Description: Direct Sequence Spread Spectrum Matlab program direct sequence spread spectrum communication can effectively resist from narrowband interference channel. In a DSSS communication system, the spread spectrum is modulated by a pseudo-noise (PN) sequence on the information data transmitted to achieve. The receiving end, the correlation calculation of the original pseudo-noise sequence and the received signal may be narrowband interference extended to the entire frequency band of the DS signal, the interference is equivalent to the relatively flat lower spectral amplitude noise same time, the DS signal despreading, restore original information data
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