Moreover noise may disturb image in transmission, so information hiding algorithm must have better noise proof.

另外，图像在处理及传输的过程中会受到噪声的干扰，所以信息隐藏算法要有较好的抗噪声性能。

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But how to ensure the rapid response speed and the good noise-proof-feature is the issue we faced, this required some essential analysis of the servo capability.

但是，如何保证此机床的快速响应，且使其具有良好的抗干扰性，这需要对它的伺服性能进行必要的分析。

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