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The paper proposes an application of the median form ambiguity function in direct sequence spread spectrum modulated signals denoising. The observed signals are multicomponent and consisted of short duration sinusoidal components, appearing on different frequencies. The analysis of such multicomponent signals in the time-frequency plane could be disturbed by the unwanted cross-terms. It is shown that...
The method for the reconstruction of Frequency Hopping Spread Spectrum (FHSS) signals is described in the paper. FHSS is a modulation technique employed in spread spectrum communications. Reconstruction procedure is based on the compressive sampling principle, which allows signal reconstruction using a significantly smaller number of samples than required by the Nyquist-Shannon sampling theorem. The...
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