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Signal Propagation (Seeber, 2.3)

Signal Propagation (Seeber, 2.3). Ch. 3 Clock definition. Ch. 3 Electromagnetic waves. Ch. 3 . Dispersion, Phase and group velocity. Dispersive medium: velocity depends on frequency, (due to resonance)

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Signal Propagation (Seeber, 2.3)

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  1. Signal Propagation (Seeber, 2.3) • .

  2. Ch. 3 Clock definition • .

  3. Ch. 3 Electromagnetic waves • .

  4. Ch. 3. Dispersion, Phase and group velocity. • Dispersive medium: velocity depends on frequency, (due to resonance) • Velocity of particular wave with uniform wavelength: phase velocity, vp • Velocity of wave-group (several waves): vg • .

  5. Ch. 3, Frequency domains

  6. Ch. 3, Frequency domains • .

  7. Ch. 3: Atmosphere • . • .

  8. Ch. 3, Ionosphere, layers. • Characterized by electron density, e, number of electrons per m3 • .

  9. Ch. 3, Total electron density, TEC. • .

  10. Ch. 3, Solar activity • http://www.dxlc.com/solar/solcycle.html • .

  11. Ch. 3, Dispersion in ionized gas • .

  12. Ch. 3, Effect on propagation. • .

  13. Ch. 3, Effect on group and phase. • http://aiuws.unibe.ch/ionosphere/gim.gif

  14. Ch. 3, Troposphere. • .

  15. Ch. 3, Range difference. • .

  16. Ch. 3, Integration along curved path. • .

  17. Ch. 3, Atmosphere models • http://modelweb.gsfc.nasa.gov/ • http://www.suominet.ucar.edu/index.html • http://epncb.oma.be/_organisation/projects/trop_sp/index.php#map

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