The optimum approximation of signals that have small side-lobes bounded by a measure like Kullback-Leibler divergence (無線通信システム)
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概要
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We present the optimum running approximation of band-limited signals using sample values of outputs of FIR analysis filters. We consider set of signals with a main-lobe and a pair of small side-lobes. We assume that weighted square-integral of the main-lobe is bounded. Further, for the purpose of defining divergence of side-lobes of error in attenuation band, we introduce a measure like Kullback-Leibler divergence and assume that this measure is bounded. Finally, we prove that the presented approximation minimizes various measures of error at the same time.
- 社団法人電子情報通信学会の論文
- 2008-07-10
著者
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Kida Yuichi
The School Of Pharmaceutical Sciences Ohu University
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Kida Takuro
Tokyo Insititute Of Technol. Tokyo
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