Quantum mechanical uncertainty limitations on deep space navigation by Doppler tracking and very long baseline interferometry

Details Quantum mechanical uncertainty limitations on deep space navigation by Doppler tracking and very long baseline interferometry Quantum mechanical uncertainty limitations on deep space navigation by Doppler tracking and very long baseline interferometry

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rasc...25...97c&link_type=abstract

Radio Science (ISSN 0048-6604), vol. 25, Mar.-Apr. 1990, p. 97-100.

Computer Science

Performance

Quantum Mechanics, Space Navigation, Spacecraft Tracking, Very Long Base Interferometry, Deep Space, Doppler Radar, Squeezed States (Quantum Theory)

Scientific paper

The ultimate precision with which VLBI can determine the angular position of a spacecraft is determined by the quantum-mechanical limitations on the performance of the interferometer receivers and the quantum-mechanical uncertainty relation Delta(N) Delta(Phi) greater than or equal to 1. It is shown that, for the navigation of a typical deep space mission using present-day techniques, fundamental physics imposes specific limits on the precision of spacecraft navigation. These limitations may be circumvented, in principle, by the application of squeezed quantum states.

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