scattered field造句
例句与造句
- The holographic process adjusts itself automatically so as to duplicate r or a independently for the exact form of the irregularly scattered field a' .
全息过程本身自动地进行调节，以此来为不规则散射场A'的精确形状分别复显出R或A。 - Then , the kirchhoff scalar diffraction theory is used to derive the scatter field of the edo grating and the simulation model is presented
并利用基尔霍夫标量衍射理论导出了edg光栅散射场的公式，建立了对蚀刻衍射光栅的模拟模型。 - The holographic process adjusts itself automatically so as to duplicate r or a independently for the exact form of the irregularly scattered field a '
全息过程本身自动地进行调节，以此来为不规则散射场a '的精确形状分别复显出r或a 。 - From the fourier space k corresponding to the scattering field of the object , an imaging evaluation mechanism based on the spatial spectral coverage is proposed
摘要从物体散射场对应的傅里叶空间出发，提出基于空间谱域分布的成像系统定性评价体系。 - A new data compression technique , called the threshold discrete fourier transform ( tdft ) method , is proposed to efficiently compress the scattered field data from complex targets
提出了阈值dft ( tdft )算法用于实现基于雷达目标强散射中心分布的rcs数据压缩。 - It's difficult to find scattered field in a sentence. 用scattered field造句挺难的
- Meanwhile the technology for separating scattering field from total field is improved in this paper , which could eliminate the calculation error and get precise scattering field
论文还改进了时域有限差分方法中的总场散射场的分离技术，消除了原来因为分离带来的计算误差，提高了散射计算的精度。 - As a following step , the spectral method is reviewed intensively , including how to build the spectral equation and how to use galerkin method solving the inducting current and scattering field
然后，详细讨论了谱域方法，包括算子方程的建立、用galerkin方法求解感应电流，求解散射场的过程。 - In order to show the scattering and complex mode - conversion clearly , the total field is decomposed into longitudinal and transverse parts and the scattered field is obtained by subtracting incident wave from the total field
通过对纵横波的分离和在全波场中对散射波的分离，清晰地显示了裂纹对脉冲超声波的散射和复杂的模式转换。 - As i walked with him through the scattered fields he had inherited from his father , i asked what he needed to move out of poverty . “ control of water for my crops , ” he said , “ at a price i can afford
当我和拉曼一起走过他父亲遗留下来的零星农地时，我问他需要什麽来帮助他脱离贫穷，他说：以我可以负担的价格，购买控制灌溉水的装置。 - By applying the boundary conditions and the orthogonality of spherical vector wave functions , an adequate number of relations between the unknown coefficients is generated . from all these discussions , the scattered fields and normalized scattering cross sections are computed
通过以上讨论，即可建立起足够多的决定各展开系数的方程，求出散射场系数，进而求出散射场及散射截面。 - In this paper , the emphasis is the application of the fdtd arithmetic in slot ' s scattering . this method modifies incidence wave and the reflected wave from conducted plane , and that result in the fdtd scattering formulations are only about the scattering field of slot
论文重点研究了fdtd算法在无限大导电平面上缝隙的散射计算中的应用，该算法对入射波和平面反射波进行了处理和修正，最终，在fdtd散射公式中只计算缝隙的散射。 - For the scattering field caused by the finite - length conducting and permeable cylinder , the boundary condition that the normal component of electrical strength is zero in conducting medium , i . e . en = 0 , was used to determine the separation constant of boundary value problem in the past
以往含有有限长导电导磁圆柱体散射场的求解，大都根据导电媒质中电场强度法向分量为零，即e _ n = 0 ，这一边界条件来确定边值问题中分离常数的取值。 - The rain area is regarded as a random background medium , and the scattering field and backscattering matrix of the cylinder target in rain are gained . in the coherent case , the power of cylinder target in rain and air and their optimum polarization states are studied by the three - step method
在研究雨中目标时，本文把雨区看成随机的背景介质，利用波传播理论、目标的边界条件，得出介质圆柱在雨中的散射场、后向散射矩阵，并进行了相关计算。 - With the plane wave representation of the green ' s function , the second - order scattered coefficients are divided into two components related to the coincidental waves and the anti - coincidental waves , which are dependent on the relationship between the single scattered field and its conjugate
通过将格林函数做平面波展开的方法，二阶散射系数分解成与同向波和反向波有关的两部分，同向和反向分别是按单次散射场和其共轭场的耦合方式而划分的两种不同情况。 - The algorithm only needs to solve an ill - posed linear system and a well - posed minimization problem and requires only the knowledge of the near field measurements of the scattered fields due to point source fields at a finite number of incidence and observation points distributed over a limited aperture
该算法只需求解一个不适定的线性系和一个适定的非线性最小化问题，而且只需要点源入射场的散射场在某个有限孔径中若干有限个入射和测量点上的近场测量信息。
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