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arXiv 2018年

作者： Feng, Song Yu, Lan Wang, Feng Deng, Hui Yang, Yunfei Yunnan Key Lab. of Computer Technology Application/Faculty of Information Engineering and Automation Kunming University of Science and Technology Kunming650500 China Cas Key Laboratory of Solar Activity National Astronomical Observatories Beijing100012 China Department of Mechanical and Electrical Engineering Yunnan Land and Resources Vocational College Kunming650217 China

A novel time-frequency technique, called the synchrosqueezing transform (SST), is used to investigate the midterm periodic variations of magnetic fields on the solar surface. The Magnetic Plage Strength Index (MPSI) and the Mount Wilson Sunspot Index (MWSI), measured daily by the Mount Wilson Observatory between 1970 January 19 and 2012 January 22, are selected. The short-, mid, and longer-term periodicities are represented and decomposed by the SST with hardly any mode mixing. This demonstrates that the SST is a useful time-frequency analysis technique to characterize the periodic modes of helioseismic data. Apart from the fundamental modes of the annual periodicity, ∼27 day rotational cycle and ∼11 year solar cycle, the SST reveals several midterm periodicities in the two magnetic activity indices, specifically, ∼157 day (i.e., Rieger-type periodicity), and ∼1.3 and 1.7 years. The periodic modes, with 116.4 and 276.2 day periodicity in the MPSI, with 108.5 and 251.6 day periodicity in the MWSI, and the 157.7 day periodicity in the two indices, are in better accord with those significant periodicities derived from the Rossby waves theoretical model. This study suggests that the modes are caused by the Rossby waves. For the 1.30 and 1.71 year periodicity of the MPSI, and the 1.33 and 1.67 year periodicity of the MWSI, our analysis infers that they are related to those periodicity with the same timescale in the interior of the Sun and in the high atmospheric layers. Copyright © 2018, The Authors. All rights reserved.

关键词： Mechanical waves

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Method of Relevance Judgment for App Software's User Reviews

Method of Relevance Judgment for App Software's User Reviews

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The Third International Conference of Pioneering computer Scientists, Engineers and Educators,ICPCSEE 2017(originally ICYCSEE)

作者： Qixin Xiang Ying Jiang Meng Ran Jiaman Ding Yunnan Key Lab of Computer Technology Application Faculty of Information Engineering and Automation Kunming University of Science and Technology

In order to judge whether the user reviews are relevant to App software, this paper proposed a method to judge the relevance of user reviews based on Naive Bayesian text classification and term frequency. Firstly, the keywords sets of App software's user reviews are extracted. Then, the keywords sets are optimized. Finally, the relevance score of the user reviews are calculated, and whether the user reviews are relevant is judged. Through the experiment, this method is proved that can judge the relevance of App software's user reviews effectively.

关键词： App software User reviews Relevance judgment Naive Bayesian text classification Term frequency

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Corrigendum to “Terrestrial and groundwater storage characteristics and their quantification in the Chitral (Pakistan) and Kabul (Afghanistan) river basins using GRACE/GRACE-FO satellite data”

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Groundwater for Sustainable Development 2023年 23卷

作者： Aqil Tariq Shoaib Ali Iqra Basit Ahsan Jamil Nizom Farmonov Behnam Khorrami Muhammad Mohsin Khan Samira Sadri Muhammad Yousuf Jat Baloch Fakhrul Islam Muhammad Bilawal Junaid Wesam Atef Hatamleh Ubaid-ur-Rehman Janjua Department of Wildlife Fisheries and Aquaculture College of Forest Resources Mississippi State University 775 Stone Boulevard 39762-9690 MS USA State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing Wuhan University Wuhan 430079 China School of Water Conservancy & Civil Engineering Northeast Agricultural University Harbin Heilongjiang 150030 China Department of Irrigation and Drainage Faculty of Agricultural Engineering and Technology University of Agriculture Faisalabad Faisalabad 38000 Pakistan Remote Sensing GIS and Climate Research Lab (National Center of GIS and Space Application) Centre for Remote Sensing University of the Punjab Lahore 54590 Pakistan Department of Plant and Environmental Sciences New Mexico State University 3170S Espina Street Las Cruces NM 88003 USA Department of Geoinformatics Physical and Environmental Geography University of Szeged Egyetem utca 2 Szeged 6722 Hungary Department of GIS The Graduate School of Applied and Natural Sciences Dokuz Eylul University 35220 Izmir Turkey Department of Agricultural Engineering Muhammad Nawaz Shareef University of Agriculture Multan Multan Pakistan Department of Water Resources Engineering Shahid Chamran University of Ahvaz Ahvaz *** Iran College of New Energy and Environment Jilin University Changchun 130021 China Department of Geology Khushal Khan Khattak University Karak Pakistan Department of Plant Production College of Food and Agriculture King Saud University Riyadh Saudi Arabia Department of Computer Science College of Computer and Information Sciences King Saud University P.O. Box 51178 Riyadh 11543 Saudi Arabia Department of Geography and Geospatial Sciences Geospatial Sciences Center of Excellence South Dakota State University Brookings South Dakota USA

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Computing skyline using taxicab geometry 5

Computing skyline using taxicab geometry

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5th International Conference on Applied Computing and information technology, 2017 4th International Conference on Computational Science/Intelligence and Applied Informatics and 2017 1st International Conference on Big Data, Cloud Computing, Data Science and Engineering, ACIT-CSII-BCD 2017

作者： Ghosh, Partha Goto, Takaaki Sen, Soumya Department of Computer Application Kingston School of Management and Science KEI Kolkata India Faculty of Distribution and Logistics Systems Ryutsu Keizai University Ryugasaki Japan A.K.Choudhury School of Information Technology University of Calcutta Kolkata India

ISBN: (纸本)9781538633021

Skyline computation is relevant in multi-criteria decision making where the criteria are inversely proportional to each other. Skyline is generally computed using dominance analysis and applicable in a situation where shortest distance is computed with respect to a point of importance. In real life scenarios different cost parameters are obviously high for the points which are designated as 'important' where as users search for the points which are generally of low cost. These types of inverse conditions are managed in skyline computation. Existing research works majorly apply shortest distance calculation for searching the points of importance and it is assumed that the points are connected without any obstructions. However in practical cases this assumption is often wrong as different obstacles or barriers exist between the points or places. In this research work we use Taxicab distance calculation to consider the presence of obstacles and apply it to compute skyline of geographically dispersed data. © 2017 IEEE.

关键词： Taxicabs

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Investigation of Enhanced Double Weight Code in Point to Point Access Networks

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IOP Conference Series: Materials Science and Engineering 2020年第1期871卷

作者： Hesham A. Bakarman Ali Z. Ghazi Zahid M. H. Mezher AL-Aboud Wahed Al-Isawi Feras N Hasoon Saad H Al-Isawi Hussein A. Rasool Sahbudin Shaari Maitham Al-alyawy S. T. Yousif Jaber.k. Taher Ali. H. Mezher Hala. Musawy W. Y. Chong R. Zakaria Electronic and Communication Engineering College of Engineering Hadramout University Mukalla Yemen Computer Technique Engineering Department College of Technical Engineering The Islamic University Najaf Iraq Iraqi Parliament kufa Najaf Iraq. Electrical and computer engineering department National University of science & technology Muscat Sultanate of Oman Photonics Technology Laboratory Institute of Micro Engineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia UKM Bangi Selangor Malaysia Faculty of Science Edith Cowan University (ECU) Perth Australia. Ministry of Higher Education and Scientific Research Department of Information Technology Baghdad Iraq. Faculty of Engineering University of kufa- Najaf Iraq. Iraqi Federation of Industries Al-Najaf Industry Chamber Nanotechnology Centre of Industrial Application Najaf Iraq. Photonics Research Centre Faculty Science University of Malaya 50603 Kuala Lumpur Malaysia.

In this paper, an investigation and evaluation to enhanced double weight (EDW) code is performed, a new technique for code structuring and building using modified arithmetical model has been given for the code in place of employing previous technique based on Trial Inspections. Innovative design has been employed for the code into P2P networks using diverse weighted EDW code to be fitting into optical CDMA relevance applications. A new developed relation for EDW code is presented, the relation is based on studying and experimenting the effect of input transmission power with code weight, and the relation developed using numerical analysis method. This relation makes the estimation for the system input power needed more efficient. The results of the code has been explained by eye diagram and parametric illustrations from the simulated results. The result shows a magnificent performance of the code during high number of users and weight. On the other hand, the relation developed for power measurement helps to prevent power loss and consumption.

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DPHL:A DIA Pan-human Protein Mass Spectrometry Library for Robust Biomarker Discovery

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Genomics, Proteomics & Bioinformatics 2020年第2期18卷 104-119页

作者： Tiansheng Zhu Yi Zhu Yue Xuan Huanhuan Gao Xue Cai Sander R.Piersma Thang V.Pham Tim Schelfhorst Richard R.G.D.Haas Irene V.Bijnsdorp Rui Sun Liang Yue Guan Ruan Qiushi Zhang Mo Hu Yue Zhou Winan J.Van Houdt Tessa Y.S.Le Large Jacqueline Cloos Anna Wojtuszkiewicz Danijela Koppers-Lalic Franziska Bottger Chantal Scheepbouwer Ruud H.Brakenhoff Geert J.L.H.van Leenders Jan N.M.Ijzermans John W.M.Martens Renske D.M.Steenbergen Nicole C.Grieken Sathiyamoorthy Selvarajan Sangeeta Mantoo Sze S.Lee Serene J.Y.Yeow Syed M.F.Alkaff Nan Xiang Yaoting Sun Xiao Yi Shaozheng Dai Wei Liu Tian Lu Zhicheng Wu Xiao Liang Man Wang Yingkuan Shao Xi Zheng Kailun Xu Qin Yang Yifan Meng Cong Lu Jiang Zhu Jin'e Zheng Bo Wang Sai Lou Yibei Dai Chao Xu Chenhuan Yu Huazhong Ying Tony K.Lim Jianmin Wu Xiaofei Gao Zhongzhi Luan Xiaodong Teng Peng Wu Shi'ang Huang Zhihua Tao Narayanan G.Iyer Shuigeng Zhou Wenguang Shao Henry Lam Ding Ma Jiafu Ji Oi L.Kon Shu Zheng Ruedi Aebersold Connie R.Jimenez Tiannan Guo Zhejiang Provincial Laboratory of Life Sciences and Biomedicine Westlake UniversityHangzhou 310024China Key Laboratory of Structural Biology of Zhejiang Province School of Life SciencesWestlake UniversityHangzhou 310024China Institute of Basic Medical Sciences Westlake Institute for Advanced StudyHangzhou 310024China School of Computer Science Shanghai Key Laboratory of Intelligent Information ProcessingFudan UniversityShanghai 200433China Thermo Fisher Scientific(BREMEN)GmbH Bremen 28195Germany OncoProteomics Laboratory Department of Medical OncologyVU University Medical CenterVU UniversityAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamUrologyCancer Center AmsterdamAmsterdam 1011The Netherlands Thermo Fisher Scientific Shanghai 201206China The Netherlands Cancer Institute Surgical OncologyAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamSurgeryCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamPediatric Oncology/HematologyCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamHematologyCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamMedical OncologyCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamNeurosurgeryCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamPathologyCancer Center AmsterdamAmsterdam 1011The Netherlands Amsterdam UMC Vrije Universiteit AmsterdamOtolaryngology/Head and Neck SurgeryCancer Center AmsterdamAmsterdam 1011The Netherlands Erasmus MC University Medical Center PathologyRotterdam 1016LVThe Netherlands Erasmus MC University Medical Center SurgeryRotterdam 1016LVThe Netherlands Erasmus MC University Medical Center Medical OncologyRotterdam 1016LVThe Netherlands Department of Anatomical Pathology Singapore General HospitalSingapore 169608Singapore Division of Medical Scie

To address the increasing need for detecting and validating protein biomarkers in clinical specimens,mass spectrometry(MS)-based targeted proteomic techniques,including the selected reaction monitoring(SRM),parallel reaction monitoring(PRM),and massively parallel dataindependent acquisition(DIA),have been *** optimal performance,they require the fragment ion spectra of targeted peptides as prior *** this report,we describe a MS pipeline and spectral resource to support targeted proteomics studies for human tissue *** build the spectral resource,we integrated common open-source MS computational tools to assemble a freely accessible computational workflow based on *** then applied the workflow to generate DPHL,a comprehensive DIA pan-human library,from 1096 data-dependent acquisition(DDA)MS raw files for 16 types of cancer *** extensive spectral resource was then applied to a proteomic study of 17 prostate cancer(PCa)***,PRM validation was applied to a larger study of 57 PCa patients and the differential expression of three proteins in prostate tumor was *** a second application,the DPHL spectral resource was applied to a study consisting of plasma samples from 19 diffuse large B cell lymphoma(DLBCL)patients and 18 healthy control *** expressed proteins between DLBCL patients and healthy control subjects were detected by DIA-MS and confirmed by *** data demonstrate that the DPHL supports DIA and PRM MS pipelines for robust protein biomarker *** is freely accessible at https://***/page/***?id=IPX0001400000.

关键词： Data-independent acquisition Parallel reaction monitoring Spectral library Prostate cancer Diffuse large B cell lymphoma

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A method for correcting illumination unevenness of solar image 8

A method for correcting illumination unevenness of solar ima...

引用

8th IEEE International Conference on Software Engineering and Service Science, ICSESS 2017

作者： Yang, Hongjuan Ji, Kaifan Yang, Yunfei Duan, Wenliang Deng, Hui Liang, Bo Yunnan Key Lab. of Computer Technology Application/Faculty of Information Engineering and Automation Kunming University of Science and Technology Kunming China Yunnan Observatory Chinese Academy of Sciences Kunming Yunnan China Key Laboratory of Solar Activity National Astronomical Observatories Chinese Academy of Sciences Beijing China

ISBN: (纸本)9781538645703

Traditional correction methods can not be used to correct effectively the solar images with uneven illumination, such as the bilinear interpolation method. We adopt an improved algorithm that combine the background fitting method and the mask method. The algorithm consists of the following main steps: segmenting the image, selecting the sampling points, interpolating the sampling points, calculating the mask, correcting the image. By comparing four evaluation indicators of the corrected image, including the information entropy of the image, the mean brightness, the mean variance and the peak signal-to-noise ratio (PSNR), this improved algorithm is proved to be effectively in the solar images with uneven illumination. © 2017 IEEE.

关键词： Interpolation

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Investigation the Nonlinear Optical properties of Silver Nanoparticles Using Femtosecond Laser

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IOP Conference Series: Materials Science and Engineering 2020年第1期871卷

作者： AL-Aboud Wahed Al-Isawi M. H. Mezher Ali. Z. Ghazi Zahid Heba Abdul-Jaleel Alasady S. T. Yousif Maitham Al-alyawy W. Y. Chong R. Zakaria Sahbudin Shaari Ali. H. Mezher Hala. Musawy Saad H Al-Isawi Afyaa. H Muzher Jaber.k. Taher A. R. Jaber A. Q. Latef B. S. Saleh Iraqi Parliament kufa Najaf Iraq. Computer Technique Engineering Department College of Technical Engineering the Islamic University Najaf Iraq. Ministry of Higher Education and Scientific Research Department of Information Technology Baghdad Iraq. Faculty of Science Edith Cowan University (ECU) Perth Australia. Photonics Research Centre Faculty Science University of Malaya 50603 Kuala Lumpur Malaysia. PTL Institute of Micro Engineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia UKM Bangi Selangor Malaysia. Iraqi Federation of Industries Al-Najaf Industry Chamber Nanotechnology Centre of Industrial Application Najaf Iraq. Specialist Diagnostic PTY LTD Company ST Leonards 2065 Australia. Faculty of Engineering University of kufa- Najaf Iraq.

In this research, the fabrication of silver nanoparticles and experimental nonlinear response (NLO). The fabrication of the silver nanoparticles has been done using E-Beam evaporation on a glass substrate (Ag-NPs) and investigation of their nonlinear optical response (NLO). The silver nanoparticles was evaluated by optical spectrum (UV-Vis) that shows localized surface Plasmon band at 375 nm. The experiment shows the nonlinear absorption and nonlinear refraction effect of silver nanoparticles, the silver nanoparticles is analysed by Z-Scan technique using a femtoseconds laser with 800 nm wavelength. The result shows the nonlinear absorption (NLA) is at 4.87×10−4cmW−1, while (NLR) is at 7.94×10−9cm2W−1.

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GPU Based Hash Segmentation Index for Fast T-overlap Query

GPU Based Hash Segmentation Index for Fast T-overlap Query

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The Third International Conference of Pioneering computer Scientists, Engineers and Educators,ICPCSEE 2017(originally ICYCSEE)

作者： Lianyin Jia Yongbin Zhang Mengjuan Li Jiaman Ding Jinguo You Faculty of Information Engineering and Automation Kunming University of Science and Technology Yunnan Provincial Key Lab of Computer Technologies Application Kunming University of Science and Technology Library Yunnan Normal University

T-overlap query is the basis of set similarity query and has been applied in many important fields. Most existing approaches employ a pruning-and-verification framework, thus in low efficiency. Modern GPU has much higher parallelism as well as memory bandwidth than CPU and can be used to accelerate T-overlap query. In this paper, we use hash segmentation to divide inverted lists into segments, then design an efficient inverted index called GHSII on GPU using hash segmentation. Based on GHSII, a new segmentation parallel T-overlap algorithm, GSPS, is proposed. GSPS uses segment at a time to scan segments and uses shared memory to decrease the number of accesses to device memory. Furthermore, an optimized algorithm called GSPS-TLLO using a heuristic query order is proposed to solve the problem of load *** are carried out on two real datasets and the results show that GSPS-TLLO outperforms the state-of-the-art GPU parallel T-overlap algorithms.

关键词： T-overlap query Hash segmentation Segment at a time Shared memory GHSII GSPS-TLLO

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High-frequency oscillations in the atmosphere above a sunspot umbra

arXiv

引用

arXiv 2018年

作者： Wang, Feng Deng, Hui Bo, L.I. Feng, Song Xianyong, B.A.I. Deng, Linhua Yang, Yunfei Zhike, X.U.E. Wang, Rui School of Physics and Electronic Engineering Guangzhou University Guangzhou510006 China Yunnan Key Laboratory of Computer Technology Application Faculty of Information Engineering and Automation Kunming University of Science and Technology Kunming650500 China Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment Institute of Space Sciences Shandong University Weihai264209 China CAS Key Laboratory of Solar Activity National Astronomical Observatories Beijing100012 China Yunnan Observatories Chinese Academy of Sciences Kunming650216 China

We use high spatial and temporal resolution observations, simultaneously obtained with the New Vacuum Solar Telescope and Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory, to investigate the high-frequency oscillations above a sunspot umbra. A novel time–frequency analysis method, namely the synchrosqueezing transform (SST), is employed to represent their power spectra and to reconstruct the high-frequency signals at different solar atmospheric layers. A validation study with synthetic signals demonstrates that SST is capable to resolving weak signals even when their strength is comparable with the high-frequency noise. The power spectra, obtained from both SST and the Fourier transform, of the entire umbral region indicate that there are significant enhancements between 10 and 14 mHz (labeled as 12 mHz) at different atmospheric layers. Analyzing the spectrum of a photospheric region far away from the umbra demonstrates that this 12 mHz component exists only inside the umbra. The animation based on the reconstructed 12 mHz component in AIA 171 Å illustrates that an intermittently propagating wave first emerges near the footpoints of coronal fan structures, and then propagates outward along the structures. A time–distance diagram, coupled with a subsonic wave speed (∼ 49 km s−1), highlights the fact that these coronal perturbations are best described as upwardly propagating magnetoacoustic slow waves. Thus, we first reveal the high-frequency oscillations with a period around one minute in imaging observations at different height above an umbra, and these oscillations seem to be related to the umbral perturbations in the photosphere. Copyright © 2018, The Authors. All rights reserved.

关键词： Magnetohydrodynamics

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