摘要
陆地声纳法 (“陆上极小偏移距超宽频带弹性波反射连续剖面法”的简称 )在浅层高分辨率探查中有一些优点 ,在高分辨率探查浅地层、测量地震勘探静校浅层参数、深小溶洞探查、隧道施工地质预报、挡墙质量检测、厚层混凝土结构物及背后空洞空区检测等方面都得到成功的应用。此方法的超宽频带接收系统、分窗口带通滤波提取多频段信号等特点 ,带来了使人惊喜的效果 。
Landsonar, the abbreviation of an extremely elastic reflection wave of continues profiling with extremely small offset and very wide band frequency, has some advantages. It has been successfully used in high resolution exploration of shallow stratums, obtaining near-surface parameters for seismic statics, surveying depth and smaller karst caves, geological prediction of the front of drift in the tunnel construction, checking the quality of retaining walls, checking on the quality of lining of thick concrete structure and empty areas in their back and so on. This method with some special characteristics, such as the receiving system with very wide band frequency, the band-pass filtering （100-200Hz or 100-500Hz） getting for different time windows in data, has got good results and has proved to work normally on the downtown street.
出处
《工程地球物理学报》
2004年第1期31-37,共7页
Chinese Journal of Engineering Geophysics
关键词
陆地声纳
弹性波
地震反射法
宽频带
浅层
landsonar
elastic wave
seismic reflection survey
wide band frequency
shallow stratum
