在详细分析一种典型的闭环衰减曲线法的基础上，提出将摄动法用于系统特性发生变化时的参数确定中。
On the basis of analyzing a typical closed-loop damping curve method, this paper proposes a perturbation method used to determine the parameters of a system when its behavior changes continuously.
试验表明，页岩在较低应力水平下，轴向及侧向蠕变曲线呈现出衰减阶段的流变特性。
Experimental research reveals that the axial and lateral creep curves of shale specimens behave the attenuation creep stage under relatively low stress state.
在详细分析一种典型的闭环衰减曲线法的基础上，提出将摄动法用于系统特性发生变化时的参数确定中。
One problem is that when a control system changes continuously, how to determine its dynamic parameters with a si...
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