| 摘要 |
Method for detection and identification of one or more distant objects by transmitting wave energy towards the object and receiving wave energy reflected from the object, and also signal-processing information which is contained in the received wave energy. According to the invention, the method is characterized in that a) the signal-processing comprises a number of separate signal parameters for the received wave energy, which parameters together form a measured signature for the object, b) the measured signature is compared with a number of previously stored signatures comprising the same separate signal parameters for known objects, which are relevant for the detection and identification, c) a record is made of objects with previously stored signatures which, within predetermined tolerances, correspond to the measured signature, d) subsequent transmission and reception of wave energy is used to update the individual parameters and thus the measured signature, e) the updated, measured signature is compared with the previously stored signatures of the objects recorded, the previously stored signatures of which, within predetermined tolerances, correspond to the updated measured signature, and f) steps d) and e) are repeated until there is a small number of recorded objects, preferably only one object, which is relevant. The method is intended primarily for radar systems but can also be used in connection with, for example, sonar systems. <IMAGE> |
