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- In this paper, when assuming a Gaussian near field distribution on the cross section of single-mode fiber, it has been derived theoretically that the far field is also a Gaussian distribution. 本文在假定单模光纤横端面上的近场为高斯分布的前提下,从理论上导出了其远场分布也是高斯分布。
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- Wider range temperature and 3D temperature field distribut... 正反熔宽模拟计算结果与实际的结果吻合。
- Solution of field distribution in stripline directional coupler[J]. 引用该论文 石德万;王文祥;宫玉彬;魏彦玉.
- A theoretical model of dual beam thermal lens effect is derived. The model predicts the intensity distribution and variation in far field of the laser beam in the presence of weakly absorbing medium. 给出了双光束激光热透镜效应的一个理论模型,它预示着激光经微弱吸收介质后的远场光斑强度分布和变化。
- 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。
- Based on Reily-integration, the sound pressure distribution and directivity formula of hexagonal piston's radiant far field are calculated out.And the directivity formula is simulated. 摘要利用瑞利积分,计算了六边形活塞声源辐射远场的声压分布以及指向性公式,并对指向性公式进行仿真研究。
- 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。
- To collect market information through close contacting with EU and field distribution. 通过和EU以及区域销售的紧密联系收集市场信息。
- 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 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。
- Finally, a method has presentedalso for the fringing field distribution measured experimentally in magneticfield. 最后叙述了由实验测量得到磁场的边缘场分布时有限积分数值的计算方法。
- 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。
- The method can be used in optimization design for any electric field distribution or reflectivity. 而且该方法能灵活有效地按任意场强和反射率要求优化设计各种膜系。
- 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。
- The cylinder"s RCS of TM and TE,as well as the near field distribution are presented. 利用这个等效网络分析了多个分层偏心介质圆柱对TM和TE波的散射截面。
- 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。
- Undulator rms phase error is expressed as function of the magnet peak field distribution. 摘 要 :给出了波荡器位相误差的函数式, 可由磁场峰值分布直接计算波荡器位相均方根误差。