... 非平稳；非恒定 Nonstationarity 非平稳过程 Nonstationary process 非平稳时间序列 Nonstationary time series ...
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两位获奖者抓住了经济时间序列的两个核心性质:时变性(time-varyingvolatility)和非平稳性(nonstationarity),因此早在数年前就被学术界归入诺贝尔经济学奖的候选人之列。
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... 非平稳；非恒定 Nonstationarity 非平稳过程 Nonstationary process 非平稳时间序列 Nonstationary time series ...
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... beharvior; nonstationarity; u tability; u table; unstability; unstable stability; unstableness; unsteadiness 不稳定性雨 instability rains ..
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Second order nonstationarity 二阶非平稳性
nonstationarity of speech variance 语音变异数之非静态性
nonstationarity of speech spectrum 语言频谱之非稳态性
frequency nonstationarity 合成地震加速度时程
interference nonstationarity 干扰非平稳性
nonstationarity stochastic seismic model 非平稳随机地震动模型
Sea clutter exhibits strong nonstationarity along time and range cells, which interferes gravely target detection, particularly, low-velocity small targets.
海杂波沿距离维的分布表现为较强的非平稳性,严重影响了对海上目标,特别是小目标的检测。
参考来源 - 海杂波背景下小目标物检测For the nonstationarity of the signal in field, eigenvector of fault is computed with newly advanced wavelet analysis, as the preprocessing in diagnosis procedure.
考虑到现场中信号的非平稳性，采用新发展的小波分析工具，提取故障的特征向量，作为诊断过程的预处理。
参考来源 - 柱塞泵泄漏故障智能诊断系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, we consider the nonstationarity of the wind-excitation.
本文考虑了风激励的非平稳性。
Both the friction signal and sudden unbalance signal features nonstationarity.
碰磨信号和突加不平衡信号均具有较强的非平稳性。
Geographically weighted regression(GWR), on the other hand, is a simple, but useful new technique for the analysis of spatial nonstationarity.
GWR是一种简单、有效的技术，可以反映参数在不同空间的空间非稳定性。
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