The connection weights between hidden layer and output layer are got by Least Mean Square Algorithm.
径向基函数神经网络的隐含层到输出层的线性连接权值,则是由最小二乘法来计算得到的。
By using the methods of least square and minimum entropy deconvolution to process the well-log, the effect of well and wall rocks can be removed, so that the thickness of each layer can be determined.
本文通过最小平方反滤波和最小熵反滤波两种方法对测井曲线进行处理,就可以消除井与围岩的影响,实现准确分层定厚的目的。
Double layer flat diagonal square pyramid grids has the advantages of being simple in formation, rational in member stressing and fairly economic of steel cost among square pyramid grids system.
双层平板型斜放四角锥网架节点构造简单,受力合理,用钢量是四角锥体系网架中最小的一种形式,也是国内工程中应用较多的一种。
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