For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.
为了便于时域卷积，对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。
Convolution is a key technique in signal and system analysis, which plays an important role in LTI time and frequency domain analysis.
卷积技术是信号与系统分析的核心技术。它在LTI时域和频域系统分析中起着重要作用。
To reduce the large amount of computation in the time domain analysis of SSI problem, an effective algorithm of calculating the convolution integrals was presented.
土—结相互作用的时域分析计算量很大，为减小计算量，提出了计算褶积分的有效方法。
The tested signal on pile head is the convolution of the vibration resource and frequency response function of itself in domain of time.
实测桩顶响应信号是振源与系统频响函数的时域卷积。
The self-excited loads acted on the bridge deck are expressed inthe time domain in the terms of convolution integrals with impulse-response-func ions type kernels.
基于脉冲响应函数的卷积积分，将作用在桥梁主梁上的自激力表达为时域形式。
Secondly, a SLM method based on the DFT property of the time domain circular convolution is studied.
然后重点分析了基于DFT的时域循环卷积性质的选择映射（SLM）方法，提出了一种基于SLM的改进方法。
Secondly, a SLM method based on the DFT property of the time domain circular convolution is studied.
然后重点分析了基于DFT的时域循环卷积性质的选择映射（SLM）方法，提出了一种基于SLM的改进方法。
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