小波
降噪
小波变换
算法
噪音（视频）
计算机科学
反褶积
连续小波变换
离散小波变换
作者
Xianyang Qian,Zinan Wang,Wei Sun,Bin Zhang,Qiheng He,Li Zhang,Han Wu,Yunjiang Rao
标识
DOI：10.1364/apos.2016.w4a.24
摘要
Multi-threshold 2D discrete wavelet based on BayesShrink method is utilized to enhance the SNR of BOTDA. Then a 154.42 BOTDA is experimentally demonstrated with 40ns pump pulses, and the measurement uncertainty is reduced from ±1.52MHz down to ±1.03MHz.
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