time-frequency domain analysis的意思|示意

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。

The results provide precise measurements of the dynamics characteristics of the space deployable structure in the time-frequency domain, which are helpful for improving the system analysis and design.

实现了对航天可展结构动力学性能在时频域内的“精细”考察，将有助于提高航天器结构的分析与设计水平。

A method, based on analysis of time domain and frequency domain, applied in dynamic balance of hydro-generator rotor is presented.

提出了一种基于时域分析和频域分析的动平衡方法，应用于水轮发电机转子的动平衡。

The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.

管道中非稳定流动的分析方法主要有频域法和时域法。

The results we obtained on normal PCG signal show that the STFT analysis with different scale basis provides a clear comprehension of the cardiac events in both time and frequency domain.

实验结果表明，不同时频尺度的STFT分析可以很好地描述正常心音信号的时域和频域特征。

Then the time domain analysis methods and frequency domain analysis methods which are frequently used for fault diagnosis have been discussed.

其次论述了常用的故障诊断方法，即时域分析方法和频域分析方法。