The calculation done by the formula is simple and fast, and the results agree well with these calculated by spectraldomainanalysis.
该公式计算速度快，计算结果与谱域法计算结果吻合较好。
2
Applying the full wave analysis for aperture coupled microstrip antennas, the spectraldomain integral equations are founded and solved numerically by the method of moments.
本文利用全波分析，建立了口径耦合微带天线的谱域积分方程，并用矩量法求其数值解。
3
The power spectral density function of earthquake motion is usually used for the random response analysis of engineering structures in the frequency domain.