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論文名稱
An Efficient Method to Process the Quantized Acoustoelectric Current: Wavelet Transform
發(fā)表刊物
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
發(fā)表年度
2011
論文作者
袁 輝、高 潔、郭華中等
承擔(dān)單位
電子所
收錄情況
關(guān)鍵詞
摘要
We?present?a?wavelet-based?approach?to?process?experimental?data?of?the?quantized?acoustoelectric?(AE)?current,?which?offers?the?possibility?of?a?quantum?standard?of?current.?To?obtain?the?optimal?denoising?performance?at?the?acoustoelectric?current?plateau,?a?new?method?is?proposed?to?choose?wavelet?parameters,?such?as?wavelet?functions,?levels?of?decomposition,?and?thresholding?techniques.?This?method?ensures?that?AE?current?features?are?completely?preserved,?whereas?noise?is?removed?as?effectively?as?possible.?The?denoised?results?indicate?that?the?accuracy?of?the?AE?current?can?effectively?be?improved?by?employing?the?proposed?scheme.
