| 释义 |
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电子、通信与自动控制技术 非平稳性 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。
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计算机科学技术 非平稳性 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。
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