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referential point
相关语句
  基准点
     The probability distribution model of load in an arbitrary design reference period is established based on Bernoulli trials model by analyzing the probability distribution model of loads in the paper. The calculation method of characteristic value of load is put forward on "the referential point method" by which computation formulas and tables of characteristic value of load corresponding to the design reference period are given.
     在对荷载概率分布模型分析的基础上,采用伯努利试验假设,建立了任意设计基准期内的荷载概率分布模型,提出基于“基准点法”的荷载特征值取值标准,即取设计基准期内荷载极大值分布的概率密度函数最大的荷载作为特征值,并进一步导出了与设计基准期对应的荷载特征值计算公式和表格。
短句来源
  相似匹配句对
     Access Point
     无线接入点
短句来源
     Extreme Point of f(x) and f~n(x)
     连续函数f(x)与{f(x)}~n的极值
短句来源
     It has referential significance for designers.
     这些对于设计人员来说是有参考意义的。
短句来源
     Conclusion:MR manifestations and classfication of ESS have diffinitive referential value from the point of view of clinical recognization and management.
     结论:ESS的MR表现及分型对临床认识和处理本病有一定参考价值。
短句来源
     The Cognitive Understanding of Referential Words
     指示语的认知理解
短句来源
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The paper first describes the space variation characteristics of seismic motion observed at dense arrays,then illuminates the difficulties and faults of engineering method in studying and modelling seismic motion field. A new physical framework for estimation of ground motion field is presented in the paper. It consists of two links: (1)estimating the ground motion at the referential point,which can be used to express the average effects of seismic source and regional geological background on the seismic...

The paper first describes the space variation characteristics of seismic motion observed at dense arrays,then illuminates the difficulties and faults of engineering method in studying and modelling seismic motion field. A new physical framework for estimation of ground motion field is presented in the paper. It consists of two links: (1)estimating the ground motion at the referential point,which can be used to express the average effects of seismic source and regional geological background on the seismic motion field; (2)estimating the ground motion variation in a small area on the basis of the random disturbance of equivalent phase velocity and small -dimension Q value structure. Five earthquake data recorded at SMART-1 dense array are applied to test the physical model. The results show that the model is reasonable.

本文在总结前人研究成果的基础上着重描述了通过密集强震台阵观测到的地震动空间变化的特征,阐明了工程方法在研究地震动场时所面临的困难和其自身的缺陷。随后从震源和地震波在真实介质中传播这两方面考虑,提出了用参考点地震动和表示台阵内各台点几何关系、介质特性以及震源影响的Fourier谱矩阵所描述的地震动随机场理论。这一理论的核心在于一方面用参考点的地震动近似表示整个震源大小和传播介质在大范围的地质构造背景下对整个地震动场的影响、控制;另一方面用地震波的衰减、频散、地震波的入射方向以及等效相速度的随机涨落来刻画小范围内各个台点由于地震波的传播路径不同、各台点所处的场地条件不同而在地震动上产生的差异。最后利用SMART—1台阵的部分强震记录检验了本文方法的合理性。

Abstract The author studies the use and tense function of "了" "着" "过" when they are put on attributive positions. The following points are made: 1. Compared with their predicate positions, the constituent functions of "了" "着" "过" have varied degree reduction. There is constituent difference among them. 2. When "V 了/着/过 的 N" appear in a sentence, "了" "着" "过" have relative tense functions. The time referential point is the occurrence time of an event which is indicated by the predicate verb or the time...

Abstract The author studies the use and tense function of "了" "着" "过" when they are put on attributive positions. The following points are made: 1. Compared with their predicate positions, the constituent functions of "了" "着" "过" have varied degree reduction. There is constituent difference among them. 2. When "V 了/着/过 的 N" appear in a sentence, "了" "着" "过" have relative tense functions. The time referential point is the occurrence time of an event which is indicated by the predicate verb or the time of speech. 3.In Type A, "V 的 N" without specific time marker has time ambiguity.When "了" "着" "过" are put in "V 的 N", they become a formal grammatical marker of relative tense of "V".

为认识“了”、“着”、“过”在非谓语位置上的时态功能,本文拟对定语位置上的“了”、“着”、“过”作全面的考察分析。为行文方便,我们用“V”代表动词性定语,用“N”代表中心语,“V”和“N”都既可以是一个词,也可以是一个短语。一 “了”、“着”、“过”在“V的N...

A novel X-ray dual-energy image subtraction method based on the multi-referential points is proposed. For this method, it's no need to evaluate the initial intensity of the incoming X-ray. The method firstly selects several pixels in the original image as the referential points and smoothes them. Then the smoothed referential points are applied to solve the dual-energy equations individually and make the subtracted images that have the same texture. The result image, which produced by the average...

A novel X-ray dual-energy image subtraction method based on the multi-referential points is proposed. For this method, it's no need to evaluate the initial intensity of the incoming X-ray. The method firstly selects several pixels in the original image as the referential points and smoothes them. Then the smoothed referential points are applied to solve the dual-energy equations individually and make the subtracted images that have the same texture. The result image, which produced by the average of those subtracted images, keeps the entire dynamic information of soft tissue and bone. This method can improve the quality of the subtracted image for the subtraction processing and the filter working together. The experiment shows that the method is robust and can be implemented by the computer automatically.

提出了不直接依赖于入射X线强度的基于多参考点的双能量减影算法 .该算法选取图像中的若干个像素点作为参考点 ,在对这些参考点进行平滑处理后分别求解双能量方程以产生多幅具有相同纹理的减影图像 ,将这些图像进行平均后得到保留着动态信息的骨骼和软组织图像 .该算法将减影和滤波过程同时进行 ,提高了结果图像的质量 .实验表明该算法具有较强的稳定性 ,实现了计算机自动处理 .

 
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