Results 111 to 120 of about 8,988 (150)

[Snoring noise removal method for bowel sound signal during sleep]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang G, Wang W, Liu H.
europepmc   +1 more source

污秽绝缘子可听噪声和电晕关系试验研究

Dianci bileiqi
污秽绝缘子在不同的污秽等级、湿度环境下发生电晕现象的同时会产生可听噪声。本研究试验测试了绝缘子可听噪声和污秽等级以及电晕电流之间的关系，获得了不同污秽等级、湿度条件下绝缘子电晕放电产生可听噪声和脉冲电流的时域波形，从可听噪声频谱产生角度，分析了电晕电流和可听噪声的关联规律，利用统计方法分析了电晕电流1/3倍频谱不同频点处幅值与可听噪声A声级的关联关系，分析测量并获取可听噪声频谱特征与电晕电流的关系趋势。结果发现了随着污秽等级和湿度的增加，污秽绝缘子可听噪声和电晕电流成增大趋势，并且二者之间存在线性关系 ...
张赢, 张国彦, 栾景春, 刘卫明, 计国庆   +4 more
doaj  

[Research on dynamic blood oxygen saturation measurement based on motion noise reconstruction combined with convex combination least mean square adaptive filter]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang L, Yu X, Lin J, Chou C, Wang Z.
europepmc   +1 more source

一种变压器噪声控制用吸隔声装置开发

Gaoya dianqi
针对声源设备本体的噪声控制技术近年来获得重点研究，尤其是在电网领域，由于变压器低频噪声影响，许多变电站面临厂界噪声超标风险。文中研发了一种变压器本体降噪用吸隔声装置，首先基于阻抗复合原理，通过微穿孔板、硅酸铝纤维毡的复合，设计了带有中间腔的吸声构件；随后通过橡塑共混工艺，加工了室温下具有阻尼峰值的橡胶，制备了约束阻尼隔声构件；最后，将吸隔声构件复合，定型了变压器用吸声装置，并进行应用测试。结果表明，110 kV50 MVA变压器安装该装置后，噪声声压级由65 dB（A）下降至56 dB（A）。
党乐, 田一, 崔亚茹, 史昌明, 聂京凯, 佟敏   +5 more
doaj  

[A motor imagery decoding study integrating differential attention with a multi-scale adaptive temporal convolutional network]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Dong Z, Bao X, Yang Y, Wu J.
europepmc   +1 more source

[Diffusion cycle-consistent generative adversarial networks for pelvic active bone marrow segmentation]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhuo L, Zeng M, Tan S, Liang T, Xiao W, Zhen X.   +5 more
europepmc   +1 more source

[Research progress on quantitative magnetic susceptibility imaging reconstruction method based on improved U-network model]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yang W, Zhang R, Keung S.
europepmc   +1 more source

[Research progress on deep learning-based computer-aided diagnosis of thyroid nodules using ultrasound imaging]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhou X, Qiu M, Shang J, Wei G.
europepmc   +1 more source

[Full-size diffusion model for adaptive feature medical image fusion]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Di J, Shi S, Wang H, Liang C, Zhu Y.
europepmc   +1 more source

[Feature distillation multiple instance learning method based on sequence reorganized Mamba]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zeng J, Luo W, Zhao J, Huang G, Zhao J, Mai Z, Yan W, Xiao Y, Qin C.   +8 more
europepmc   +1 more source