| 摘要 |
<p>Embodiments of the present invention provide a signal processing method and device in a spread spectrum (SS) system. The method comprises: performing sampling and time-frequency transformation on a received first time domain signal, to obtain a corresponding first frequency domain signal; using the first frequency domain signal to perform a modulus operation on a preset threshold, to obtain a second frequency domain signal; and performing frequency-time transformation on the second frequency domain signal to obtain a corresponding second time domain signal, and performing de-spread processing on the second time domain signal. In the embodiments of the present invention, the first frequency domain signal obtained by sampling and time-frequency transformation is used to perform the modulus operation on the preset threshold to obtain the second frequency domain signal, so as to avoid the problem of filtering out an SS signal being a useful signal while filtering out an NBI signal when frequency domain signals of a certain number of frequency points are set to zero in the prior art, thereby improving the reliability of signal reception.</p> |
