| 摘要 |
A profile scanner (100) for locating a target zone (112) on a profile of a vessel (110) comprising an emitter adapted to progressively or instantaneously radiate towards the vessel; a receiver providing a signal indicative of radiation incident thereon; a controller or processor including stored instructions, for energising the emitter and receiving the signal, and adapted to determine the vertical location of the target zone relative to the scanner. |
