Abstract
In this paper, a secure single-side-band (SSB) generation using two fractional Hilbert transformers (FHT) is presented. First, the SSB signal generation methods using conventional Hilbert transformer (HT) and one FHT are reviewed. Then, to improve the security, a more secure SSB generation method using two FHTs is proposed. The phase angles of two FHTs can be used as the secure keys for construction and reconstruction. Finally, a numerical example is illustrated to show the effectiveness of the proposed method.
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