Aiming at the acquisition problem of direct sequence spread-spectrum (DSSS) signals with large Doppler offset, a new method based on fast Fourier transform (FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题，提出一种基于快速傅里叶变换(FFT)的多普勒和伪码分别并行搜索的捕获新方法。
In order to solve the problem of direct sequence spread spectrum signals check and recognition, a blind estimate algorithm is proposed, it based on cyclic spectrum theory and matrix transform.
为了解决正确检测和识别直扩信号的问题，提出一种基于循环谱理论和矩阵变换法的盲估计算法。
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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