| 摘要 |
<p>Apparatus for determining a relative arrangement of a first satellite (2) and a second satellite (4), comprises detection means at the second satellite for detecting radiation transmitted from the first satellite, and is characterized in that the detection means comprises a plurality of detectors (11, 13, 15), each detector being provided at a respective different, known location relative to each other detector, such that in operation each detector has a different view of a source (10) of the radiation at the first satellite, each detector being configured to produce a respective detection signal in response to the radiation.</p> |
