieth Century; References; 2: Solar Time; 2.1 Apparent Solar Time; 2.2 Mean Solar Time; 2.3 Equation of Time; 2.4 Sidereal Time; 2.5 Washington Conference of 1884; 2.6 Newcomb's Theory of the Sun; 2.7 Universal Time; 2.8 Coordinated Universal Time (UTC); 2.9 Greenwich Mean Time (GMT). - 2.10 Tropical Year2.11 Besselian Year; 2.12 Reference System; 2.13 Time Zones; 2.14 Daylight Saving Time; References; 3: Ephemerides; 3.1 Ephemerides and Time; 3.2 Before Kepler and Newton; 3.3 Kepler and Newton; 3.4 Tables, General Theories, and Ephemerides; 3.5 Lunar Theories; 3.6 The Advent of Computers; 3.7 Numerical Integrations; 3.8 Observational Data; 3.8.1 Radar Observations; 3.8.2 Lunar Laser Ranging; 3.8.3 Spacecraft Observations; 3.9 Dynamical Reference Frame; 3.10 Time Arguments; 3.11 Astronomical Constants; 3.12 Artificial Satellite Theories; 3.13 Theory of Relativity; References. - 4: Variable Earth Rotation4.1 Pre 19th Century; 4.2 Secular Variation; 4.3 Irregular Variations in the Earth's Rotation; 4.4 Early Explanations for the Variable Rotation; 4.5 Current Understanding of the Earth's Variable Rotation; 4.6 Consequences; References; 5: Earth Rotation and Polar Motion; 5.1 Earth Orientation; 5.1.1 Precession/Nutation; 5.1.2 Polar Motion; 5.1.3 UT1; 5.2 Variations in the Earth's Orientation; 5.2.1 Precession Nutation; 5.2.2 Polar Motion; 5.2.2.1 Secular Variation; 5.2.2.2 Decadal Variations; 5.2.2.3 Chandler and Annual Variations; 5.2.2.4 Other Variations. - 5.3 Transforming Between Reference Frames5.4 Determination of Earth Orientation; 5.5 Earth Orientation Data; References; 6: Ephemeris Time; 6.1 Need for a Uniform Time Scale; 6.2 Danjon Proposal; 6.3 Clemence's Proposal; 6.4 Adoption and Definition; 6.5 Observational Determination; 6.6 The Ephemeris Second and Atomic Time; 6.7 Historical DT; 6.8 Problems with Ephemeris Time; 6.9 Relativity; 6.10 Dynamical Time Scales; References; 7: Relativity and Time; 7.1 Newtonian Reference Systems; 7.2 Special Relativity; 7.3 Lorentz Transformations; 7.4 Coordinate and Proper Time; 7.5 Minkowski Diagrams. - 7.6 Time in Special Relativity7.7 General Relativity; 7.7.1 Metrics in General Relativity; 7.7.2 The Equivalence Principle; 7.8 IAU Resolutions; 7.9 Time Scales; 7.9.1 International Atomic Time; 7.9.2 Dynamical Time Scales; 7.10 Relativistic Effects in Time Transfer; References; 8: Dynamical and Coordinate Time Scales; 8.1 Replacing Ephemeris Time; 8.2 Terrestrial Dynamical Time (TDT) and Barycentric Dynamical Time (TDB); 8.3 Problems with TDT and TDB; 8.4 New Reference System; 8.5 New Time Scales; 8.5.1 Coordinate Time; 8.5.2 Terrestrial Time; 8.5.3 Geocentric Coordinate Time. - 8.5.4 Barycentric Coordinate Time. - Filling the need for a book that conveys the current technology as well as the underlying history and physical background, this book tells physicists and engineers how to measure time to the precision required for modern-day use. The authors draw on their longstanding research experience with timekeeping and high-precision measurement to cover the use of satellites in measuring earth movement variation and the influence of the moon, while also dwelling on such topics as timekeeping aboard satellites and time transfer.Indispensable for high-precision measurements of processes in astrophysic
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| Emner | |
| Sjanger | |
| Dewey | |
| ISBN | 9783527407804
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