Optical guidance vidicon test program

Computer Science – Performance

Scientific paper

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Optical Equipment, Performance Tests, Spacecraft Guidance, Vidicons, Mariner Jupiter-Saturn Flyby, Selenium, Space Exploration, Space Simulators

Scientific paper

A laboratory and field test program was conducted to quantify the optical navigation parameters of the Mariner vidicons. A scene simulator and a camera were designed and built for vidicon tests under a wide variety of conditions. Laboratory tests characterized error sources important to the optical navigation process and field tests verified star sensitivity and characterized comet optical guidance parameters. The equipment, tests and data reduction techniques used are described. Key test results are listed. A substantial increase in the understanding of the use of selenium vidicons as detectors for spacecraft optical guidance was achieved, indicating a reduction in residual offset errors by a factor of two to four to the single pixel level.

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