Secondly, according to the change of damage structural frequency and modal, the fixity factor is identified by RBF neural network, then FEM correction of truss is finished.

其次，根据损伤后的结构频率与模态的变化，应用径向基神经网络，进行结构节点固结系数的识别，从而实现对网架结构有限元模型的修正。

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As a key factor in solving all physical damage, the forward error correction technology which can protect system reliability and increase the transmission distance is becoming the hotspot.

前向纠错技术作为解决一切物理损伤、保障系统可靠性、提高传输距离的关键因素成为目前的研究热点。

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