作为汽车发烧友,他开着一辆奔驰车,每年都远赴印第安纳波利斯去观看F1方程序大赛。
A car enthusiast, he drove a Mercedes and made an annual pilgrimage to Indianapolis to watch Formula 1 RACES.
利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程,在远场近似及光学薄近似条件下,得出了位相调制产生“热像”出现的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.
给出手征媒质中电磁势满足的时谐波动方程,运用并矢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远区辐射场性质。
Time--harmonic wave equations of electromagnetic potential in chiral media are given, the dyadic Greens function is solved by using dyadic algebraic method, then.
进一步研究变焦距系统远心光路的结构特征,得出了使系统在整个变焦过程中都处于远心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.
从含探针校准信息的传输方程出发,对天线球面扫描测量的数据进行球面近远场变换。
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.
在柱坐标下从微分波动方程出发,推导柱面光波的场分布,并利用远场近似条件导出当线光源与光轴成任意角度时,在垂直光轴方向的参考面上的复振幅表示。
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.
依据钝锥体再入远尾迹流动的边界层特征,从边界层方程出发得到了高超声速远尾迹流动的拟相似性解。
According to the boundary layer character in reentry wake of hypersonic blunt cone body, this paper presents a local similar solution for hypersonic wake.
在柱坐标下从微分波动方程出发,推导柱面光波的场分布,并利用远场近似条件导出当线光源与光轴成任意角度时,在垂直光轴方向的参考面上的复振幅表示。
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.
文章推导了三维标准的抛物线方程及相应的近场-远场变换理论,并计算了理想导体球的雷达散射截面;
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.
对这一过程建立方程描述并求解,结果显示了化学浆液在孔隙系统中的吸渗速度远小于在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.
对这一过程建立方程描述并求解,结果显示了化学浆液在孔隙系统中的吸渗速度远小于在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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