The magnification change has no influence on boundaryfrequency while the nonlinearity of damping, time constant and pure time delay are its main influencing factors.
放大倍数不改变系统的分界频率，但阻尼大小、时间常数和纯延时等非线性环节是影响分界频率的主要因素。
2
The transmitting boundary in time domain has been applied to frequency domain.
本文将时域透射边界应用于频域。
3
Accuracy of the boundary in frequency do, main is first discussed and demonstrated in terms of one dimensional model of wave motion.