使用四元数的第二个理由，就是其可实现两个状态间的平滑插值。
The second argument that is commonly given for the use of quaternions is the possibility of smoothly interpolating between two orientations.
利用码间串扰量的度量准则，对不同的成形滤波函数研究了插值滤波器的参数优化估计及其抗时钟抖动性能。
By using the measure criterion of intersymbol interference, the parameter optimization and robustness of timing jitter of interpolation filter for a few kinds of shaping functions has been studied.
首先，通过在复合材料层片间引入障碍插层的方法进行复合材料振动阻尼性改进的尝试。
An attempt to improve the vibration damping of this material was first performed by introducing compliant interlayers between composite plies.
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