Spacecraft velocity measurement system

Details Spacecraft velocity measurement system Spacecraft velocity measurement system

1983-04-25

1987-03-03

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Position indicating

364455, G01S 302

Patent

active

046479325

ABSTRACT:
A system for measuring the velocity of a spacecraft from a position onboard the spacecraft is disclosed. This system includes a radio wave receiver means for receiving pulse trains from a plurality of preselected pulsars. A velocity measuring unit located on the spacecraft measures the velocity of the spacecraft based on the Doppler shift of the pulse trains transmitted from each of the plurality of preselected pulsars.

REFERENCES:
patent: 2770795 (1956-11-01), Peterson
patent: 3605095 (1971-09-01), Higgins
patent: 3866229 (1975-02-01), Hammack
patent: 4263539 (1981-04-01), Barton
patent: 4445119 (1984-04-01), Works

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