Zobrazeno 1 - 10
of 1 373
pro vyhledávání: '"Zhang Xueliang"'
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 2, Pp 141-148 (2023)
The current research achievements in the construction of intelligent fully mechanized caving face lack systematic implementation case for a specific fully mechanized caving face. In order to solve this problem, The 81309 intelligent fully mechanized
Externí odkaz:
https://doaj.org/article/6db11a5641594073b21785eb06299521
Publikováno v:
Jixie qiangdu, Pp 430-437 (2023)
Based on the three-dimensional fractal theory, a fractal model of normal contact stiffness and contact damping of joint surfaces considering simultaneously the influence of the friction and the asperity interaction was established. Through the simula
Externí odkaz:
https://doaj.org/article/67e56d7cac2149e599d70bf302959470
Publikováno v:
Jixie qiangdu, Pp 662-667 (2023)
A statistical model of static friction factor of joint surfaces was deduced, which was more in line with the actual situation and takes into account the interaction of asperities and the deformation of the substrate. Based on the contact load model o
Externí odkaz:
https://doaj.org/article/01faf4c84b47410d8c25c0b1f3182f3a
Publikováno v:
Guan'gai paishui xuebao, Vol 41, Iss 12, Pp 1-9 (2022)
【Objective】 Over-extraction of groundwater over the past decades has resulted in shallow groundwater table dropping at an alarming rate in most regions in Hebei province. Reducing groundwater extraction for wheat winter irrigation has been propos
Externí odkaz:
https://doaj.org/article/dfeeea2e1fd14b76b5711199904e202d
Publikováno v:
Guan'gai paishui xuebao, Vol 40, Iss 12, Pp 7-17 (2021)
【Objective】 Limited irrigation is a strategy introduced in northern China to alleviate groundwater depletion by marginally scarifying winter wheat yield. The purpose of this paper is to analyze the variation in winter wheat yield and its associat
Externí odkaz:
https://doaj.org/article/446feef19c834c5fa5ff328474317226
Autor:
ZHANG Xueliang, DING Beibei
Publikováno v:
Guan'gai paishui xuebao, Vol 40, Iss 9, Pp 1-10 (2021)
【Objective】 Groundwater-irrigated winter wheat in the piedmont plain of Mountain Taihang in Hebei province faces a conflict between dwindled water resources and increased demand of the wheat for water. Reducing irrigation frequency of the winter
Externí odkaz:
https://doaj.org/article/cbf66c7a0fb0432193554b1d1e902c22
Minimum Variance Distortionless Response (MVDR) is a classical adaptive beamformer that theoretically ensures the distortionless transmission of signals in the target direction, which makes it popular in real applications. Its noise reduction perform
Externí odkaz:
http://arxiv.org/abs/2409.06456
Music source separation (MSS) aims to separate mixed music into its distinct tracks, such as vocals, bass, drums, and more. MSS is considered to be a challenging audio separation task due to the complexity of music signals. Although the RNN and Trans
Externí odkaz:
http://arxiv.org/abs/2409.06245
Recent advancements in neural audio codec (NAC) unlock new potential in audio signal processing. Studies have increasingly explored leveraging the latent features of NAC for various speech signal processing tasks. This paper introduces the first appr
Externí odkaz:
http://arxiv.org/abs/2409.05784
Publikováno v:
Jixie qiangdu, Vol 43, Pp 357-365 (2021)
Based on fractal theory,continuous smooth exponential model of elastic-plastic contact,and considering the influence of friction factors and applying an improved W-M function that simulating three-dimensional fractal profile surface,the fractal model
Externí odkaz:
https://doaj.org/article/47f9f6e098df4c7482d3170080826603