Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.

文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。

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In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.

在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。

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Chaotic direct sequence spread spectrum (CD3S) signal is more nonlinear and more complex than the conventional direct sequence spread spectrum signal.

与传统直扩序列相比，混沌扩频序列具有非线性复杂度较高的优点，该优点同时也是盲估计混沌扩频序列的难点。

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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.

FORBES: Technology