The key of the technique is accuracy of identified fundamental frequency of each stay cable.
频率法的关键是在于准确地识别出索的基频。
The main effect is to raise the fundamental slosh mode frequency.
主要作用是提高基本的晃动频率。
At first the method for calculating the fundamental natural frequency of structure is researched.
首先研究了结构的最低阶固有频率的计算方法。
At first the method for calculating the fundamental natural frequency of structure is researched.
首先研究了结构的最低阶固有频率的计算方法。
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