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- far field diffraction pattern 远场衍射图形
- near field diffraction pattern 近场衍射图
- Far field spatial intensity structures are result from the diffraction of sharing gratings. 远场光强的空间结构是由共享光栅组合衍射引起的。
- Based on the nonparaxial vector Rayleigh-Sommerfeld far-field diffraction integral formula, a vector expression for describing the far field of a semiconductor laser is proposed. 研究发现：在傍轴区域标量表达式不会引起太大的误差；
- The acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern. 对于系数反问题进行了研究，利用远场模式的不完全数据反演声波阻尼系数。
- The pattern and/or image of electric and/or magnetic field of an electric Hertzian dipole in the near and far field. 赫芝电偶极在远近场区中之电场与磁场之场型及影像。
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated. 验证电磁场影像及场型特性在近场与远场中之差异。
- The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line. 传输线上脉波电流频谱中各频率成份在远近场区中场型之比较。
- Influence of Satellite Retroreflector Precision on Far-Field Diffraction Pattern[J]. 引用该论文 Zhou Hui;Li Song;Zheng Guoxing;Gao Junling.
- Based on flat field diffraction gratings and array detectors,the optics and structures of a Shortwave Infrared(SWIR) field spectroradiometer were designed. 基于平场凹面光栅分光和线列阵探测器探测的最新设计方案,进行了短波红外波段地物光谱仪的光机设计。
- The X-ray diffraction pattern of maize starch granules was constituted of two parts: micro crystal regions and amorphous regions. 玉米淀粉颗粒的X-射线衍射图形是由两部分组成的：微晶区域和无定型区域。
- Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition. 目的从阻尼边界条件声波散射问题的散射场的远场模式出发去反演阻尼系数。
- The electron diffraction pattern corresponding to the reciprocal planes consisting of common reciprocal points only will superpose on the matrix spots. 仅由相重倒易点构成的倒易面所对应的电子衍射图必定被基体的衍射斑点所覆盖。
- Zirconium sulphotolylphosphonate (ZSTP) was prepared and characterized first time by X-ray diffraction pattern, TGA, IR and elemental analysis. 首次制得磺化甲苯膦酸锆（ZSTP），用X-衍射、热重量分析、红外光谱、元素分析等进行了表征。
- Finally, the body factors of the particles are achined from the inversion to the diffraction pattern of ellipsoid model. 并从椭球模型的衍射图像反演得到微粒的形体因子。
- In the course of corn starch being pregelatinied by heating and drying, the law of change of X ray diffraction pattern is studied. 研究了玉米淀粉糊在加热干燥制成预糊化淀粉的过程中，X射线衍射曲线的变化规律。
- Base on the mathematical conformation between antenna array distribution to its far field and DFT to IDFT, we discuss how to obtain the array distribution by sampling far field pattern in some space angles based on DFT. 利用天线阵列分布及其相应的阵列方向图与离散傅里叶变换对之间在数学上的同构,对不同空间角度上阵列方向图的采样值进行离散傅里叶变换(DFT)来重新确定天线阵列的激励分布。
- Adopting the space-group extinction rule and simulating the electron diffraction pattern with computer, this paper proposed a new method for selecting the reduced quadrangle. 引入空间群消光规律,用计算机模拟电子衍射图,提出选取约化四边形的新方法。
- The near and far field properties of line current of arbitrary shape is demonstrated in this example. 本例以赫芝电偶极电磁场合成之近似结果，验证偶极天线远场及近场之特性。
