An experimental microwave multilateration system has been developed by NASA to provide highly accurate position and velocity measurements during the approach and landing phase of VTOL aircraft. The system uses an angle modulated ranging signal to provide both range and range rate measurements between an aircraft transponder and multiple ground stations. Range and range rate measurements are converted to coordinate measurements, and the coordinate information is transmitted via an integral data link to the aircraft. This paper describes the development of the multilateration system and the associated digital signal processing techniques. Advantages and disadvantages of several processing techniques are discussed. The operation and accuracy of the system as determined from both analytical studies and flight experiments will be described.
Development of a microwave multilateration system for VTOL landing guidance
International Conference on Electronic Navigational Aid Systems for Aircraft ; 1977 ; Paris, France
1977-01-01
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Development of a microwave multilateration system for VTOL landing guidance
Tema Archiv | 1977
|Multilateration Software Development (Phase II)
NTIS | 1973
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