With the rate limiting element in man machine closed loop system, we analyse the PIO using the method of describing function.

然后将速率限制环节置于人机闭环系统中，利用描述函数法对驾驶员诱发振荡（ PIO）机理进行了研究。

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The summary has a analysis about the main factor about the influence on grinding machine grinding working rate, and have a summarize about the improvement method as well as the achievement.

分析了影响修磨机作业率的主要因素，提升了提高修磨机作业率、改善设备持续的具体措施，总结了修磨机作业提高率、改善设备持续措施的实施效果。

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It is the important method to realize the higher precision prediction and improve the utilizing rate. A support vector machine model is proposed to predict the VBR video traffic.

实现该信号通信量的高精度预测是提高信息传输速度和提高网络带宽资源利用效率的重要手段，本文提出采用支持向量机网络模型对VBR视频通信量进行预测。

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