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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Aliasing in the one-channel case is shown to arise from a transformation with similarities to a projection.
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We consider applications to extensions of generalized projection operators as well as to sampling series.
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The aim of this article is to characterize compactly supported refinable distributions in Triebel-Lizorkin spaces and Besov spaces by projection operators on certain wavelet space and by some operators on a finitely dimensional space.
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We write the discrete Fourier series as a quasi-interpolant and hence obtain convergence rates, in the aforementioned Sobolev spaces, for the discrete Fourier projection.
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Mapping Properties of a Projection Related to the Helmholtz Equation
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| | In order to realize the demand of three predetermined positions of the flap, we use the theory of kinematic geometry to dissolve its displacement and establish its construction by instantaneous screw motion.In this paper, the method of geometric transformation is used to search the relationship between the parameters of construction and the displacement of the flop. A set of general formulas derived from the graphic calculation has been provided for the computer-aided geometric design. | | 实现襟翼在空间三予定位置的设计要求,运用运动几何原理分解其位移,通过瞬时螺旋运动来确定其运动机构。 本文应用画法几何投影变换方法来研究瞬时螺旋运动有关构造、位移等参数之间的几何关系。在图解的基础上进行解析计算得出各参数间的通用公式,为直滑轨襟翼运动机构的机助几何设计奠定了基础。 | | 文摘来源 | | In Carlsbad-albite twins which commonly occur in numerous lamellaethere are Carlsbad twins and Albite twins. The relation of the twins between two lamellae is in fact that of theindicatrixes to the direction. In a thin section with the twins perpendicularto the composition plane, the sections of the two indicatrixes and their direc-tions may indicate this relation when the direction of the composition planeand that of the thin section are known. In a thin section of the plagioclase perpendicular to the comp... | | 以双晶两光率体剖面及剖面半径与偏光镜方向交角是否相同,即以双晶两单体干涉色与亮度是否相同及这二者综合结果来阐明卡—钠双晶光学现象。并指出前人文献对这些光学现象描述的不周全,及⊥α轴切片上卡—钠双晶与卡斯巴双晶光学现象的相反。用赤平极射投影图示卡—钠双晶等有关双晶⊥(010)晶带的切片上两光率体方向上关系,以阐明卡—钠双晶光学现象,其中包括卡—钠双晶与卡斯巴双晶两特殊方向切片上的光率体关系,及偏近这两个特殊方向的两类切片上光率体的关系,此外还图示卡—钠双晶两光率体之间有以钠长石双晶轴和卡斯巴双晶轴先后转动180°的方向关系。 | | 文摘来源 | | In this paper, the time-average projected Moiré technique has been studied, which can be used for measuring vibration. The quantitative analysis equation has been deduced. The results of the experimental verification are good. Some experimental techniques, such as the optical filtering. "combination technique", are presented as well. | | 本文研究可用于振动模态分析的时间平均投影云纹法。提出了合理的定量分析公式。用典型力学实验的结果是满意的。并介绍了我们采用的光学滤波,拼接法等有关的实验技术。 | | 文摘来源 | |   | | << 更多相关文摘 |
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