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equivalent spectra
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  “equivalent spectra”译为未确定词的双语例句
     SIMULATION STUDIES OF X RAY EQUIVALENT SPECTRA BY ITERATIVE ANALYSIS
     用迭代法重建医用加速器光子束等效能谱
短句来源
     All records are classified into three site conditions. For the two components of a record, two energy equivalent spectra are calculated, and the geometric mean of the two spectra are adopted to analysis by two-stage regression method using an attenuation model.
     本文将所选的强震记录按场地条件分为了三类,对每一条强震记录(本文中一条记录包含两个水平分量一个竖向分量)的两个水平分量分别计算了其“绝对”输入能量谱、“相对”输入能量谱、吸收能量谱和滞回能量谱等四种能量反应谱(取等效速度谱)。
短句来源
  相似匹配句对
     SIMULATION STUDIES OF X RAY EQUIVALENT SPECTRA BY ITERATIVE ANALYSIS
     用迭代法重建医用加速器光子束等效能谱
短句来源
     The Spectra of Hypercubes
     超立方体的谱(英文)
短句来源
     is equivalent to the symbol ?
     熟知其可逆性,Fredholm性等价于符号?
短句来源
     It is found that the energy equivalent velocity spectra increase with the magnitude and hypocentral distance.
     分析表明,水平和竖向分量能量等效速度谱随震级的增加和距离的减小而增加; 谱的卓越周期随震级的增加而增加。
短句来源
     MASS SPECTRA OF SILATRANES
     氮杂硅三环类化合物的质谱研究
短句来源
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  equivalent spectra
Complex frequencies, analytic continuation, and equivalent spectra in generalized quantum theory
      
There are four equivalent spectra superimposed along the three crystallographic axes.
      


The equivalent spectra of X ray beam was reconstructed by use of Modified Gauss function as the initially assumed energy spectra.Compared with the old mothods,it is simpler and faster to approach the final spectra.The degree of approaching to the original spectra is also excellent.8 MV X ray spectra from SL75/20 linear accelerator has been reconstructed out.The results showed that the quality of the reconstructed energy spectra is satisfactory.

我们设计了接近实际形状的变型高斯分布作初始能谱,重建医用直线加速器光子束穿透等效能谱。与过去的方法相比,该法重建过程简单,逼近真谱速度快,逼近程度高,各参数调节能力强,计算量小,测量要求低。我们讨论了用变形高斯分布作初始能谱的重建本领,并与用三角形初始能谱重建结果作了比较。我们重建出SL75/20型医用电子直线加速器8MV光子束中轴的穿透等效能谱。

Based on the strong ground motion data of western North America,the attenuation relationships of energy equivalent spectra were obtained according to the similarities in geology,seismology and regional tectonic et al.between China and western North America,and the variations of energy equivalent velocity spectra for earthquake magnitude and hypocentral distance were analyzed. It is found that the energy equivalent velocity spectra increase with the magnitude and hypocentral distance.A...

Based on the strong ground motion data of western North America,the attenuation relationships of energy equivalent spectra were obtained according to the similarities in geology,seismology and regional tectonic et al.between China and western North America,and the variations of energy equivalent velocity spectra for earthquake magnitude and hypocentral distance were analyzed. It is found that the energy equivalent velocity spectra increase with the magnitude and hypocentral distance.A scenario earthquake method integrating the amplitude,duration and frequency of ground motion is suggested.In this method the magnitude and hypocentral distance of scenario earthquake are determined according to the energy equivalent velocity spectrum in the period of 0.2s.This method is applied to determine the scenario earthquake and designed response spectra of a hydro project in the Xinjiang Autonomous Region,China,with 2% of exceeded probability in 100 years.

利用我国大陆与北美大陆在地震构造、地震成因、地震活动特点等方面的相似性,依据美国西部基岩强震记录资料,建立了适用于我国大陆的能量等效速度谱衰减关系式,分析了震级、震中距对能量等效速度谱的影响规律。分析表明,水平和竖向分量能量等效速度谱随震级的增加和距离的减小而增加;谱的卓越周期随震级的增加而增加。同时,将能量等效速度谱应用于设定地震的确定,提出了按0.2s周期点能量等效速度谱确定工程场址设定地震的方法,并将该方法应用于新疆克孜尔坝址地震动参数的确定,得到了坝址100年超越概率为2%的设定地震M=6.75、R=9.70km及相应的设计反应谱。由于基于能量等效速度谱的设定地震方法同时考虑了地震动幅值、频谱和持时的影响,根据该方法确定的设计反应谱介于一致概率反应谱和规范反应谱之间,克服了一致概率反应谱在中长周期处明显偏大的缺点,从而验证了本文设定地震方法的合理性。

 
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