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horizon sensor |
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horizon sensor [hə′rīz·ən ‚sen·sər] (engineering) A passive infrared device that detects the thermal discontinuity between the earth and space; used in establishing a stable vertical reference for control of the attitude or orientation of a missile or satellite in space. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| In the upcoming tests, the engineers will evaluate and automatic backup system that should come into play whenever the horizon sensor goes awry: IRAS carries a magnetometer that monitors the earth's magnetic field, including its direction, and the goal is to check out an algorithm in the computer that can automatically feed the magnetometer's directional measurements into the satellite's positioning system if the horizon sensor becomes unreliable. EDO Electro-Optics is a leading supplier of spacecraft infrared Earth Horizon Sensors for spacecraft attitude control and commercial electro-optical instrumentation. EDO Electro-Optics (Barnes Engineering) is a leading supplier of spacecraft infrared earth horizon sensors for spacecraft attitude control and commercial electro-optical instrumentation. |
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