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1.发明授权Means for measuring distance when it is considered probable that foreign objects or particles are between the measuring instrument and the object to which the distance is to be measured 失效用于测量距离的方法，当考虑到测量仪器和要测量距离的物体之间的外来物体或颗粒可能发生变化时
公开(公告)号：US3728026A
公开(公告)日：1973-04-17
申请号：US3728026D
申请日：1971-11-08
Applicant: ASEA AB
Inventor： IDESTROM E , LING B , PERSSON A
CPC classification number: G01S13/103
Abstract: An arrangement for measuring distance under conditions when disturbances of various types may be expected to occur between the measuring instrument and the object to which the distance is to be measured comprises an emitter unit arranged to emit a series of electro-magnetic pulses in the direction of the object and a receiver unit, which only registers the very first echo from each single pulse emitted, and the echo which of all those registered has covered the longest distance is considered to comprise a measurement of the distance to the object in question.
Abstract translation: 在测量仪器和要测量距离的物体之间可能期望出现各种类型的干扰的条件下测量距离的装置包括：发射器单元，其布置成沿着 对象和接收器单元仅记录从发射的每个单个脉冲中的第一个回波，并且所有记录的那些被覆盖了最长距离的回波被认为包括到所讨论的对象的距离的测量。
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