同时讨论了异向媒质电磁参数与理想完美透镜条件的偏差对异向介质对倏逝波恢复作用的影响。
The effect on this restoration caused by the deviation of the electromagnetic coefficients from the "perfect lens" conditions was discussed.
根据PID控制器各控制参数与偏差之间的非线性映射关系，设计非线性PID控制器。
According to the non-linear mapping relations between PID controller each control variable and error, design non-linear PID controller.
作者基于分析和建立加工曲面的型面几何偏差与加工刀位规划参数的关系，提出几何误差的控制方法。
This paper presents the methods to control geometrical errors based on the establishing of the link between geometrical errors and the parameters of tool path planning.
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