High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.

高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。

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Therefore, study the application of OFDM technology in high mobility environment, and increase its resistance to Doppler effect has important theoretical and practical value.

因此，研究OFDM技术在高速移动环境下的应用，提高其抗多普勒效应的能力，具有重要的理论意义和实用价值。

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They are used with fielded mobile communications systems during high mobility operations.

该套装置可用于高移动作战的战场移动通信系统。

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The story really begins in Iraq several years ago, when insurgents first began using home-made roadside bombs against the High-Mobility Multipurpose Wheeled Vehicle, or Humvee,the main vehicle the troops were using.

VOA: standard.2009.11.02

Dell and Hewlett-Packard (HP), on the other hand, have nearly non-existent positions in high mobility.

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With this smaller design, high-quality images can be enjoyed in a camera with high mobility.

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It is packed with features that high-spec performance, such as high mobility (TX300CA-C4021HS), in every scene.

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