The speech communication process as a whole includes seven elements-speaker, message, channel, listener, feedback, interference, and situation.

语言交流的过程，整体而言包括七个要素：演说者、信息、沟通途径、听众、反馈、外界干扰、和现场形态。

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In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.

在多径多址干扰DS CD MA环境中，本文根据空时信号模型，用扩展的盲方法估计用户信道，从而进行盲mmse检测。

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The channel of fixed interface on node is assigned according to link weight, in order to decrease network interference in the process of channel switching.

根据链路权重为节点固定接口分配信道，减小可切换接口在信道改变过程中引起的网络干扰。

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