相对于频域方法而言，时域积分方程法有这许多优势，因此，它是计算电磁学数值方法中一个重要的方法。

The time domain integral equation (TDIE) method is one of the important methods in electromagnetic numerical simulations for several advantages over conventional method in frequency domain.

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对微带天线频带的展宽方法进行了研究，借助于时域有限差分法进行数值计算。

Microstrip antennas bandwidth enhancement method is studied, and calcutation is made for the process by using finite-different time-domain(FDTD) method.

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几个典型数值算例表明，利用本文方法求解时域积分方程的结果具有非常好的后时稳定性和精确性，并且对低频成份、高频成份不敏感。

Several numerical results show that the proposed method is stable and accurate, and it is nearly not sensitive to the high -, low-frequency component of the incidence wave.

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