Results 101 to 110 of about 47,024 (140)

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

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang G, Wang W, Liu H.
europepmc   +1 more source

有效去除图像中脉冲噪声的新型滤波算法

open access: yes, 2003
提出一种基于局部极值噪声检测的迭代中值滤波算法。该算法集中了minmax算法与PSM算法各自的优势,并将两种算法有机地结合起来,经过实验仿真并与其他滤波算法进行比较表明,该算法可以有效地去除图像中的脉冲噪声 ...
李卫军, 王守觉, 曲延锋, 徐健
core  

厂界地形对变电站内声屏障降噪效果影响研究

open access: yesGaoya dianqi
探究不同厂界地形对变电站内声屏障降噪效果的影响,可以为变电站内声屏障的布置提供依据,也可为新建变电站的选址提供参考。以江苏某500 kV变电站为例,使用AWA6228声级计对站内两台变压器以及高抗的噪声声功率进行测量,构建变压器多点等效源模型对变电站噪声分布进行预测,通过对比预测与实测数据验证了所构建模型的准确性。使用该模型探究不同地形条件下声屏障位置和高度对其隔声量的影响,通过研究惠更斯—菲涅尔的波动理论发现上坡地形时声屏障降噪效果最差,且坡度越陡声屏障对噪声的阻隔作用越弱 ...
李慧奇, 王佳辉
doaj  

[Research progress on the acquisition technology of magnetocardiography]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Kang B   +5 more
europepmc   +1 more source

[A method for predicting neurological outcomes after cardiac arrest based on time-frequency domain feature fusion]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang X   +5 more
europepmc   +1 more source

[A Transformer-based model using laboratory indicators efficiently differentiates ovarian cancer]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Tan S   +6 more
europepmc   +1 more source

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