Title : 
Algebraic two-satellite TOA/FOA position solution on an ellipsoidal Earth
         
        
        
            Author_Institution : 
Dept. of Radar & Signal Anal., Sandla Nat. Labs., Albuquerque, NM, USA
         
        
        
        
        
            fDate : 
7/1/2004 12:00:00 AM
         
        
        
        
            Abstract : 
A direct algebraic solution is given for estimates of the ambiguous locations of an RF emitter on the surface of an ellipsoidal Earth given time-of-arrival (TOA) and frequency-of-arrival (FOA) measurements at two satellites.
         
        
            Keywords : 
radio direction-finding; satellite navigation; Earth; RF emitter; TOA-FOA measurements; algebraic solution; ellipsoid; frequency-of-arrival; location estimation; position solution; time-of-arrival; two-satellite communication; Difference equations; Earth; Frequency estimation; Frequency measurement; Nonlinear equations; Polynomials; Position measurement; Radio frequency; Relays; Satellite ground stations;
         
        
        
            Journal_Title : 
Aerospace and Electronic Systems, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TAES.2004.1337476