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模態參數識別的等精度擬合法

The Equi-Precision Fitting Algorithm of Modal Parameter Identification

  • 摘要: 提出了密集模態的擬合精度矩陣概念及相應的等精度擬合方法.在保證一定擬合精度的前提下.盡可能少的考慮頻帶外模態的影響,消除了無謂的計算工作量,并且把擬合結果與實際誤差分析緊密的結合在一起。該法適用于大型模態試驗的結果分析。

     

    Abstract: The equi-precision fitting algorithm of dense modal parameter identification is presented, which defines the relationships between fitting precision and critical errors, and combines the precision of identification with the quantity of calculation directly. The examples of computation show that the results of the identification are satisfied.

     

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