1. אלגוריתמי ניווט ושיערוך מיקום
הרצאה 3:
GNSS
מרצים:
פרופסור בועז בן משה
רועי יוזביץ

2. History:
4, October, 1957

3. Triangulation vs Triatulation

4. “It’s worse than a crime. It’s a mistake” [Joseph Fouche]

6. TOA

7. DOP

9. Sphere Intersection (2 solutions…)

10. השיטה של בועז

11. PseudoRange Equations
השיטה הנכונה
PseudoRange Equations

12. Taylor Series
65 =?

16. Selective Availability

18. In Depth look

19. C/A Code

22. FFT Search Space

23. Multipath Phenomena

24. Urban Canyons multipath

25. Map Matching/ Dead Reckoning

27. The Receiver worked “good”

28. Cordinate Systems: ECEF Lattitude/Longtitude
Universal Transverse Mercator (UTM)

29. ECEF (WGS-84)

30. Lat/Lon

31. Intermezzo

32. UTM

33. GNSS Velocity Computation
Satellite Doppler Shift:

34. 𝑣 𝑑 = 𝑣 𝑠 ∙𝑠𝑖𝑛𝛽;

36. GNSS Protocols:
NMEA (Textual)
Binary (Sirf, Rinex)
Propriety NMEA (ST-Micro)
Android API (LAT/LON, COG/SOG)

38. Other Kinds Of GNSS A-GPS (Cellular) D-DGPS Real Time Kinematics (RTK)

39. D-GPS (what is ppm?)
1 ppm – 1cm of accuracy for every 10km distance from the base-station.