Analysis results show that the describing function analysis for the non-linear machine tool chatter is feasible and effective.

结果表明，描述函数方法是分析机床颤振这个极其复杂的非线性系统的一个有效的手段。

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Using the describing function method, this paper gives emphasis to analyse the conditional feedback correction effect on restrain self-sustaining oscillation.

本文利用描述函数法，重点分析了条件反馈校正对自持振荡的抑制作用。

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Model deducing of the temperature system, research and analysis of PID arithmetic based on the model are given. Furthermore, I deduce the describing function of a series of non-linear integrator.

对温箱系统进行模型推导，并参照温箱模型通过仿真及理论分析对PID控制算法进行研究，且推导了一类非线性积分控制器的描述函数。

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In contrast, if we're taking the wave function and describing it in terms of n, l, m sub l, and now also, the spin, what are we describing here?

相反，如果我们考虑一个波函数,然后用ｎ，ｌ，ｍ小标ｌ,还有自旋，我们描述的是什么？

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