It is shown that the fluctuation of amplitude at the threshold of oscillation is much greater than that when the system is far from the threshold.
所得结果表明此类自振动系统在自激阈附近的振幅涨落比远离阈值时的涨落大很多。
The amplitude of the fluctuation of myocardial ultrasonic integrated backscatter (IB) decreases when myocardial ischemia occurs, which makes IB important for the diagnosis of this disease.
心肌超声背向散射积分(IB)在心动周期中起伏的幅度因心肌缺血而减小，对诊断心肌缺血有重要临床意义。
As the modulation of amplitude is dust particle, the fluctuation and peaks are shown in the power gain spectrum.
当振幅调制为灰尘颗粒时，功率增益谱出现起伏，并且产生尖峰。
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