将小波理论应用到重频分选中，提出了一种新的检测门限，适用于脉冲列分布不均匀的信号环境。
A new algorithm for selecting detecting threshold based on the wavelet theory is presented to the environment when pulse sequences distribute unevenly in the whole sampling time.
结果表明大气中被激发出的长波扰动最初主要是从基本状态的层结不均匀性中得到能量，然后可从波的相互作用中获取能量。
The results show that the excited long wave disturbance could first obtain energy from the stratified heterogeneity of basic state, then from the interactions among non-linear waves.
本文主要研究电磁波在不均匀等离子体鞘套中传播的一些近似计算方法。
In this paper, several methods of solving the problem of electromagnetic wave propagation in a inhomogeneous plasma sheath is investigated.
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