Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.

其中直接序列扩频通信是目前使用最典型的扩频工作方式。

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There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.

主要有两种选择，直接序列扩频和跳频扩频。

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Spreading sequences design is one of the key task in the direct-sequence spread spectrum communication systems.

扩频序列设计是直接序列扩频通信系统的关键课题之一。

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Main.net uses a related technology called direct sequence spread spectrum, or DSSS, to send its signals down the power line.

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