SFG realization of wavelet filter using switched-current circuits

W. Zhao, Y. He, Y. Sun

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)
    66 Downloads (Pure)

    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.
    Original languageEnglish
    Pages (from-to)37-40
    JournalProcs 8th IEEE Int Conf on ASIC, ASICON
    Volume2009
    DOIs
    Publication statusPublished - 2009

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