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     But in 1990,things changed very much, there were twelve Ms≥7. 0 occurred within six months, where the Philippines 8. 0 great shock proved the same pattern of 1975-1976.With the comparison of the seismic patterns, the author evaluated the active tendency of the strong shocks in the globe and China for the years to come.
     1990年全球地震活动的突然增强,仅半年时间内发生12次Ms≥7级地震,其中菲律宾发生8级地震,震情与1975—1976年情况相类似。 本文在对比活动图象基础上,估计了全球和中国大陆今后几年中的强震活动趋势。
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     A new registration method of serial sections of biological tissue for imaging three dimensional (3D) reconstruction was studied and the morphologic parameter measurement method of the reconstructed image was presented. The 3D microscopic images of liver sinoids were reconstucted,their volume and surface areas were measured,a quantitative description of the sinoid geometric features in 3D space was obtained.
     研究了显微生物组织连续切片三维重建及切片图象的定位技术,提出了基于重建图象的形态学参数的测量方法,并且在重建了肝血窦的三维图象基础上测量了血窦的体积和表面积,得到了三维空间中血窦的定量描述。
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     The article discuss as image gray processing in which the image process is regarded as one of the basic theory. Overpass reading basic date of figure image, transforming image, enhancing image, poising image, the method of image gray processing are realized.
     图象 的灰度处理作为图象处理的最基础理论之一,本文探讨了通过读取数字图象基础数据,进行图象变换、增强、均衡化等过程,完成图 象灰度处理的整个过程及其实现的方法。
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     As for Nondestructive Testing module,we analyzed the problemsof former 2D-based defects-detecting method,and proposed a new approach:using virtual realitytechnique,to realize 3D-image-based defects detecting.
     对于无损检测模块,我们分析了以往基于二维图像检测存在的问题,并着重提出了一种新的思路:利用体绘制算法,使用虚拟现实显示技术,实现三维图象基础上的缺陷检测。
  相似匹配句对
     Image Registration is the basis of Image Fusion.
     图象配准是图象融合的基础
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     FUNDAMENTAL OF RECOGNITION OF ECOLOGICAL ENVIRONMENT FROM REMOTE SENSING IMAGES
     论生态环境遥感图象识别的基础
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     On Image Matching Technology
     图象匹配技术
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     The Foundation of Insulation Grid Bipolar Transistor
     绝缘栅双极晶体管基础
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     The Theoretical Basis.
     理论基础
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  image basis
We use the image basis functions obtained by principal component analysis (PCA) as the templates for pattern matching.
      
We first give a Bayesian approach to this problem, by using an image basis.
      
An image basis is picked randomly and all image groups using this image basis is formed.
      
An alternative to providing commercial access on an image-by-image basis is to permit users to pay a subscription fee to the archive.
      
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After having analysed the physical feature,the core disassemble accident istreated by analytical method which contains Doppler feedback and disassemblefeedback.Using some formulations,curves and listing data,which are given inthis paper,we can estimate the total releasing energy,peak pressure and upperlimit of the destructive work without using calculating machine.

在分析物理图象的基础上处理了包含多卜勒反馈和解体反馈的事故计算。给出了一套较为简单的计算公式、曲线和列表数据,使得不必用电子计算机就可较快地算出事故释放的总能量、压力峰值和可转化为破坏能力的机械功上限的估计数据。

Based on the comparative method of "Comparative Science",the author made a comparison of the seismic activities in the globe and China during 1975 -1976 with the activities in recent two years,and meanwhile analysed the seismicity pattern for 1900-1990.According to the characteristics of the global seismicities.it is found out that the most active period appeared in 1940-1950,with annual frequency of Ms≥7. 0 earthquakes 25 - 40 times,where in the relative quiet period,only 5-12 times of Ms≥7. 0 earthquakes took...

Based on the comparative method of "Comparative Science",the author made a comparison of the seismic activities in the globe and China during 1975 -1976 with the activities in recent two years,and meanwhile analysed the seismicity pattern for 1900-1990.According to the characteristics of the global seismicities.it is found out that the most active period appeared in 1940-1950,with annual frequency of Ms≥7. 0 earthquakes 25 - 40 times,where in the relative quiet period,only 5-12 times of Ms≥7. 0 earthquakes took place. The seismicity in China also showed the same pattern, now we are in face of the new circle of the seismic active period.The period of 1980-1988 was the relative low period of seismicity, for its lack of 8. 0 great earthquakes,which we could call it the accumulative process of seismic energy. But in 1990,things changed very much, there were twelve Ms≥7. 0 occurred within six months, where the Philippines 8. 0 great shock proved the same pattern of 1975-1976.With the comparison of the seismic patterns, the author evaluated the active tendency of the strong shocks in the globe and China for the years to come.

根据“比较科学学”的对比研究方法,对1975—1976年全球地震和中国地震活动,与最近两年全球地震活动作了对比,并分析了1900—1990年全球范围和中国大陆地震活动的特点。 据资料分析,全球性地震活动随时间分布具有高潮期和低潮期。最强烈活动期为1940—1950年左右,Ms≥7级地震年频次为25—40次;相对活动最低潮期为1980—1988年,Ms≥7级地震年颁次只有5—12次。我国境内地震活动也有高潮和低潮活动期,目前,我国大陆处于一个新的地震活动高潮期。 1980—1988年是全球性8级地震较少时段,可能是地震能量积累过程。1990年全球地震活动的突然增强,仅半年时间内发生12次Ms≥7级地震,其中菲律宾发生8级地震,震情与1975—1976年情况相类似。 本文在对比活动图象基础上,估计了全球和中国大陆今后几年中的强震活动趋势。

This paper deals with the segmentation of real-time image by means of an adaptivedynamic threshold and the contour tracing on the basis of binarized image. The recognition, location and orientation analysis methods for tank-target by use of the ellipse model and contour fitting are proposed. Some satisfactory results are obtained by computer simulation experiments. The feasibility and effectness of these methods are verified.

本文用自适应动态门限对实时图象进行分割,在二值化图象的基础上进行轮廓跟踪。对于坦克目标提出了椭圆模型和轮廓拟合的识别、定位、定向分析方法。计算机模拟实验取得了满意的结果,证实了方法的可行性和有效性。

 
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