Near Orthogonal Discrete Quaternion Fourier Transform Components Via an Optimal Frequency Rescaling Approach
IET signal processing（2020）
关键词
polynomials,signal processing,discrete Fourier transforms,minimisation,optimal quaternion number,signal components,near orthogonal discrete quaternion Fourier transform components,optimal frequency rescaling,quaternion-valued signals,high-order polynomials,trigonometric functions
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