discrete spectrum

基本解释

Some oscillatory criteria and discrete spectrum criteria are given, and we can apply them to the ordinary differential equations.
文中得到几个振动性准则和离散谱准则，并将这些结果应用到常微分方程。
A new method is put forward for automatically identifying and modifying the parameters of the two close frequency components in discrete spectrum based on ICM.
在理论概括比值法原理的基础上，提出一种新的自动识别和修正离散频谱中两邻近谱峰参数的方法。
Based on Wavelet Packet Decomposition (WPD), Entropy Threshold Method (ETM) has been put forward to reject the Discrete Spectrum Interference (DSI) in on-line PD monitoring.
首次提出用于抑制局部放电在线监测中周期性窄带干扰的小波包变换熵阈值法（ETM）。