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| 1 | Computing Power Network:The Architecture of Convergence of Computing and Networking towards 6G Requirement显示文摘In 6G era,service forms in which computing power acts as the core will be ubiquitous in the network.At the same time,the collaboration among edge computing,cloud computing and network is needed to support edge computing service with strong demand for computing power,so as to realize the optimization of resource utilization.Based on this,the article discusses the research background,key techniques and main application scenarios of computing power network.Through the demonstration,it can be concluded that the technical solution of computing power network can effectively meet the multi-level deployment and flexible scheduling needs of the future 6G business for computing,storage and network,and adapt to the integration needs of computing power and network in various scenarios,such as user oriented,government enterprise oriented,computing power open and so on. | Xiongyan Tang Chang Cao Youxiang Wang Shuai Zhang Ying Liu Mingxuan Li Tao He | 2021 | China Communications2021，18，2： | 20 |
| 2 | A Deep Learning Method for Bias Correction of ECMWF 24–240 h Forecasts显示文摘Correcting the forecast bias of numerical weather prediction models is important for severe weather warnings.The refined grid forecast requires direct correction on gridded forecast products,as opposed to correcting forecast data only at individual weather stations.In this study,a deep learning method called CU-net is proposed to correct the gridded forecasts of four weather variables from the European Centre for Medium-Range Weather Forecast Integrated Forecasting System global model(ECMWF-IFS): 2-m temperature,2-m relative humidity,10-m wind speed,and 10-m wind direction,with a forecast lead time of 24 h to 240 h in North China.First,the forecast correction problem is transformed into an image-toimage translation problem in deep learning under the CU-net architecture,which is based on convolutional neural networks.Second,the ECMWF-IFS forecasts and ECMWF reanalysis data(ERA5) from 2005 to 2018 are used as training,validation,and testing datasets.The predictors and labels(ground truth) of the model are created using the ECMWF-IFS and ERA5,respectively.Finally,the correction performance of CU-net is compared with a conventional method,anomaly numerical correction with observations(ANO).Results show that forecasts from CU-net have lower root mean square error,bias,mean absolute error,and higher correlation coefficient than those from ANO for all forecast lead times from 24 h to 240 h.CU-net improves upon the ECMWF-IFS forecast for all four weather variables in terms of the above evaluation metrics,whereas ANO improves upon ECMWF-IFS performance only for 2-m temperature and relative humidity.For the correction of the 10-m wind direction forecast,which is often difficult to achieve,CU-net also improves the correction performance. | Lei HAN Mingxuan CHEN Kangkai CHEN Haonan CHEN Yanbiao ZHANG Bing LU Linye SONG Rui QIN | 2021 | Advances in Atmospheric Sciences2021，38，9： | 15 |
| 3 | Statistic characteristics and weather significance of infrared TBB during May―August in Beijing and its vicinity显示文摘In order to meet the demand of nowcasting convective storms in Beijing, the climatological characteristics of convective storms in Beijing and its vicinity were analyzed based on the infrared (IR) temperature of black body (TBB) data during May―August of 1997―2004. The climatological probabilities, the diurnal cycle and the spatial distribution of convective storms are given respectively in this paper. The results show that the climatological characteristics of convective storms denoted by TBB≤-52℃ are consistent with those statistic studies based on the surface and lightning observations. Furthermore, the climatological characteristics of May and June are very different from those of July and August, showing that there are two types of convective storms in this region. One occurs in the transient polar air mass on the midlatitude continent during the late spring and early summer. This type of convection arises with thunder, strong wind gust and hail over the mountainous area in the northern part of this region from afternoon to nightfall, the other occurs with heavy rainfall in the warm and moist air mass over the North China Plain and vicinity of Bohai Sea. This study also shows that the long-term data of IR TBB observed by geostationary satellite can complement the temporal and spatial limitation of the weather radar and surface observations. | ZHENG YongGuang CHEN Jiong CHEN MingXuan WANG YingChun DING QingLan | 2007 | Chinese Science Bulletin2007，52，24： | 12 |
| 4 | Intelligent Wireless Communications Enabled by Cognitive Radio and Machine Learning显示文摘The ability to intelligently utilize resources to meet the need of growing diversity in services and user behavior marks the future of wireless communication systems. Intelligent wireless communications aims at enabling the system to perceive and assess the available resources, to autonomously learn to adapt to the perceived wireless environment, and to reconfigure its operating mode to maximize the utility of the available resources. The perception capability and reconfigurability are the essential features of cognitive radio while modern machine learning techniques project great potential in system adaptation. In this paper, we discuss the development of the cognitive radio technology and machine learning techniques and emphasize their roles in improving spectrum and energy utility of wireless communication systems. We describe the state-of-the-art of relevant techniques, covering spectrum sensing and access approaches and powerful machine learning algorithms that enable spectrum and energy-efficient communications in dynamic wireless environments. We also present practical applications of these techniques and identify further research challenges in cognitive radio and machine learning as applied to the existing and future wireless communication systems. | Xiangwei Zhou Mingxuan Sun Geoffrey Ye Li Biing-Hwang (Fred) Juang | 2018 | China Communications2018，15，12： | 10 |
| 5 | Comment on'A new discovery of the Early Cretaceous supercritical hyperpycnal flow deposits on Lingshan Island,East China'by Yang Tian et al.in Acta Geologica Sinica(English Edition),2017,91(2):749-750显示文摘Yang Tian et al.(2017)recognize bed-load-dominated and suspended-load-dominated hyperpycnites in the Beilaishi section,but we maintain that only Fig.1b is well consistent with their descriptions.The interface existing in the lower part separates it into two thin-bedded grading deposits then with climbing ripples in Fig.1c,which | TAN Mingxuan ZHU Xiaomin LIU Wei | 2017 | Acta Geologica Sinica(English Edition)2017，91，5： | 9 |
| 6 | Repetitive learning control of nonlinear systems over finite intervals显示文摘Iterative learning control requires initial repositioning, while the time functions to be learned should be of periodicity in repetitive control. However, there are cases in practice where the time-varying unknowns are not periodic but repetitive, and repetitive learning control is applicable with avoidance of initial repositioning. In this paper, repetitive learning control designs are presented for a broader class of nonlinear systems over finite intervals. The Freeman formula is modified and used for stabilization of the nominal nonlinear time-varying system undertaken. The global stability of the learning system and asymptotic convergence of the tracking error are established through analysis of both partially and fully saturated learning algorithms, respectively. The repetitive learning control method is theoretically shown to be effective in dealing with time-varying parametric uncertainties. | SUN MingXuan WANG DanWei CHEN PengNian | 2010 | Science China(Information Sciences)2010，53，1： | 7 |
| 7 | Mesozoic–Cenozoic Volcanic Cycle and Volcanic Reservoirs in East China显示文摘There are widespread Mesozoic–Cenozoic terrestrial volcanic activities in East China,and they produced favorable geologic factors for the volcanic reservoirs.To reveal the spatio-temporal evolution of regional volcanisms and their tectonic setting,we subdivide Mesozoic–Cenozoic volcanic activities into 6 volcanic cycles(Ⅰ–Ⅵ),and summarize the temporal-spatial distribution,rock association and tectonic setting of each cycle.The Cycle I forms a post-orogenic intraplate bimodal volcanic association.The cyclesⅡandⅢinclude arc volcanic associations formed in compressional and extensional subduction environments,respectively.The CycleⅣcontains a post-orogenic arc bimodal association.The CycleⅤis a basaltic association of tholeiite series under initial rift setting,and the CycleⅥis basaltic association of alkaline series under typical rift setting.The volcanic strata between each cycle are bounded by regional unconformity.The above 6 volcanic cycles correspond to 6 sequential stages of tectonic evolutions from the Early Jurassic post-orogeny,the Mid-Jurassic–Cretaceous subduction of the paleo-Pacific Plate to the Cenozoic marginal rifting.According to the geological characteristics of volcanic reservoirs in different volcanic cycles,it is put forward that the CycleⅤis the major formation period of volcanic reservoirs in East China and should be the focus of exploration,and that the volcanic reservoirs of the CycleⅣare also worthy of attention. | Guangfu Xing Jianqing Li Zheng Duan Mingxuan Cao Minggang Yu Pingli Chu Rong Chen | 2021 | Journal of Earth Science2021，32，4： | 7 |
| 8 | Sound field of an electromagnetic acoustic transducer显示文摘在由由圆螺线卷和垂直偏爱磁场组成的一个电磁的声学的变换器的非铁磁性的铝以内的散发的健全的域激发的特征是 studied.This 文章根据健全的地的分析排水量解决方案由那个力量来源模型生产了的电磁的 induction.Then 的原则介绍一个改进力量来源模型是 deduced.The 正切、正常的择向性砍并且纵的声音被计算 | CHEN Qiuying WANG Xiaomin LI Mingxuan MAO Jie | 2011 | Chinese Journal of Acoustics2011，30，1： | 6 |
| 9 | Internal short circuit detection method for battery pack based on circuit topology显示文摘Internal short circuit(ISCr) is one of the major obstacles to the improvement of the battery safety. The ISCr may lead to the battery thermal runaway and is hard to be detected in the early stage. In this work, a new ISCr detection method based on the symmetrical loop circuit topology(SLCT) is introduced. The SLCT ensures that every battery has the same priority in the circuit and every battery will contribute the same amount of short-circuit current to the ISCr once the ISCr happens. The ISCr battery could be identified by the combination of the ratio of the short-circuit currents and the sign of the short-circuit currents. The recursive least square method is adopted for the real-time application and the optimized ammeters allocation is derived from the mathematic deduction. The battery pack based on the individual DP(dual polarization) battery model is established to verify the ISCr detection method. The 1–1000 Ω s ISCr(the early stage ISCr) can be effectively detected within 1–125 s. The SLCT provides the possibility of new battery pack designs and new battery management methods. The proposed ISCr detection method shows excellent effectiveness and efficiency on the identification of the ISCr battery in the early stage. | ZHANG MingXuan DU JiuYu LIU LiShuo SIEGEL Jason LU LanGuang HE XiangMing OUYANG MingGao | 2018 | Science China(Technological Sciences)2018，61，10： | 6 |
| 10 | Statistic characteristics of severe convective storm during Warm-Season in the Beijing-Tianjin region and its vicinity显示文摘This study analyzed the climatological characteristics of severe convective storms in the Beijing and Tianjin region and its vicinity based on the Doppler radar data of Tanggu during May―August of 2003― 2007. The climatological characteristics, e.g. storm area, volume, top height, max reflectivity, life time and motion, are analyzed. The results include: 75% of all storms in the Beijing-Tianjin region last no more than 30 minutes, and most storms have a volume less than 400 km3; most storms move from southwest to northeast while the speed is between 10―30 km/h; the mean storm top height is about 6 km, but some strong convective storms can have a top height larger than 15 km; finally, storm area and volume have a similar geographical distribution character showing increasing trends from west to east. Compared with the statistic results based on the conventional surface meteorological observations, the results based on the radar data can present not only 3D spatial statistic results of convective storms (e.g., volume and top height), but also the quantitative climatological characteristics, such as the life-time and speed distributions. These statistical results are useful for studying the climatic characteristics of convective storms in the Beijing-Tianjin region and its vicinity. | HAN Lei YU XiaoDing ZHENG YongGuang CHEN MingXuan WANG HongQing LIN YinJing | 2009 | Chinese Science Bulletin2009，54，14： | 5 |
| 11 | Ultrasonic detection of interface in multilayers: Theory and adaptive noise canceling显示文摘The analytic expression of the received echo in multilayers NDT (Non-Destruction Evaluation) is derived. Then based on the analytic solution, interface signals are analyzed; and it is concluded that the received ultrasonic echo of mulilayers is composed of all the interface signals. By using the adaptive canceling of the signals from interfaces 0 and 1, the signals from interface 2 can be extracted. The method is applied to simulated and real echoes of multilayers,and the signals from interface 2 is separated successfully Based on the amplitude and arrival time of the signal from interface 2, the bond quality and depth of the interface can be | JIAN Xiaoming LI Mingxuan ZHANG Jiansheng (Institute of Acoustics, Chinese Academg of Sciences Beijing 100080) | 1999 | Chinese Journal of Acoustics1999，18，3： | 5 |
| 12 | Ore-controlling effect of structure and distribution of deep rock mass on Pb-Zn deposit in Qingchengzi ore concentration area,Liaoning显示文摘Qingchengzi ore concentration area in Liao-Ji rift is an important lead-zinc ore area of China,and the deep prospecting in this area has great prospects.Based on the spatial occurrence of ore bodies the Pb-Zn deposit can be divided into three types:layered,vein-shaped and pinnate.The deep geological conditions in this area are deduced by analyzing the tectonic evolution process and rock mass gravity inversion.The tectonic evolution of Liao-Ji rift can be divided into three stages:Paleoproterozoic extension period,Mesoproterozoic compression period and Mesozoic reactivation period.The magmatic activities in the Indosinian epoch led to the distribution pattern of the present deposits.According to the gravity inversion,Shuangdinggou-and Xinling rock masses on the north and south sides of the mining area are connected in the deep.The connected rock body might be distributed in the entire mining area.Xinling rock mass may be a branch extending from Shuangdinggou rock mass along the northeast trending fault,the connected rocks provide magmatic hydrothermal fluid for the final,folds and faults result in different types of ore body shapes. | NIU Mingxuan YU Yunliang TIAN Liya NIU Wenqing XU Haibo | 2020 | Global Geology2020，23，2： | 4 |
| 13 | Theoretical and experimental research on nonlinear spring models of a bonding interface显示文摘在二固体之间的一个结合的接口上的非线性的边界条件一纵或砍水平嘘,在正常发生下面的波浪被探索。由使用秒顺序不安方法,非线性的春天模型严厉地在小厚度的限制被开发到波长比率。数字结果同意很好,准确答案由连续边界条件获得了。为纵的波浪的非线性的春天模型被测量钢或铝底层的楔形的结合结构的非线性验证。试验性的结果表明上述模型是相当精确的,当到粘合剂的 adherend 的阻抗比率增加,模型变得更精确。 | AN Zhiwu WANG Xiaomin MAO Jie LI Mingxuan DENG Mingxi | 2012 | Chinese Journal of Acoustics2012，31，2： | 4 |
| 14 | Visually monitoring the etching process of gold nanoparticles by KI/12 at single-nanoparticle level using scattered-light dark-field microscopic imaging显示文摘 | Shanshan Sun Mingxuan Gao Gang Lei Hongyan Zou Jun Ma Chengzhi Huang | 2016 | Nano Research2016，9，4： | 4 |
| 15 | Risk assessment models of integrative medicine indicators for malignant transformation of chronic atrophic gastritis:A registry study protocol显示文摘Objective:Traditional Chinese medicine(TCM)and modern medicine have both been used in arresting malignant transformation of chronic atrophic gastritis(CAG)in China with good therapeutic effect.However,no studies have been undertaken to assess the risk of malignant transformation in CAG patients using both modern medicine and TCM features.Our study aimed to develop risk assessment models for malignant transformation of CAG combining indicators of both TCM and modern medicine.These models will facilitate early warning and control of malignant transformation of CAG from the perspective of evidence-based integrative medicine.Methods:In the proposed registry study,a total of 1000 eligible CAG patients will be recruited from four hospitals in China.A 10-year follow-up study will be conducted both on-site and off-site to track the events of malignant transformation.Frequency analysis and chi-squared tests will be used to perform the comparative analysis on the prevalence of malignant transformation events and indicators in TCM or modern medicine in different groups.A multivariate Cox proportional hazard model will be used to perform correlation analyses of malignant transformation events and factors of TCM or modern medicine.Conclusion:The proposed study has been designed with a large sample size and long follow-up period,in which wide-ranging modern medicine and TCM indicators can be gathered over the whole process of malignant transformation of CAG.Based on this study,risk assessment models for malignant transformation ofCAGmaybe constructed fromthe perspective of integrative medicine.This may provide clinicians and patients with an optimized early warning system as well as prevention strategies for malignant transformation of CAG. | Yue Liu Wanjuan Wang Yuan Li Fusheng Liu Li Zhang Tao Tang Mingxuan Zang Yin Zhang Xia Ding | 2019 | Journal of Traditional Chinese Medical Sciences2019，6，3： | 3 |
| 16 | First experimental constraints on WIMP couplings in the effective field theory framework from CDEX显示文摘We present weakly interacting massive particles(WIMPs) search results performed using two approaches of effective field theory from the China Dark Matter Experiment(CDEX), based on the data from both CDEX-1B and CDEX-10 stages. In the nonrelativistic effective field theory approach, both time-integrated and annual modulation analyses were used to set new limits for the coupling of WIMP-nucleon effective operators at 90% confidence level(C.L.) and improve over the current bounds in the low mχregion. In the chiral effective field theory approach, data from CDEX-10 were used to set an upper limit on WIMP-pion coupling at 90% C.L. We for the first time extended the limit to the m_(χ)<6 GeV/c^(2) region. | Yi Wang Zhi Zeng Qian Yue LiTao Yang KeJun Kang YuanJing Li Mehment Agartioglu HaiPeng An JianPing Chang JingHan Chen YunHua Chen JianPing Cheng Cheng Yi Chiang WenHan Dai Zhi Deng ChangHao Fang XinPing Geng Hui Gong QiuJu Guo XuYuan Guo HongJian He Li He ShengMing He JinWei Hu TuChen Huang HanXiong Huang HaiTao Jia LiPing Jia Xi Jiang HauBin Li JianMin Li Jin Li MingXuan Li RenMingJie Li Xia Li YuLan Li Bin Liao FongKay Lin ShinTed Lin ShuKui Liu YanDong Liu Yu Liu YuanYuan Liu ZhongZhi Liu Hao Ma YuCai Mao QiYuan Nie JinHua Ning Hui Pan NingChun Qi Jie Ren XiChao Ruan ChangSong Shang Vivek Sharma Ze She Lakhwinder Singh Monoj Kumar Singh TianXi Sun ChangJian Tang WeiYou Tang Yang Tian GuangFu Wang Li Wang Qing Wang Yu Chen Wang YunXiang Wang Zhen Wang Henry Tsz-King Wong ShiYong Wu YuCheng Wu HaoYang Xing Yin Xu Tao Xue YuLu Yan Nan Yi ChunXu Yu HaiJun Yu JianFeng Yue Ming Zeng BingTao Zhang Lei Zhang FengShou Zhang ZhenYu Zhang KangKang Zhao MingGang Zhao JiFang Zhou ZuYing Zhou JingJun Zhu | 2021 | Science China(Physics,Mechanics & Astronomy)2021，64，8： | 3 |
| 17 | Boundedness and stability of highly nonlinear hybrid neutral stochastic systems with multiple delays显示文摘This paper reports the boundedness and stability of highly nonlinear hybrid neutral stochastic differential delay equations(NSDDEs) with multiple delays. Without imposing linear growth condition, the boundedness and exponential stability of the exact solution are investigated by Lyapunov functional method.In particular, using the M-matrix technique, the mean square exponential stability is obtained. Finally, three examples are presented to verify our results. | Mingxuan SHEN Chen FEI Weiyin FEI Xuerong MAO | 2019 | Science China(Information Sciences)2019，62，10： | 3 |
| 18 | Study on the denoising method for the electromagnetic ultrasonic echoes from multiple interfaces显示文摘电磁的超声在粘合剂的接口的察觉被使用在由传统的压电的变换器的超声的测试解决不稳定的联合问题的多层的结构。从变换器的相互的电感基于电磁的超声精力和结果的死了的地区的转变机制的分析,由取消方法的软阀值、适应的噪音过滤的小浪同时被使用到检测电磁的超声的信号克服低信号的缺点到噪音比率( SNR )和变换器的宽内在的死了的地区。当取消的适应噪音有效地缩小死了的地区时,在钢和橡胶材料的三件分层的粘合剂样品的接口察觉的处理结果证明过滤的小浪关于 12dB 提高 SNR。 | SONG Weihua WANG Xiaomin LI Mingxuan | 2008 | Chinese Journal of Acoustics2008，27，1： | 3 |
| 19 | Visible light-promoted, iodine-catalyzed selenoalkoxylation of olefins with diselenides and alcohols in the presence of hydrogen peroxide/air oxidant: an efficient access to α-alkoxyl selenides显示文摘Under iodine-catalyzed and visible light-irradiated aerobic conditions, selenoalkoxylation of olefins with diselenides and alcohols can be efficiently achieved to afford the useful α-alkoxyl selenides in the presence of only 0.5 equiv. of H_2O_2. Controlling the sub-stoichiometric H_2O_2 amount is crucial to avoid the non-selective over-oxidation of the diselenides that leads to the ineffective hyper-valent selenium compounds. Meanwhile, under visible light irradiation, the green, safe, and low-cost air can work as a supplemental mild oxidant in the reaction to ensure selective oxidation of the diselenides, full conversion of the reactants, and ultimately good yield of the products. | Mingxuan Liu Yiming Li Lei Yu Qing Xu Xuefeng Jiang | 2018 | Science China Chemistry2018，61，3： | 3 |
| 20 | 阵风锋和中尺度气团边界相互作用的对流初生机制的一个案例研究(英文)显示文摘在研究阵风锋和中尺度气团边界相互作用触发对流初生的这篇文章中,研究了两种对流层边界一一阵风锋和中尺度气团边界共同对对流初生的影响。该对流初生现象首先由观测发现,雷达和自动站观测显示阵风锋前方有一个中尺度气团边界存在,在该边界上温湿变化较大,风场存在辐合。在阵风锋与该中尺度气团边界相互靠近的过程中,两者之间的辐合区域产生了新生对流。为了更清楚地研究该新生对流的初生机制,本研究采用高分辨率的雷达四维变分分析系统同化雷达和自动站资料,融合中尺度模式结果。同化结果分析表明,阵风锋和中尺度气团边界之间辐合抬升加强,被抬升的暖湿气团超过了自由对流高度,产生了新生对流。这对提高新生对流的临近预报和预警可能具有有益启示。 | CUI Xinyan QIN Rui CHEN Mingxuan HAN Lei | 2019 | Atmospheric and Oceanic Science Letters2019，12，5： | 2 |
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