Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.
最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。
The feature that structures have the selectivity to the earthquake motions frequency and structure response has the close corresponding relation with instantaneous energy spectrum is pointed out.
指出了结构对地震动的频率具有选择性，结构的响应与瞬时能量谱之间具有密切的对应关系。
The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.
本文研究了非平稳随机振动信号的瞬时功率谱。
Meanwhile, instantaneous information on conventional stack power can be involved in measuring function simultaneously as calculation of velocity spectrum can be conducted sample by sample.
同时，由于速度谱的计算可以逐个样点进行，因此，度量函数中可同时包含常规叠加能量的瞬时信息。
The six channel instantaneous optical pyrometer is used to measure the thermal radiation of the light source at six bands from visible to near infrared spectrum.
六通道瞬态光学高温计是在可见光和近红外光谱范围内，把光源的热辐射取出六个波段进行测量。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
Practice shows that this system has a high measuring distinguishability, and is especially suit for instantaneous process spectrum analyses.
应用表明：系统有较高的测量精度，特别适用于瞬态过程的光谱分析。
The relation between instantaneous acceleration power spectrum and instantaneous displacement power spectrum is presented.
建立了非平稳随机响应瞬时加速度功率谱与瞬时位移功率谱之间的关系；
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数，应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数，应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
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