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利用电磁脉冲的口径瞬态辐射场计算公式,针对圆形口径的线性相移、平方律相移等非同相口径场情况,计算了辐射高斯脉冲时的能量方向图、半能量波瓣宽度、面积利用系数等参数。计算表明,对于圆形口径非同相口径场,最大辐射场的方向为口径面法线方向,同时能量方向图关于口径面法线方向对称;随着口径的增大,波瓣变窄,无副瓣;随着平方律相移的滞后参数的增加,波瓣变宽,主瓣不分裂。
Based on the calculation formula of caliber transient radiation field of electromagnetic pulse, the energy direction of radiation Gaussian pulse, the half-energy lobe width and area Utilize coefficients and other parameters. The results show that the direction of the maximum radiation field is the normal direction of the caliber surface and the energy direction is symmetrical about the normal direction of the caliber surface for the circular caliber non-isometric caliber field. The lobes are narrowed as the caliber increases, With the increase of hysteresis parameters of square law phase shift, the lobe becomes wider and the main lobe does not divide.