您要查找的是不是：
- Approximate calculation of far field divergence angle of semiconductor laser 半导体激光器远场发散角的近似计算
- Angular radius of far field divergence 远场发散角角半径
- far field divergence half angle 远场发散半角
- Far- field divergence angle 远场发散角
- The effects of swirl number of primary swirler and radial swirler,area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated. 试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
- The far field eddy current testing system for trial was developed. 建立了试验远场涡流检测系统。
- The output mode field diameter(MFD)and divergence angle are predicted by empirical equations, simulated by finite-difference beam propagation method(FD-BPM)numeric tool, and experimentally observed. 利用射线理论和经验公式给出了TLF基模光斑和发散角;
- The diameter of facula can be calculated by image process on computer, then we can get the value of divergence angle through formula. 在计算机中用图像处理方法求出光斑的大小，再计算发敞角。
- BY using the Theory of Gauss Beam, this paper discusses on the problem of the divergence angle of the compressed semi-conductor laser, and makes the numerical analysis. 利用高斯光束理论对压缩半导体激光器发散角的问题进行了讨论,并且给出了数值分析。
- Isolators with different ratio of length to height (L/H) and divergence angle were investigated and the influence of back pressure on location of the shock train was analyzed. 在来流马赫数2.;3条件下，通过改变不同的反压来研究反压对不同长高比等截面隔离段和带扩张角隔离段激波串起始位置的影响。
- It is well known that the paraxial approximation is no longer valid for the beams with large divergence angle and/or small spot size comparable with the wavelength. 当光束具有较大的发散角或光束束腰可与波长相比拟时,傍轴近似不再成立。
- 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。
- 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。
- Comparing to original cavity,the output energy increase about 40 percent,the width of output pulse decrease about 10 ns,the divergence angle decrease 0.1 mrad under the same conditions. 同等条件下;改进型对撞腔输出能量约提高了约40%25;脉冲压窄了约10ns;发散角减小0.;1mrad。
- 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。
- Methods While we knew the shape,orientation and SAD of the fields;by calculating the divergence angle and rotating the gantry,collimater,table within the angle to modulate the fields. 方法在已知某一照射野大小、方向和源轴距的情况下,计算出射线束发散的夹角,并依照该角度对机架角、准直器和治疗床做出相应的旋转调整。
- 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。
