It has been shown that many biomedical signal problems may benefit from time frequency analysis.
实际研究表明，时频分析方法能够解决很多生物医学信号问题。
The concept of time - frequency power spectrum is introduced.
引出了时—频功率谱的概念。
A method of signal time-frequency representation with phase factor is introduced.
描述了一种带相位因子的时频分析方法。
Now we have a true time-frequency representation of the signal.
现在我们有了信号的一个时频表示。
Time-frequency system is employed for the channel.
通道采用时间-频率划分。
The time-frequency plane of a standard OFDM system is a rectangular grid.
标准OFDM系统设计的时-频面为矩形网格。
The time-frequency plane of a standard OFDM system is a rectangular grid.
标准OFDM系统设计的时-频面为矩形网格。
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