نتایج جستجو برای: spread spectrum method
تعداد نتایج: 1911324 فیلتر نتایج به سال:
This paper presents a method of embedding information in digital images and video, which helps to trace illegal copies. This method of watermarking uses the principle of direct sequence spread spectrum. Spread spectrum signals are particularly resistant to non-linear amplitude distortion and additive noise, but are not resistant to timing errors. Using a sliding correlator, it is possible to de...
Method for applying spread-spectrum techniques to optical communication is presented. The interference suppression capability of spread-spectrum systems is shown to be enhanced by optical transform domain processing.Effects of jammer in DSSS communication system are demonstrated in thispaper.Several possible implementations of this system are suggested, and applications to fiber optics, laser r...
Implementation of the asynchronous signals reception method with the direct sequence spread spectrum
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