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。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
Fast Direct spread spectrum signal acquisition using block processing technique has been only used in software receivers because of the huge computation.
块处理方法实现扩频信号的捕获因其运算量巨大到目前为止多用于软件接收机中。
In a lot of antijamming techniques for direct spread spectrum system (DSSS), the DSSS signal is approximately considered as a stationary process.
众多的扩频通信抗干扰技术往往把有用扩频信号近似看作平稳随机过程。
This paper discusses the despread of low signal to noise ratio of the direct sequence (DS) spread spectrum signals using intermediate-frequency recirculation summation loop (IFRSL).
本文讨论了用中频积累法实现低信噪比直接序列扩频信号的解扩。
This paper discusses the despread of low signal to noise ratio of the direct sequence (DS) spread spectrum signals using intermediate-frequency recirculation summation loop (IFRSL).
本文讨论了用中频积累法实现低信噪比直接序列扩频信号的解扩。
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