片语

field pattern-propagation factor场方向性相对因数

propagation E factor传播因数

Beam Propagation Factor传输因子

beam propagation factor m-factor光束传输因子

factor of propagation传播系数

英汉例句

• using the new definition of factor m2, the propagation of chromatic beams can be analyzed by the beam propagation factor m2 as same as that of monochromatic beams.

  利用单色光束传输特性的研究方法，我们可以通过新定义的彩色光束m2因子来研究彩色光束的传输特性。

• the mode field half width, far field divergence half angle and beam propagation factor are the criterion of parameter descriptions and quality evaluations for the beam.

  光纤端面衍射场光束的特征参数由基于二阶矩和微分算子算法定义的近场模场半径、远场发散角角半径和基于二阶矩算法定义的光束传输因子综合描述。

• in the third chapter, using the second-order momentum of beam radius, the rayleigh range and beam propagation factor of three different polarized beam arrays are derived.

  在第三章中，我们利用光束半径的二阶距定义，推导了三种不同偏振分布光束列阵的瑞利距离和光束传输因子。

• design of emc must be considered from three aspects: reducing intensity of interference source, attenuating propagation factor and enhancing anti-jamming capability of interfered equipment.

  emc设计须从减弱干扰源（传导源）强度、衰减传播因子、提高受扰设备抗干扰能力三方面进行综合考虑。

• the concept of the beam propagation factor m2 is extended for chromatic laser beams. the definition of the beam propagation factor can be generalized with the weighted effective wavelength.

  本文把激光光束的m2因子的概念扩展到了彩色激光光束，并定义彩色激光光束的m2因子为有效波长的加权平均。

• the blanketed zone of support jamming is computed by the pattern propagation factor (ppf) with different reflection coefficient and carrier frequency.

  在不同反射系数不同雷达载频下，利用方向图传播因子计算了远距离支援干扰压制区。

• this kind of beam needs more study on its propagation properties in dispersive media, as well as the beam propagation factor (originally called beam quality factor).

  这种光束在色散介质中的传输特性与光束传输因子（即光束质量因子）都值得作深入的研究。