Study of pre-processing model of coal-mine hoist wire-rope fatigue damage signal

来源 :矿业科学技术学报:英文版 | 被引量 : 0次 | 上传用户:cqyxp
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
In this paper, we propose a pre-processing method for the detection of wire-rope signals. This is necessary because of the lack of processing methods that are currently employed. First, we investigated the one-dimensional discrete morphological and wavele
其他文献
This paper takes No.52 return uphill roadway of Yangquhe coal mine as a research project. Based on the research, especially its geological condition, indoor exp
Coal sludge slurry(CSS) is an alternative fuel and a potential competitive method for sludge reduction.Based on the researches of coal water slurry, we studied
期刊
<正> 湖南益阳地区对外贸易事业发展很快,从1963年以来的20年内,外贸出口额由765万元增加到1亿元,增长13倍,大大高于我区工农业生产增长速度。但是,从全国来看,我区外贸额还十分微小,远远不能适应四化要求。外贸的关键是出口。一个地区的对外贸易要取得较好的经济效益,必须逐步形成合理的
Based on domestic-developed triaxial servo-controlled seepage equipment for thermal-hydrological-mechanical coupling of coal containing methane, an experimental
期刊
<正> 中国与南斯拉夫经济贸易关系近年来发展很快。铁托总统1977年访问中国以后,两国之间成立了副总理级的经济混合委员会。1980年11月南斯拉夫总理久拉诺维奇同志访问中国,1983年胡耀邦总书记访问南斯拉夫,1984年5月南共联盟主席团主席马尔科维奇同志访问中
Comparing with the resin bolt, the hydraulic expansion bolt has different anchoring mechanism and application advantage. According to the working mechanism of t
期刊
Pre-existing discontinuities change the mechanical properties of rock masses,and further influence failure behavior around an underground opening.In present stu
<正> 目前,在我国的各大、中型外贸企业内都设有“外文收发”。但是,人们在谈论外贸业务时,几乎无人提及,仅仅把外文收发看做一般行政工作,甚至觉得微不足道。在对外贸易中,外文收发的地位究竟如何?是否值得重视?怎样做好这项工作,以促进对外贸易的发展?在此稍加探讨。
Chuxiong Basin in Yunnan is a typical Mesozoic foreland basin which is enriched in widely distributed Triassic coal resources with thick deposits and of importa
期刊
In order to determine the rational width of backfill in the goaf-side retained roadway, the deformation failure mechanism of surrounding rock in retained roadwa
期刊