Signal compression and enhancement using a new orthogonal-polynomial-based discrete transform.
IET Signal Processing(2018)
摘要
Discrete orthogonal functions are important tools in digital signal processing. These functions received considerable attention in the last few decades. This study proposes a new set of orthogonal functions called discrete Krawtchouk-Tchebichef transform (DKTT). Two traditional orthogonal polynomials, namely, Krawtchouk and Tchebichef, are combined to form DKTT. The theoretical and mathematical fr...
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关键词
speech enhancement,transforms
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