Ultrasonic imaging detecting technique plays a very important role in the field of non - destructive testing in modern industry and it has become an important method for quantitative detecting 超声成像检测技术在现代工业无损检测中具有重要地位，已成为定量检测的重要手段。
The borehole ultrasonic imaging method can precisely reflect the smoothness of the borehole wall , and then judge the weathering degree of the rock and determine thickness of the weathering bed 摘要钻孔超声成像方法能精确地反映井壁的光滑情况，进而判断岩石的风化发育程度，确定风化层的厚度。
At the end of paper , some questions are proposed and the resolving methods are introduced , and the results of the experiment shows a good performance of this system 文章最后对整个系统的成像结果作了分析，提出具体实现中存在的问题及解决方法。实验结果表明本系统初步达到超声成像要求，有一定的实用价值。
Nowadays ultrasound imaging technique is developed to enhance resolution power . the resolution power in sound and image has become one of the important performance indexes in evaluating ultrasound imaging system 提高分辨率是目前超声成像的发展方向，声像分辨率是评价超声成像系统的最重要的性能指标之一。
This paper introduces the application of computer to medical ultrasound images in which the processing of medical ultrasound images and picture archiving and communication system ( pacs ) are involved in 摘要介绍了计算机在医学超声成像领域的应用，着重讨论了医学超声图像处理的方法和医学图像存档及通信系统( pacs ) 。
Through some examples , we think that the ultrasonic imaging method that can obtain some parameters of the crack attitude and the opening is an effective method in studying the crack of underground rock stratum 经过多项工程实践，我们认为超声成像法对钻孔孔壁扫描获得裂隙产状、开度等参数是研究地下岩层裂隙的有效方法。
Aiming at the application of shaft ultrasound imaging in cased well , the scheme improves imaging resolution power and gives the reasons why space resolution power is superior to conventional imaging 在此基础上，针对井壁超声成像在套管井检测的应用实际，建立了提高成像分辨率的合成孔径聚焦成像模型，并对此进行了论证。
This paper introduces four kinds of mehtods that is used to investigate crack in underground rock stratum : borehole core method , ultrasonic imaging method , borehole television method , and borehole discharge well logging method 摘要本文介绍了地下岩层裂隙的4种勘察研究方法：钻孔岩芯法、超声成像法、钻孔电视法、钻孔流量测井法。
This paper discusses several algorithms of re - fabricating images in synthetic aperture focusing ultrasound imaging . on such a basis , it puts forward the digit quadrature processing method of synthetic aperture to lower sampling rate , reduce operation and storage quantities and presents emulational results 本文讨论了合成孔径聚焦超声成像中重构图像的几种算法，在此基础上提出能够降低采样率、减少运算量和存储量的数字正交处理的合成孔径方法，并完成了仿真结果、模拟成像和dsp的实现。
The principle and technique of ultrasonic imagery are expounded herein and it is proved by practice that the exploration to determine the height of leaking crevice belt in wrecked - rock over coal seam by the technique of ultrasonic imagery in borehole can overcome the defect of routine methodes . with the result that the exploring precision is improved and the data become useful 本文阐述了超声成像的原理和方法，实际应用证明，利用超声波扫描成像技术对覆岩破坏钻孔进行探测，可克服常规方法的不足，从而提高了勘探精度与资料的可利用性。
