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the target
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  目标
     Research on the Target Motion Analysis with Bearings-only and Intelligent Guidance Laws of Torpedo
     纯方位目标运动分析与鱼雷智能导引律研究
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     Experimental Study on the Technology of Recognizing the Target Information Based on Bioradar
     生物雷达目标信息识别技术的实验研究
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     Scattering Characters Analysis and Detection Algorithm of the Target for FOPEN SAR
     FOPEN SAR地面目标散射特性分析及检测研究
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     Research on the Method of the Target Recognition and Orientation Based on the Neural Networks
     基于神经网络的目标识别及定位方法的研究
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     DETERMINATION AND FILTER OF THE TARGET TRAJECTORY
     目标弹道的确定与滤波
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  “the target”译为未确定词的双语例句
     Studies on Design, Synthesis and Properties of Inhibitors of the Target Enzyme
     靶标酶抑制剂的设计、合成与性质研究
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     The Study on the Target Site of Porcine Myostatin
     猪肌生成抑制素作用靶位点的研究
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     Research on the Target Tracking and Data Association Techniques with the Information Fusion System
     信息融合系统中的目标跟踪及数据关联技术研究
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     The Sampling Plans for the Target Stability and Period Check of Textile Prodact Quality
     纺织产品质量指标稳定性周期检验的抽样方案
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     The Intranuclear Cascade and the Target Fragmentation in High Energy hA Collisions
     高能hA碰撞中的核内级联与靶核碎裂
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  相似匹配句对
     N TARGET
     命中目标
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     Target:KONGO!
     目标-金刚
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     On the Target Management
     浅谈目标管理
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     the object and target;
     挪用公款罪的客体和对象;
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  the target
As the main application it is shown that, in general, a localization operator possesses the Fredholm property, and thus its range is closed in the target space.
      
Such an estimate is both more representative of the target region and reduces the estimation variance when compared to estimates formed by any single bandlimited window.
      
Substituents at the 4th and 5th positions of the target thiazoles were introduced by a Hantzsch reaction, and the chain at the second position was extended through a Sandmeyer reaction, formylation, and Wittig olefination.
      
In the application of CAD/CAM, the target form of a curve, which is used for plotting or as the data supplied for CAM, is a set of points on (or near by) the curve.
      
Compound 9 was then converted to the target compound 11via 2'-deoxidation and 3', 5'-desilylation.
      
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A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively...

A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively broad in azimuth in order that the target will be held in the beam long enough to obtain height information. If a fixed minimum of illumination is to be achieved at a given linear distance on both sides of the center line of the azimuth beam, the amplitude pattern must have the so-called "double cosecant" or "beavertail" shape.

本论文讨论如何利用简单衍射理论,计算改良抛物面反射器天线幅射之图型。此反射器可将一无方向性辐射源之能量聚集于任何形状之波束中。此原理可以应用在地面上或船面上寻求飞机高度雷达天线之设计。在此类雷达中,天线之方位图型必须为“双馀割平方”式;其特性为自波束对称轴线起,至其两端,辐射一次路程之功率,与方位角之馀割平方成正比。得此图型之最简易方法为置一狭窄之铅垂金属条于一截形抛物面反射器之中心,金属条之宽度,可改变波束之方向性;其支距,即金属条与反射器之距离,可影响两反射波之位相。故改变金属条之宽度及其支距,可得欲得之图型。 利用衍射及干涉理论,计算金属条及截形抛物面所生之总图型为:在方位面内,幅射强度J_H与水平角θ之关系为: J_H =AA[sin~2(15πsinθ)/(15πsinθ)~2-2(1-cosπ/4)sin(2πsinθ)/2πsinθ(sin(2πsinθ)/2πsinθ-sin(15πsinθ)/15πsinθ)]A为辐射波振幅,A为A之复共轭数。计算之结果与实验之结果,颇为一致。

This paper incends to give a comprehensive survey of the high encrgy nuckar interactions produced in emulsions and cloud chambers by particles of an energy in the range 10~21 to l014 cV. The more difficult problems of measurement, such as determination of the primary energy, identification of the secondary particles and estimation of the target mass, are first brought up for discussion. Effort has been made to explain whenever possible the physical meaning of the quantities, which may give information...

This paper incends to give a comprehensive survey of the high encrgy nuckar interactions produced in emulsions and cloud chambers by particles of an energy in the range 10~21 to l014 cV. The more difficult problems of measurement, such as determination of the primary energy, identification of the secondary particles and estimation of the target mass, are first brought up for discussion. Effort has been made to explain whenever possible the physical meaning of the quantities, which may give information concerning the collision mechanism and hence the internal structure of the colliding particles. The main quantities or these arc the angular distribution, the transverse momentum and the inelasticity, in addition to the multiplicities of the different kinds of the secondary particles. For these quantities, the principle of measurement, the accuracy of experiment and the meaning of the results, particularly the latter, have been emphazised and discussed in some detail. Finally, the various models of the "one emitting centre" and of the "two emitting centres" arc discussed entirely from the physical point of view and are compared with the experimental results. It is hoped that this paper may present a general picture of the recent development of the high energy nuclear interactions and indicate the problems siill remained to be sclved.

这篇总结性文章叙论了由能量高到10~(11)—10~(14)电子伏的粒子在乳胶和云室中所引起的高能核作用。文中首先提出和讨论了在测量上较困难的一些问题,例如,初能量的测量,次粒子的辨认和靶质量的估计。一些可能揭示碰撞机构从而显示核子内部结构的物理量的物理意义,也适当地加以讨论和阐明。除了不同次粒子的多重性外,主要的物理量是:次粒子的角分布、它们的横动量和非弹性系数。关于这些量的测量原理,实验准确度和实验结果的物理意义,特别是后面一点,都有了较充分的检查和讨论。末了,“一个发射中心”和两个发射中心”的各种模型也从物理观点作了较定性的描述和讨论,并和实验结果作了比较。希望通过这篇文章对高能核作用目前发展的概况、尚存在的问题及今后工作的方向能有一定的了解。

The present paper studies the (dp) stripping reactions with the target core excitation. In this case, we assume that the target nucleus and the residual nucleus contain the conventional shell model configuration and other configurations mixed by the nucleon-nucleon residual interaction.

本文研究了在氘核削裂反应中伴随有靶核核心激发的情况。在这种情况下,假定由于核子-核子剩余相互作用,靶核的组态除了通常壳模型组态外,还混杂有核心激发的组态。同样,剩余核的组态主要是某一种核心激发的组态,但也还混杂有别种组态。在这假定下,给出了所考虑的反应过程的微分截面表示式。它表明,反应截面主要由靶核的组态混合所贡献。一般说来,组态的混合程度不大,故可预期截面数值是较小的。公式还表明,反应角分布的特征峯是由核心在激发后留下来的空穴态的轨道角动量量子数所决定的。这二点结论与这类反应的实验结果是一致的。运用这公式具体估计了六个反应事例的核谱因子,在实验误差内,理论值和从实验的估计值大致相合。

 
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