The advanced instrumented impact test equipment and the method for treating test data with the hyperbolic tangent function ensure the accuracy of results.
采用了仪表化冲击试验设备和双曲正切函数回归计算的数据处理方法，因而确保了实验结果的准确性。
A theoretical model for predicting ground displacement and deformation due to mining of phosphate body in Wenjiaping by using hyperbolic tangent function was given in this paper.
针对文家坪磷矿地下开采岩体移动变形问题，给出了用于预测分析地下开采引起地表移动变形的双曲正切函数模型。
Then, a robust compensation term is developed in form of hyperbolic tangent function to obtain a smooth control input without chattering phenomena.
之后，设计了双曲正切函数的鲁棒补偿项，从而得到一种没有抖振的平滑控制输入。
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