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- By modification of the electromagnetic field expressions in the boundary plane, the vectoral solution preserves the divergent behavior of the near-field and the dipolar nature of the far field. 通过界面上电磁分布的修正,可以得到更为精确的矢量解,既保留了近场的发散特性,又满足了远场的偶极子分布特性。
- This can be a field expression, other expression, or label. 该值既可以是字段表达式,也可以是其他表达式或标签。
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- 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;
- When you open the Expression Editor, the code window contains the field expression. 在打开表达式编辑器时,代码窗口将包含相应的字段表达式。
- Because of the field expression in thesimple series fonn, the proposed method is flexible for the mathematical operations. 其它数值方法要么只给出波导场域上有限个点上的场的值,要么是积分形式的解,这对于波导缝隙的计算是非常不方便的。
- 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 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。
- 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。
- If you drag a field onto the report body, a list data region, or other unstructured area, Report Designer will create a text box with a field expression in it. 如果将字段拖动到表体、列表数据区域或其他非结构化区域,则报表设计器将创建一个文本框,其中包含一个字段表达式。
- The Eelctromagnetic Field and Power Density Vectors on Spheres in Near to Far Field from Time Harmonic Currents. 弦变电流源在近场至远场球面上之向量电磁场及向量功率密度。
- Under the condition of far field, pseudorandom diffusers have good diffusion characteristics. 摘要在远场条件下,伪随机序列扩散体具有良好的扩散特性。
- 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。
- For high intensity laser beam with center obscuration, beam quality far field measurement method is used presently. 目前对于较强的带遮拦光束采用光束质量远场测试法。
- The larger truncation ratio, the larger relative increment of peak energy of beam in far field. 切断比越大,强度峰值的相对增量也越大。
- The far field shows the radiation of a single small electric dipole for groups of straight currents in a small region. 小型直线电流群在远场呈现单一电偶极之辐射。直线电流之沿线方向无辐射。
- Reconstruction Method of Far Field Laser Energy Measured with Calorimetric Array[J]. 引用该论文 刘峰;吴振森;谢永杰;王立君.
- 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。
- Application to the inducted and radiated field patterns from near to far field of line currents of arbitrary shape are demonstrated. 并应用于显示任意线电流源之感应及辐射场强由近场至远场之变化。