若忽略磁偶极子对的边缘效应，并将其等效成束缚电流元，可用安培定律来确定其受力大小和方向。
To lose sight of paired magnetic dipole brim and to equate bound current element, making certain direction and magnitude of a force upon it by Ampere Law.
螺旋桨表面和它的尾涡面离散为四边形双曲面元，每个面元上布置等强度偶极子和源汇分布。
The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions.
结果表明，对于半波长的偶极子阵列，当阵元间距为半波长时性能达到最佳。
The results indicate that a half-wave dipole array has good performance when array element space is also half-wave.
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