The timedomain integral equation (TDIE) method is one of the important methods in electromagnetic numerical simulations for several advantages over conventional method in frequency domain.
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。
2
Based on observed signals analysis and comparison in time - domain and frequency -domain, the method of distinguishing interfere signals and abnormal electromagnetic radiation signals is given.
基于对观测信号的时域、频域分析的比较，给出了干扰信号与异常电磁辐射信号的判别方法。
3
About theoretic calculation for lightning electromagnetic field, two analytical methods are raised, which are dipole method in timedomain and time-varying field method in frequency domain.