| 摘要 |
FIELD: railroad transport. ^ SUBSTANCE: invention relates to system and method of determining at least one parametre related with the train rolling on railway line. Proposed system comprises a transducer arranged to pickup acoustic signals at preselected point at railway line and processor connected to the said transducer to analyse frequency spectrum advance in time corresponding to acoustic signals. Proposed method comprises detecting HF acoustic signals at railway line point to obtain HF spectrum of HF acoustic signals. HF spectrum advance in time is determined to analyse it for determining the approach to detection point on railway line. ^ EFFECT: higher accuracy of parametre determination above described parametre and, in case rail gets destructed, higher accuracy of destruction point. ^ 10 cl, 2 dwg |
