对于若干指定点，给出了压应力的时域过程并进行了频谱分析。
Consequently, the time domain process of pressure at the given points and the analysis of their spectrum are completed.
利用FDTD法和PML技术计算分析了平面分界面对脉冲波的反射和折射，充分而形象地描绘平面界面对脉冲波反射的时域过程。
The reflection and the refraction of the pulse electromagnetic waves at a dielectric interface were calculated and analyzed based on the FDTD method and PML technique.
不先观察时域响应就随意使用指数窗作为测量过程的第一个步骤是不推荐的。
The arbitrary use of the exponential window without first looking at the time response is not recommended as the first step in the measurement process.
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