Invariant features extraction of typical targets is a key issue in the field of targets recognition.
典型目标的稳定特征提取是目标识别领域一个非常有意义的研究内容。
参考来源 - 典型目标稳定特征提取·2,447,543篇论文数据，部分数据来源于NoteExpress
它能预示强对流天气层结的不稳定特征和高能量。
Warning index pattern show convective instability characteristic and high energy.
体质健康状况处于较高的水平的贫困男大学生在人格特征上具有外向倾向及情绪稳定特征。
Second, poor male students that have a higher level of physical fitness possess outward trend and stable emotions on personality characteristics.
在有限元分析方法基础上，基于稳定特征方程对随机参数压电桁架结构进行稳定可靠性分析。
The problem of achieving stable reliability analysis of piezoelectric trusses with random parameters was studied on the basis of the finite element analysis method and stable secular equation.
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