Zobrazeno 1 - 10
of 376
pro vyhledávání: '"損失"'
Autor:
王艳, 刘亚东, 皮婵娟, 施君豪
Publikováno v:
大数据, Vol 10, Iss 5, Pp 109-122 (2024)
磁盘作为重要的存储介质，一旦出现故障很可能会导致存储数据丢失，给个人及企业带来难以估量的损失。现有磁盘故障预测模型存在不能很好地平衡磁盘数据样本、未充分利用磁盘数据的
Externí odkaz:
https://doaj.org/article/6002d69272934bb4a47a848c4c6f97da
Publikováno v:
Zhongguo youzhi, Vol 49, Iss 9, Pp 59-65 (2024)
旨在为米糠油的精准适度加工及其在食品工业中的应用提供科学指导，研究了常压和充氮加热（60~260 ℃）处理0~12 h条件下米糠油中谷维素及其4种主要组分〔环木菠萝烯醇阿魏酸酯（CAFA）、2
Externí odkaz:
https://doaj.org/article/6df405d36f43480cbd756ac6a1018d8e
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 26, Pp 22-32 (2024)
为解决刚接柱脚自复位装配式钢框架结构在中震或大震下底层柱可能发生较大的塑性变形的问题，设计一种半刚接柱脚自复位装配式钢框架结构。对其子结构进行拟动力试验，对比框架在Taft
Externí odkaz:
https://doaj.org/article/8854d8161f524545bf870211bdbf3eaa
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 1, Pp 129-137 (2024)
In this paper, an end-to-end deep learning framework for reconstructing 3D models by computing depth maps from multiple views is proposed. An unsupervised 3D reconstruction method based on multi-view propagation is introduced, which addresses the iss
Externí odkaz:
https://doaj.org/article/23f526c9422541d797151b1a2b3c098f
Publikováno v:
Zhongguo youzhi, Vol 49, Iss 5, Pp 30-36,132 (2024)
旨在为大豆油的精准适度加工以保留微量营养成分提供参考，对巴西和美国大豆原油、中和油、脱色油、脱臭油、脱臭馏出物的生育酚含量及其异构体占比进行了分析，探讨和研究生育酚在
Externí odkaz:
https://doaj.org/article/679dd9e6558b48459be2c142dbfacf89
Autor:
宋华杰, 周磊
Publikováno v:
智能科学与技术学报, Vol 5, Iss 4, Pp 535-542 (2023)
YOLOv3算法在目标检测和识别方面具有检测精度高、速度快等优点，但其损失函数中高宽比部分的损失运算对大目标与小目标的区分不明显，导致损失计算结果精度较差，小目标预测框尺寸不
Externí odkaz:
https://doaj.org/article/dc54b6a9cf0643719a64c1ecf7c7fe19
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 1, Pp 230-240 (2023)
Contrapose the highly integrated, complex working conditions and many kinds of faults of aircraft electro hydrostatic actuator(EHA), to diagnose the typical fault of EHA effectively, a fault diagnosis algorithm based on convolutional neural networks
Externí odkaz:
https://doaj.org/article/b38e16d63d84432eac3f9eb01d41aa11
Publikováno v:
Zhongshan Daxue xuebao. Yixue kexue ban, Vol 44, Pp 159-168 (2023)
目的对中国50岁以上中老年人的慢性病共病组合进行分析，研究主要共病组合的患病率、地区分布及其与健康相关结局的关系。方法采用中国健康与养老追踪调查（CHARLS）2018年第四次全国追
Externí odkaz:
https://doaj.org/article/aa8029e986654712a234ea11bb4ba833
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 40, Iss 3, Pp 602-609 (2022)
The measurement accuracy of a single-point L-type total pressure probe in the inlet stage outlet flow path of a vortex engine compressor and the influence of the probe on the flow field were investigated via numerical simulation. The change pattern o
Externí odkaz:
https://doaj.org/article/855572dd47fb4edeb540bac650028b52
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Pp 16-22 (2021)
为了研究基于耗能梁削弱的结构配置方案对配置耗能梁的高强钢框架结构的抗震性能和损伤控制效应的影响,建立并验证了配置耗能梁的高强钢框架结构的"塑性铰-梁单元"数值模型,通过配置
Externí odkaz:
https://doaj.org/article/39d8ed411cef4bed82e3228000e39d34