| 摘要 |
<p>The invention concerns a device for detecting and locating a radioactive source emitting gamma rays, characterised in that it comprises: first means for determining the direction of the gamma radiation emitting source relative to the centre of the detector comprising: gamma radiation sensing means; a plurality of means for evaluating the gamma radiation flux; means analysing the gamma radiation flux for determining the direction of the radiation source; second means for directing the radioactive emitting source comprising mechanical means for causing the device to move, so as to bring its centreline nearer the gamma radiation emitting source; means physically representing the device centreline.</p> |
