| 摘要 |
<p>The invention relates to a method and an apparatus for angle measurement or for the determination of an angle of position for an object. The method comprises the use of a beacon (15) having a kwnown position and rotating around its axis, which emits light or reflects light focused thereon, the light emitting from the beacon being determined either previsouly or for the start of each measurement for a given reference bearing (R). In the method, the light emitted from the beacon (15) is picked up by a receiver (16) present in an object to be measured, which is provided with elements (12, 13) for determining, by means of the light received from the beacon, the rotational speed of the beacon and further an angular position (α) for the object with respect to said reference bearing (R). The method is further capable of measuring a distance by using a conventional known base with a receiver at each end, whereby the distance between an object to be measured and the beacon can be determined by working out the triangle or by measuring the peripheral speed between the receivers and by making use of the knowledge about the angular speed of the beacon.</p> |
