It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.

主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。

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By exploring the phase information among symbols of the Direct Sequence Spread Spectrum (DS-SS) signal, a novel de-noising approach, used in low signal noise ratio environment, is presented.

利用DS -SS信号符号间相位信息，提出了一种可工作于低信噪比下的直接序列扩谱(DS - SS)信号噪声抑制方法。

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Direct sequence spread spectrum (DS SS) technique has been widely used in military communications systems.

在军事通信中，直扩技术由于其诸多优点而获得了广泛的应用。

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This paper proposes a method for narrowband interference suppression in Direct Sequence Spread System (DS-SS).

该文提出一种基于门限估计的直接序列扩频(DS - SS)通信系统窄带干扰变换域抑制方法。

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In this dissertation, the author mostly research on Direct Sequence Spread Spectrum (DS-SS), the most ordinary one within Spread Spectrum technologies.

扩频通信技术中，最常见的是直接序列扩频通信(DS - SS)系统，本论文所研究的就是这一类通信系统。

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In this paper, a blind despreading algorithm is proposed for the synchronous multi-user long-code Direct Sequence spread Spectrum (DS-SS) signals in low signal to Noise Ratio (SNR) scenarios.

针对同步多用户长码直扩信号，该文提出了一种低信噪比条件下的盲解扩算法。

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In this paper, a blind despreading algorithm is proposed for the synchronous multi-user long-code Direct Sequence spread Spectrum (DS-SS) signals in low signal to Noise Ratio (SNR) scenarios.

针对同步多用户长码直扩信号，该文提出了一种低信噪比条件下的盲解扩算法。

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