Observer's Position and Velocity Determination Using Satellite Doppler Measurements
Abstract
Existing navigation techniques using satellite doppler shift measurements are sensitive to observer velocity errors. A model is developed for determining the position and velocity of the observer with the result that the navigation process will be independent of external velocity source error. The position and velocity determination will be feasible provided that precision reference oscillators with instabilities of about 2 parts in 10 to the 12th power be used in the satellite and the navigator's equipment. Relativistic and tropospheric effects must be accounted for in the model. The feasibility also depends on the satellite velocity error being less than 0.05 meter per second.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1968
- Accession Number
- AD0393899
Entities
People
- E. W. Hix
Organizations
- Johns Hopkins University