...兵器电子领域权威资讯传媒 关键词：直扩信号；相关检测；伪码周期 [gap=944]Key words:Direct sequence spread spectrum signal(DS/SS)； Correlation checkout (detection)； Pseudorandom code period ..
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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。
Due to its low power spectral density, the direct sequence spread spectrum signal is always submerged with the back-ground noise, so that it is difficult to reconnoiter the signal.
直接序列扩频信号具有较低的功率谱密度，信号淹没在背景噪声中，侦查难度较大。
Due to its low power spectral density, the Direct Sequence Spread Spectrum signal (DSSS) is always submerged with the back-ground noise, so that it is difficult to reconnoiter the signal.
直接序列扩频信号具有较低的功率谱密度，信号淹没在背景噪声中，侦查难度较大。
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