检索结果-南通市图书馆

The deformation pattern and fault rate in the Tianshan Mountains inferred from GPS observations

science china Earth sciences 2008年第8期51卷 1064-1080页

作者： yang shaomin1,2. li jie1,{2., china university of geosciences, wuhan 4.0074. china 2.Institute of Seismology, china Earthquake Administration, wuhan 430071, china 3 Earthquake Administration of Xinjiang Uygur Autonomous Region, Urumqi 830011, china 1. research center of {2. science and technology China University of Geosciences Wuhan 430074 China 2. Institute of Seismology China Earthquake Administration Wuhan 430071 China 3. Earthquake Administration of Xinjiang Uygur Autonomous Region Urumqi 830011 China

Based on GPS measurements conducted from 1992.to 2.06, we present the current crustal movement velocity field for approximately 400 sites in the Tianshan Mountains and their adjacent areas, and estimate slip rates on the major faults using a 2.D elastic dislocation model. Our studies show slip rates within the range of 1―4 mm/a on the NW-SE trending strike-slip faults (such as Talas-Fergana fault) in the Tianshan Mountains. We also found the slip rates on the approximately WE-SN trending gently-dipping detachment fault vary from 10―13 mm/a for the southwest Tianshan Mountains to 2.5 mm/a for the eastern Tianshan Mountains, and to 6―12.mm/a for the Kyrgrz Tianshan. The GPS velocity field reveals that the total convergence is not uniformly distributed across the Tianshan Mountains, with 80%―90% of the N-S shortening absorbed along the southern and northern edges, and relatively little deformation accommodated within the interior. This first-order feature of strain pattern is explained best by underthrusting of adjacent blocks beneath the Tianshan Mountains along a basal detachment fault. We found the occurrence of historical M7―8 earthquakes somewhere in the locked ramp that connects the creeping and locking segments of the detachment, thereby resulting in elastic strain concentration and accumulation around it. The elastic strain confined in the upper crustal layer above the detachment ultimately releases through infrequent great earthquakes in the Tianshan Mountains, resulting in considerable folding and faulting at their margins. The Tianshan Mountains propagated outward and rose progressively as a wedge-shaped block.

关键词： Tianshan Mountains GPS slip rates tectonic deformation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

The In-Flight Realtime Trigger and Localization Software of GECAM

引用

research in Astronomy and Astrophysics 2024年第10期24卷 11-24页

作者： Xiao-Yun Zhao Shao-lin Xiong Xiang-yang Wen Xin-qiao li Ce Cai Shuo Xiao qi Luo Wen-Xi Peng Dong-Ya Guo Zheng-Hua An Ke Gong Jin-Yuan liao Yan-qiu Zhang Yue Huang Lu li Xing Wen Fei Zhang Jing Duan Chen-Wei wang Dong-li Shi Peng Zhang qi-Bin Yi Chao-yang li Yan-Bing Xu Xiao-Hua liang Ya-qing liu Da-li Zhang Xi-Lei Sun Fan Zhang Gang Chen Huan-Yu wang Sheng yang Xiao-Jing liu Min Gao Mao-Shun li Jin-Zhou wang Xing Zhou Yi Zhao wang-Chen Xue Chao Zheng Jia-Cong liu Xing-Bo Han Jin-ling qi Jia Huang Ke-Ke Zhang Can Chen Xiong-Tao yang Dong-jie Hou Yu-Sa wang Rui qiao Xiang Ma Xiao-Bo li Ping wang Xin-Ying Song li-Ming Song Shi-jie Zheng Bing li Hong-Mei Zhang Yue Zhu Wei Chen Jian-Jian He Zhen Zhang Jin Hou Hong-Jun wang Yan-Chao Hao Xiang-Yu wang Zong-Yuan yang Zhi-Long Wen Zhi Chang Yuan-Yuan Du Rui Gao Xiao-Fei Lan Yan-Guo li Gang li Xu-Fang li Fang-Jun Lu Hong Lu Bin Meng Feng Shi Hui wang Hui-Zhen wang Yu-Peng Xu Jia-Wei yang Xue-Juan yang Shuang-Nan Zhang Chao-Yue Zhang Cheng-Mo Zhang Zhi-Cheng Tang Cheng Cheng Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China university of Chinese Academy of sciences Chinese Academy of SciencesBeijing 100049China School of Information science and technology Southwest Jiaotong UniversityChengdu 611756China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Physics and space science College China West Normal UniversityNanchong 637002China Department of Astronomy Beijing Normal UniversityBeijing 100875China Innovation Academy for Microsatellites of CAS Shanghai 201203China Changchun university of science and {2. Changchun 130022China Chinese Academy of sciences South America center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China

Realtime trigger and localization of bursts are the key functions of GECAM,an all-sky gamma-ray monitor launched on 2.2. December *** developed a multifunctional trigger and localization software operating in the CPU of the GECAM Electronic *** onboard software has the following features:high trigger efficiency for real celestial bursts with a suppression of false triggers caused by charged particle bursts and background fluctuation,dedicated localization algorithm optimized for both short and long bursts,and low time latency of the trigger information which is downlinked through the Global Short Message Communication service of the global BeiDou navigation *** paper provides a detailed description of the design and development of the trigger and localization software system for *** covers the general design,workflow,the main functions,and the algorithms used in the *** paper also includes on-ground trigger tests using simulated gamma-ray bursts generated by a dedicated X-ray tube,as well as an overview of the performance for real celestial bursts during its in-orbit operation.

关键词： telescopes instrumentation:detectors methods:observational

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Huangqi Guizhi Wuwu Decoction suppresses inflammation and bone destruction in collagen-induced arthritis mice

引用

Chinese Herbal Medicines 2024年第2期16卷 274-281页

作者： Jiamin Bao Yongjia Song Minghui Hang Hao Xu qiang li Pengyu wang Tao Chen Mengxiong Xia qi Shi Yongjun wang Xiaoyun wang qianqian liang School of Rehabilitation science Shanghai University of Traditional Chinese MedicineShanghai 201203China Longhua Hospital Shanghai University of Traditional Chinese MedicineShanghai 200032China Spine Institute Shanghai University of Traditional Chinese MedicineShanghai 200032China Key Laboratory of Theory and Therapy of Muscles and Bones Ministry of EducationShanghai University of Traditional Chinese MedicineShanghai 201203China Shanghai research Institute of Acupuncture and Meridian Shanghai University of Traditional Chinese MedicineShanghai 200032China

Objective: Rheumatoid arthritis(RA) is a chronic inflammatory and destructive arthritis, characterized by inflammatory infiltration and bone destruction. Huangqi Guizhi Wuwu Decoction(HGWD) is traditional Chinese medicine, which has been applied in the treatment of RA in clinical. The aim of this study was to investigate the therapeutic effect of HGWD on collagen-induced arthritis(CIA) mouse ***: DBA/1J female mice were used to establish the collagen-induced arthritis(CIA) model. HGWD was administered intragastrically once a day for four weeks starting on the 2.nd day after the first immunization. The body weight, hind paw thickness and clinical score were measured every five days. Gait analysis, histopathological staining, enzyme-linked immunosorbent assay(EliSA), ultrasound imaging and micro-computed tomography imaging were performed to determine the effects of HGWD treatment on inflammation and bone structure in this model. Moreover, Real-time PCR and Western blot analysis were used to detect inflammatory factors m RNA and protein levels after HGWD intervention in RAW2.4.7 ***: HGWD attenuated symptoms of arthritis, suppressed inflammatory synovium area and the serum levels of inflammatory factors, inhibited joint space enlargement in the knee and ankle joints,reduced numbers of osteoclasts, protected bone destruction, as well as improved motor *** decreased the expression of m RNA for inflammatory factors and the protein expression levels of p-NF-ΚB and ***: These results suggested that HGWD suppresses inflammation, attenuates bone erosion and maintains motor function in collagen-induced arthritis mice.

关键词： bone destruction collagen-induced arthritis Huangqi Guizhi Wuwu Decoction inflammation rheumatoid arthritis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

青藏高原典型沙地地表反射率光谱特征与星地验证

引用

光谱学与光谱分析 2024年第11期44卷 3228-3235页

作者：刘勇许华李莉纪山王博林罗杰李凯涛郑杨伽丽丽江启峰李正强西华大学航空航天学院智能空地融合载具及管控教育部工程研究中心西华大学流体及动力机械教育部重点实验室中国科学院空天信息创新研究院国家环境保护卫星遥感重点实验室遥感科学国家重点实验室 31002.队航天工程大学航天信息学院

测量地表反射率对研究地物光谱特征以及卫星地表产品检验具有重要意义。利用地物光谱仪获得青藏高原阿里地区的沙地地表反射率，并研究分析其典型光谱特征。针对Terra和Aqua卫星的中分辨率成像光谱仪(MODIS)的地表反射率产品(MOD09/MYD... 详细信息

测量地表反射率对研究地物光谱特征以及卫星地表产品检验具有重要意义。利用地物光谱仪获得青藏高原阿里地区的沙地地表反射率，并研究分析其典型光谱特征。针对Terra和Aqua卫星的中分辨率成像光谱仪(MODIS)的地表反射率产品(MOD09/MYD09)和地表反照率产品(MCD43 A4)开展真实性检验和误差影响分析。结果表明，阿里地区戈壁具有典型沙地光谱特征，各波段的地表反射率数值在0.08～0.35之间，在300～700 nm光谱范围的地表反射率随波长增大而增加，而在750～1 750 nm光谱范围的地表反射率变化较小。与我国敦煌辐射校正场的沙地反射率相比，光谱曲线相似度很高，光谱夹角为2.18°。星地对比的结果受观测几何和大气光照条件的影响，下午星Aqua产品验证效果优于上午星Terra,平均误差约为5%,这与MODIS官方标称的精度相一致。研究表明，阿里地区沙地的光谱特征稳定且有代表性，是我国光学卫星在轨辐射定标和检验的理想场地。

关键词：地表反射率沙地光谱真实性检验 MODIS地表产品

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Edge Detection of Ultrasonic Medical Image Based on Mathematical Morphology

引用

计算机工程 2002年第S1期28卷 160-164页

作者： liU qi1, wang Tianfu1, ZHENG Changqiong1, li Deyu1, ZHENG Yi2.1. Biomedical Engineering {2. , Sichuan university, Chengdu 610064 , china 2. Department of Electrical Engineering, St. Cloud State university, USA) Biomedical Engineering center Sichuan University Chengdu 610064 China Department of Electrical Engineering St. Cloud State University USA

During the ultrasonic medical image edge detection, one of the difficult problems is that there are some speckles that show strongly variance of image gray level, the speckles reduce the space difference and remain the detailed structure under cover. Edge detection algorithms have had fairly limited application in ultrasound imaging. High levels of speckling present in ultrasound images make accurate edge detections difficult. In this paper, a novel edge detection method based on mathematical morphology ispresented. Firstly, according to the statistical characteristic of the speckle, the speckle filtering method based on multidirectional morphological structure is presented. The experiment shows that the speckle noise has been filtered and image details have been preserved by the method based on local statistical property of the image, the edge detection result shows that this method is reliable and effective. Certainly the speckle filtering and the edge detection are not the final objective and would like to be proved and perfected in the further research of ultrasonic image analyzing.

关键词： Speckle Filtering Edge detection Mathematical morphology

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

A Localization Method of High Energy Transients for All-sky Gamma-ray Monitor

引用

research in Astronomy and Astrophysics 2024年第10期24卷 25-35页

作者： Yi Zhao wangchen Xue Shaolin Xiong qi Luo Yuanhao wang Jiacong liu Heng Yu Xiaoyun Zhao Yue Huang Jinyuan liao Jianchao Sun Xiaobo li qibin Yi Ce Cai Shuo Xiao Shenglun Xie Chao Zheng Yanqiu Zhang Chenwei wang Wenjun Tan Zhiwei Guo Chaoyang li Zhenghua An Gang Chen Yanqi Du Min Gao Ke Gong Dongya Guo Jiang He Jianjian He Bing li Gang li Xinqiao li Jing liang Xiaohua liang Yaqing liu Xiang Ma Rui qiao liming Song Xinying Song Xilei Sun Jin wang Ping wang Xiangyang Wen Hong Wu Yanbing Xu Sheng yang Dali Zhang Fan Zhang Hongmei Zhang Peng Zhang Shu Zhang Zhen Zhang Shijie Zheng Keke Zhang Xingbo Han Haiyan Wu Hu Tai Hao Geng Gaopeng Lu Wei Xu Fanchao Lyu Hongbo Zhang Fangjun Lu Shuangnan Zhang Department of Astronomy Beijing Normal UniversityBeijing 100875China Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China university of Chinese Academy of sciences Beijing 100049China School of Physics and Optoelectronics Xiangtan UniversityXiangtan 411105China College of Physics Hebei Normal UniversityShijiazhuang 050024China Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing Guizhou Normal UniversityGuiyang 550001China School of Physics and Electronic science Guizhou Normal UniversityGuiyang 550001China Institute of Astrophysics Central China Normal UniversityWuhan 430079China College of physics sciences technology Hebei UniversityBaoding 071002China Physics and space science College China West Normal UniversityNanchong 637002China School of Computing and Artificial Intelligence Southwest Jiaotong UniversityChengdu 611756China College of Electronic and information Engineering Tongji UniversityShanghai 201804China Innovation Academy for Microsatellites of Chinese Academy of sciences Shanghai 201304China National space science {2. Chinese Academy of SciencesBeijing 100190China School of Earth and space sciences University of Science and Technology of ChinaHefei 230026China Electronic Information School Wuhan UniversityWuhan 430072China Key Laboratory of Transportation Meteorology of china Meteorological Administration Nanjing Joint Institute for Atmospheric SciencesNanjing 210000China Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China

Fast and reliable localization of high-energy transients is crucial for characterizing the burst properties and guiding the follow-up *** based on the relative counts of different detectors has been widely used for all-sky gamma-ray *** are two major methods for this count distribution localization:χ^(2.minimization method and the Bayesian *** we propose a modified Bayesian method that could take advantage of both the accuracy of the Bayesian method and the simplicity of the χ^(2.*** comprehensive simulations,we find that our Bayesian method with Poisson likelihood is generally more applicable for various bursts than the χ^(2.method,especially for weak *** further proposed a location-spectrum iteration approach based on the Bayesian inference,which could alleviate the problems caused by the spectral difference between the burst and location *** method is very suitable for scenarios with limited computation resources or timesensitive applications,such as in-flight localization software,and low-latency localization for rapidly follow-up observations.

关键词： methods:data analysis methods:analytical (stars:)gamma-ray burst:general

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Crustal block rotations in Chinese mainland revealed by GPS measurements

引用

Earthquake science 2009年第6期22卷 639-649页

作者： Wei wang shaomin {2. qi wang Institute of Seismology China Earthquake Administration Wuhan 430071 China Institute of Geophysics China Earthquake Administration Beijing 100081 China research center of {2. science and technology China University of Geosciences Wuhan 430074 China

We simulate GPS horizontal velocity field in terms of rotations of crustal blocks to describe deformation behavior of the Chinese mainland and its neighboring areas. 31 crustal blocks are bounded primarily by -30 Quaternary faults with distinct geometries and variable long-term rates of 〈2. mm/a, and 1 683 GPS velocities were determined from decade-long observations mostly with an averaged uncertainty of 1-2.mm/a. We define GPS velocity at a site by the combination of motion of rigid block and elastic strain induced by the fault that is locking during a seismic cycle. Model velocities predicted from the preferable block model match well with the GPS velocities to an uncertainty of-l.7mm/a. The slip rates inferred from this model is in a range of 6-18 mm/a for the major faults in Tibet and its margins and 1-4 mm/a in eastern china, consistent with geological observations. Our numerical simulation suggests that the crustal blocks deform internally at a level of-10× 10^-9/a, quite small in comparison with significant deformation localized along fault zones of 50-100 km wide. We conclude that the pattern of continental deformation is not continuous-like but block-like, and the tenet of plate tectonics may be applicable to characterize the active deformation in Asia.

关键词： GPS Chinese mainland active block block rotation crustal deformation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Constitution identification model in traditional Chinese medicine based on multiple features

引用

Digital Chinese Medicine 2024年第2期7卷 108-119页

作者： XU Anying wang Tianshu yang Tao HAN Xiao ZHANG Xiaoyu wang Ziyan ZHANG qi li Xiao SHANG Hongcai HU Kongfa School of Artificial Intelligence and Information technology Nanjing University of Chinese MedicineNanjingJiangsu 210023China Institute of Basic research in Clinical Medicine China Academy of Chinese Medical SciencesBeijing 100700China Key Laboratory of Internal Medicine of Chinese Medicine Ministry of EducationBeijing University of Chinese MedicineBeijing 100700China Dongfang Hospital Beijing University of Chinese MedicineBeijing 100078China Jiangsu Collaborative Innovation center of Traditional Chinese Medicine in Prevention and Treatment of Tumor NanjingJiangsu 210023China Jiangsu Province Engineering research center of TCM Intelligence Health Service Nanjing University of Chinese MedicineNanjingJiangsu 210023China Jiangsu research center for Major Health Risk Management and TCM Control Policy Nanjing University of Chinese MedicineNanjingJiangsu 210023China

Objective To construct a precise model for identifying traditional Chinese medicine(TCM)constitutions;thereby offering optimized guidance for clinical diagnosis and treatment plan-ning;and ultimately enhancing medical efficiency and treatment *** First;TCM full-body inspection data acquisition equipment was employed to col-lect full-body standing images of healthy people;from which the constitutions were labelled and defined in accordance with the Constitution in Chinese Medicine Questionnaire(CCMQ);and a dataset encompassing labelled constitutions was ***;heat-suppres-sion valve(HSV)color space and improved local binary patterns(LBP)algorithm were lever-aged for the extraction of features such as facial complexion and body *** addition;a dual-branch deep network was employed to collect deep features from the full-body standing ***;the random forest(RF)algorithm was utilized to learn the extracted multifea-tures;which were subsequently employed to establish a TCM constitution identification ***;precision;and F1 score were the three measures selected to assess the perfor-mance of the *** It was found that the accuracy;precision;and F1 score of the proposed model based on multifeatures for identifying TCM constitutions were 0.842.0.868;and 0.790;*** comparison with the identification models that encompass a single feature;either a single facial complexion feature;a body shape feature;or deep features;the accuracy of the model that incorporating all the aforementioned features was elevated by 0.105;0.105;and 0.079;the precision increased by 0.164;0.164;and 0.2.1;and the F1 score rose by 0.071;0.071;and 0.084;*** The {2. findings affirmed the viability of the proposed model;which incor-porated multifeatures;including the facial complexion feature;the body shape feature;and the deep *** addition;by employing the proposed model;the objectification and intel-ligence o

关键词： Traditional Chinese medicine(TCM) Constitution identification Deep feature Facial complexion feature Body shape feature Multiple features

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

1.2. μm O_(2.(a^(1)Δ g)气辉临边观测辐射传输特性

引用

光谱学与光谱分析 2024年第4期44卷 1088-1097页

作者：王道琦王后茂何微微胡向瑞李娟李发泉武魁军烟台大学物理与电子信息学院山东烟台264005 中国科学院国家空间科学中心北京100190 中国科学院西安光学精密机械研究所陕西西安710119 中国科学院精密测量科学与技术创新研究院湖北武汉430071

1.2.μm波段的O_(2.(a^(1)Δg)气辉辐射具有辐射信号强、空间跨度大、自吸收效应弱等诸多内禀优势,是临近空间大气遥感的重要目标源,对于中高层大气的动力学及热学特性研究,全球温室气体探测,以及臭氧浓度三维层析等卫星遥感具有重要的... 详细信息

1.2.μm波段的O_(2.(a^(1)Δg)气辉辐射具有辐射信号强、空间跨度大、自吸收效应弱等诸多内禀优势,是临近空间大气遥感的重要目标源,对于中高层大气的动力学及热学特性研究,全球温室气体探测,以及臭氧浓度三维层析等卫星遥感具有重要的科学意义和应用价值。首先基于O_(2.(a^(1)Δg)光化学反应模型,研究了O_(2.(a^(1)Δg)气辉的产生机制及湮灭机理,在此基础上,计算得到了O_(2.(a^(1)Δg)气辉体辐射率廓线,并基于HITRAN数据库给出的谱线强度及爱因斯坦系数,提出了两种计算O_(2.(a^(1)Δg)气辉光谱分布的方法。采用最新的分子光谱参数、光化学反应速率常数及F10.7太阳紫外通量等参数,结合光化学反应模型计算得到的O_(2.(a^(1)Δg)气辉体辐射率廓线信息,借助逐线积分算法,建立了1.2.μm O_(2.(a^(1)Δg)气辉临边观测辐射传输理论模型,并分析了自吸收效应对不同临边观测高度处气辉辐射光谱强度的影响。然后,利用剥洋葱算法,对大气图像扫描成像吸收光谱仪(SCIAMACHY)在临边观测模式下测得的O_(2.分子近红外大气带的气辉辐射信号进行处理得到了目标层O_(2.(a^(1)Δg)气辉辐射光谱,并通过谱积分算法反演得到了O_(2.(a^(1)Δg)气辉的体辐射率廓线信息。最后通过对比气辉临边观测辐射传输理论模型计算得到的以及SCIAMACHY仪器测量反演得到的1.2.μm O_(2.(a^(1)Δg)辐射光谱及体辐射率廓线信息,验证1.2.μm O_(2.(a^(1)Δg)气辉临边观测辐射传输理论模型的可靠性与合理性。基于比对结果,对O_(2.(a^(1)Δg)气辉临边辐射强度和体辐射率的影响因素进行了分析。分析结果表明,在50 km以上的高空区域,理论计算结果与卫星实测结果吻合性较好,而随着海拔高度的降低,两者的偏差逐渐增大,这是因为在临边观测模式下,中低空区域的卫星遥感信号受自吸收效应及大气散射效应影响严重。此外,与HITRAN数据库给出的谱线强度参数相比,基于爱因斯坦系数建立的O_(2.(a^(1)Δg)气辉临边辐射模型与卫星实测结果更加吻合。1.2.μm O_(2.(a^(1)Δg)气辉临边观测辐射传输理论模型的建立,对于临近空间大气遥感,奠定了理论基础。

关键词： O_(2.(a^(1)Δg)气辉体辐射率临边观测辐射传输理论模型

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

相空间重构后矿井涌水量序列地质学含义及其应用研究

引用

河南理工大学学报（自然科学版） 2024年第5期43卷 43-52页

作者：李建林贺奇王树威王心义王冲薛杨无河南理工大学资源环境学院河南焦作454000 煤炭安全生产与清洁高效利用省部共建协同创新中心河南焦作454000 中化地质矿山总局浙江地质勘查院浙江杭州310002 天津华北地质勘查局核工业二四七大队天津301800

目的为了确定相空间重构矿井涌水量序列的地质学含义并提高涌水量预测精度,方法以王行庄矿为例,在涌水量序列相空间重构后,对重构后相空间列向量与涌水量主控因素进行相关性分析,并在此基础上建立混沌理论与人工神经网络耦合(Chaos-ENN... 详细信息

目的为了确定相空间重构矿井涌水量序列的地质学含义并提高涌水量预测精度,方法以王行庄矿为例,在涌水量序列相空间重构后,对重构后相空间列向量与涌水量主控因素进行相关性分析,并在此基础上建立混沌理论与人工神经网络耦合(Chaos-ENN)的涌水量预测模型。结果结果表明:相空间的嵌入维数等于矿井涌水量主控因素个数;相空间的第1,2.4,5,6列向量分别与C_(2.tL_(7-8)含水层水位埋深、O_(2.m+Є_(3)ch含水层水位埋深、采空区面积、C_(2.tL_(1-4)含水层水位埋深、开拓长度具有较高的相关性,第3列与不易量化的其他综合因素有关;构建的Chaos-ENN涌水量预测模型在王兴庄矿的预测精度达到97.91%。结论涌水量序列重构后相空间的列向量具有明确的地质学含义。利用混沌理论可以量化涌水量预测模型中ENN输入层的个数及取值,所以仅需涌水量序列值就可以建立矿井涌水量预测的Chaos-ENN模型,该模型解决了涌水量预测中存在的主控因素难以确定和不易量化的难题,且预测精度高,具有较高的推广价值。

关键词：矿井水文系统相空间重构涌水量主控因素混沌特征 Chaos-ENN预测模型

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：