1 Signal Propagation (Seeber, 2.3).. 2 Ch. 3 Clock definition.

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Presentation transcript:

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, v p Velocity of wave-group (several waves): v g.

5 Ch. 3, Frequency domains

6.

7 Ch. 3: Atmosphere.

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

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

10 Ch. 3, Solar activity

11 Ch. 3, Dispersion in ionized gas.

12 Ch. 3, Effect on propagation..

13 Ch. 3, Effect on group and phase.

14 Ch. 3, Troposphere..

15 Ch. 3, Range difference..

16 Ch. 3, Integration along curved path..

17 Ch. 3, Atmosphere models Products/WVR_GPS_Comparisons_Main.php