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Test chirp signal generation using spectral warping

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4 Author(s)
Allen, W. ; Inst. of Inf. Sci. & Technol., Massey Univ., Palmerston North, New Zealand ; Bailey, D. ; Demidenko, S. ; Piuri, V.

A DSP technique that transforms a digital signal by warping the frequency axis is discussed. The technique corresponds to a mapping of the samples in the z-domain such that they are unevenly spaced around the unit circle. A spectral warping network has the property that a time-shifted impulse function is transformed into a chirp function. This can have useful applications in the analysis of the device-under-test frequency response in electronic testing of analogue and mixed-signal circuits/systems

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Electronic Design, Test and Applications, 2002. Proceedings. The First IEEE International Workshop on

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