For the convenience of the study of aircraft wake vortex scattering characteristics, a rapid modeling method for the wake dielectric constant distribution is put forward.

为便于研究飞机尾流电磁散射特性，提出了一种飞机尾流介电常数分布的快速建模方法。

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The large eddy simulation methods can be used to analysis and calculate the decay and transport rules of wake vortex in near ground phases, but it′s too complex and difficult to use.

采用大涡模拟方法可以分析和计算近地阶段尾涡消散和运动规律，但模型繁琐、计算复杂。

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Both lift line model and generalized wake model are founded in this paper. A method is given for calculating induced velocities by a wake vortex line which results in a rapid convergence.

建立了旋翼升力线模型和广义尾迹模型，在计算角迹涡线诱导速度时，采用了快速收效方法。

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