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本文提出一种简易的直接时域分析方法,用以分析连续电阻加载天线的瞬变辐射波形。在合理的工程近似的基础上,不用数值积分和傅氏反演,可以直接给出瞬变脉冲激励下连续电阻加载天线在各个方向上的空间辐射波形,指出该辐射波形与激励脉冲参数、天线臂长、场点座标等的规律性关系。文中通过一个实例,将所得直接时域分析结果与文献[7]中的数值结果相比较,获得了满意的一致。
In this paper, a simple direct time-domain analysis method is proposed to analyze the transient radiation waveform of a continuous resistance loaded antenna. On the basis of a reasonable engineering approximation, the spatial radiation waveforms of continuous resistive loaded antenna in all directions under transient pulse excitation can be directly given without numerical integration and Fourier inversion. It is pointed out that the radiation waveform and excitation pulse parameters, the antenna Arm length, field coordinates and other regular relations. In this paper, an example is given to compare the results of the direct time-domain analysis with the numerical results in [7] to obtain a satisfactory agreement.