采用低频振荡振幅(amplitude of low frequency fluctuation,ALFF)算法分别对14例正常人的计算和无任务静息状态的功能磁共振数据进行处理,并做对比分析。
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三波共振相互作用低频振荡周期与初始扰动振幅有很强的相关关系;
The low-frequency fluctuation periods and the initial amplitudes have close relationship in the resonance interaction.
对于相同的初始扰动振幅,随着波数的增加,低频振荡周期缩短,三波逐渐变得不稳定,三波之间较强的相互作用时间缩短。
For the same initial amplitudes, the periods are becoming short, the three waves are gradually becoming instability, and the time of strong interaction is shorting with increasing of wave Numbers.
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