4-Tap Wavelet Filters Using Algebraic Integers

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Provided by: International Journal of Engineering Trends and Technology
Topic: Hardware
Format: PDF
The field of Discrete Wavelet Transforms (DWTs) has been attracting substantial interest in part due to the wavelet analysis being capable of decomposing a signal into a particular set of basic functions equipped with good spectral properties. Wavelet analysis has been used to detect system nonlinearities by making use of its localization feature. DWT based multi-resolution analysis leads to both time and frequency localization. Moreover, the proposed architecture is sought to be multiplier free. Such design facilitate accuracy, speed, and relatively smaller area on chip as well as cost of design.
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