该词条未找到_海词词典

您要查找的是不是：

The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
This star is at the zero field angle and, as in our example above, we are enjoying a diffraction limited view of this star. 这颗星的角度就是0度，我们当然很乐意进行这样的单星测试。
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。
When frequency is 301p/mm, the modulation transfer function(MTF) is near diffractive limit under 0.5 field angle, the modulation transfer function (MTF) is near 0.7 in edge field. 频率为301p/mm时系统的光学传递函数在0.;5°视场角以下接近衍射极限;边视场角的传递函数系数接近0
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。
In this paper, the research on vignetting is done and a formula for vignetting about field angle、entrance window, entrance pupil and the distance between them is deduced. 文中对渐晕做了一些研究，并推导出一个渐晕关于视场角、入瞳、入射窗以及两者之间距离的解析式。
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。
The method has not the effect of alignment error as the conventional ways to fabricate binary optics elements (BOB), and can avoid the defects with large field angle imaging in gray-scale mask technology. 该方法不存在传统的对准套刻法的对准误差影响，也避免了灰度掩模技术对大视场成像要求高的缺点。
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.
As for axial refractive index distribution, the error varies directly with viewing field angle and increases with the range of refractive index, but does not vary with object distance. 对于轴向折射率分布，其偏差与视场角成线性关系，随折射率变化幅度的增大而增大，但不随物距变化；
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。
At the same time,the far field conditions of infinite plate and far field and edges conditions of SSSS plate is given for using the method. 同时给出了利用此方法的无限板上的远场条件和周边简支板的远场条件和边界条件。