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ATTITUDE SENSOR, AND SYSTEM FOR CONTROLLING ATTITUDE OF AN OBJECT
ATTITUDE SENSOR, AND SYSTEM FOR CONTROLLING ATTITUDE OF AN OBJECT
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机译：姿态传感器以及用于控制物体姿态的系统
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摘要
Apparatus for sensing attitude of an object with respect to the direction of incident coherent light, by sensing the relative phase of such light at two spaced-apart points which are located adjacent the object and which move with the object. The relative phase of the light is sensed by producing interference fringes with the light picked-up at the two spaced-apart points. The position of the fringes on a surface is an indication of the relative phase at the two spaced-apart points and thus of the attitude of the object. For automatic control, the motion of the fringes is automatically sensed by photoelectric means to produce an electrical signal for controlling the attitude of the object in a manner to oppose departures from the desired attitude.
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