| 摘要 |
A method and apparatus for facilitating examination of an object within an optically opaque body through the use of impulse-echo techniques by projecting to an observation point, via a reflective surface positioned to intersect a line between the observation point and the object to be examined, a virtual image of a linear array of luminous points corresponding to echo-producing points of the object, such that each luminous point of the reflected image appears at a location, relative to the observation point, that coincides with the actual location of the corresponding echo-producing point of the object in the body. |
