Passive Two-dimensional Wave Digital Filters used in a Multirate System having Perfect Reconstruction
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概要
- 論文の詳細を見る
This paper is concerned with the design and implementation of a 2-channel, 2-dimensional filter bank using rectangular (analog/digital) and quincunx (digital/digital) sampling. The associated analog low-pass filters are separable where as the digital low-pass filters are non-separable for a minimum sampling density requirement. The digital low-pass filters are Butterworth type filters, N = 9, realized as LWDFs. They, when itterated, approximate a valid scaling function (raised-cosine scaling function). The obtained system can be used to compute a discrete wavelet transform.
- 一般社団法人電子情報通信学会の論文
- 1997-01-25
著者
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Nishihara Akinori
Department Communications And Integrated Systems Tokyo Institute Of Technology
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Gottscheber Achim
Department Of Physical Electronics Tokyo Institute Of Technology
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- Passive Two-dimensional Wave Digital Filters used in a Multirate System having Perfect Reconstruction