| 摘要 |
An object, such as a robotically controlled television camera undergoes alignment with a reflective target by directing a coherent beam of radiation, e.g., a laser beam, into an opening in an enclosure having a reflective interior such that the radiation strikes a reflector in axial alignment with the enclosure opening. Upon striking the target, the beam undergoes reflection through the enclosure opening back to the object for detection. Alignment between the object and the target occurs when substantially all of the radiation undergoes reflection from the target to the object.
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