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        SFG realization of wavelet filter using switched-current circuits

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        903956.pdf (PDF, 2Mb)
        Author
        Zhao, W.
        He, Y.
        Sun, Y.
        Attention
        2299/4451
        Abstract
        A signal flow graph method for analogue implementation of wavelet transform using switched-current circuits is proposed in which the wavelet transform is synthesized by a bank of switched-current bandpass filters whose impulse responses are the mother wavelet and its dilations. To facilitate the implementation of arbitrary wavelet function, the proposed approach employs the signal flow graph methodology to design the wavelet filter. The first derivative of Gaussian wavelet is used as an example in this paper to illustrate design details. Simulation results show the feasibility of the proposed method.
        Publication date
        2009
        Published in
        Procs 8th IEEE Int Conf on ASIC, ASICON
        Published version
        https://doi.org/10.1109/ASICON.2009.5351613
        Other links
        http://hdl.handle.net/2299/4451
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