• 作为汽车发烧友开着辆奔驰车每年印第安纳波利斯观看F1方程大赛

    A car enthusiast, he drove a Mercedes and made an annual pilgrimage to Indianapolis to watch Formula 1 RACES.

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  • 利用菲涅基尔霍夫衍射积分非线性波动方程,在场近似光学薄近似条件下,得出相调制产生“”出现位置及强度满足的解析关系

    According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.

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  • 出手媒质电磁满足谐波方程运用代数方法求解了电磁势的并矢格林函数,以偶极振子为例研究了手征媒质中的区辐射场性质。

    Time--harmonic wave equations of electromagnetic potential in chiral media are given, the dyadic Greens function is solved by using dyadic algebraic method, then.

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  • 进一步研究变焦系统结构特征,得出使系统整个变焦过程中处于位置的光阑轴向位移方程

    To study the structure of telecentric beam path for zoom lens system, the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position.

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  • 从含探针校准信息传输方程出发天线球面扫描测量数据进行球面变换

    Near-field far-field transformations are used by the data measured on a sphere surrounding test antenna based on the transmission formula with probe correction.

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  • 柱坐标下从微分波动方程出发,推导柱面光波场分布,并利用场近似条件导出线光源光轴任意角度时,垂直光轴方向的参考面上振幅表示

    The expression of complex amplitude is given in reference plane vertical to the optical axis by far-field approximation when the line source and the principal axis are at any Angle.

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  • 依据锥体尾迹流动的边界层特征边界层方程出发得到高超声速尾迹流动的拟相似性

    According to the boundary layer character in reentry wake of hypersonic blunt cone body, this paper presents a local similar solution for hypersonic wake.

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  • 坐标下微分波动方程出发推导柱面光波分布,并利用场近似条件导出当线光源光轴成任意角度时垂直光轴方向参考面上振幅表示

    Starting from the wave differential equation, a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis.

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  • 文章推导了三维标准抛物线方程及相应的近场-变换理论,计算了理想导体雷达散射截面

    In the paper, the three-dimensional standard parabolic equation(SPE) and near-to-far-field transformation are deduced, and the radar cross section(RCS) of a perfectly conducting sphere is calculated.

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  • 过程建立方程描述求解结果显示化学浆液孔隙系统中的吸渗速度小于裂隙系统中的流动速度。

    The equation of the process is raised and calculated. The results show that the flow rate of chemical grout in fracture system is much less than that in porous system.

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  • 过程建立方程描述求解结果显示化学浆液孔隙系统中的吸渗速度小于裂隙系统中的流动速度。

    The equation of the process is raised and calculated. The results show that the flow rate of chemical grout in fracture system is much less than that in porous system.

    youdao

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