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In this paper, a wavelet method was used to deal with the density deconvolution problems under Fourier-oscillating situation. Wavelet estimators of the density function were constructed and upper bound over Besov space Brqs(L) was provided. Result shows that the estimator is adaptive and extends the theorems of paper [4,6]. © 2016, Editorial Department of Journal of Beijing University of Technology. All right reserved.
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