And another critical problem is how to design the structure reasonable to avoid the frequency preserve and resonance, on the basis of predicting inherent specialty of the hull local vibration exactly.
在准确预报各甲板的局部振动固有特性的基础上,如何合理的设计各部分结构,以错开频率禁区、避免共振发生,又是一个至关重要的问题。
参考来源 - 船体板梁组合结构频率禁区动力优化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The Study on Dynamical Optimizing of Stiffened Plate with Frequency Preserve of Ship and Naval Architecture;
本文基于灵敏度分析探讨了板梁组合结构的动力优化问题。
Mutual authentication mechanisms can be used in Radio Frequency Identification (RFID) systems to preserve the confidentiality of the RFID tags.
无线射频识别(RFID)系统的双向认证机制可以有效地保护标签的机密性。
Si filtering circuits designed this way have better high frequency performance and can preserve low sensitivity properties of passive prototypes.
用该方法设计的SI滤波电路具有较好的高频特性，并能保持无源原型的低灵敏度特点。
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