摘要
本文提出了开展全息地震勘探研究的前期实验装置及处理方法。该装置是根据声全息原理,结合地震勘探的某些实际要求设计的,并以矿石作为物体,在消声水槽中进行成像试验,获得了全息图;再采用氦氖激光为光源,在平行光路系统中得到物体重建像;最后采用了PROM器件作为空间调制器,在实时相干光系统中进行边缘增强效应处理,获得了轮廓清晰的物体图。
In this paper a precendent experimental set-up and processing method for seismic holography is presented.According to the principle of acoustic holography and some practical requirements of seismic prospecting,a model experimental equipment is designed.A hologram is obtained from the model of ore objects in a silicone water tank.Using laser He-Ne as light source,a image of the object is reconstructed in a system of parallel light.Finally,with PROM device as spatial modulator and edge enhanced processing in a real time coherent optical system,a clear image of object can be produced.
出处
《地球物理学报》
SCIE
EI
CAS
CSCD
北大核心
1990年第5期577-584,共8页
Chinese Journal of Geophysics
关键词
全息
地震
物理模型
试验
成像
Seismic holography
Accoustic holography
Real time spatial modulator
