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4th International Conference on Frontiers of Manufacturing Science and Measuring technology, ICFMM 2014

作者： Liu, Wei Hua Zhang, Yun Chen, Ying Fu Wang, Lei Liu, Jian Cheng Department of Scientific Research Naval Aeronautical and Astronautical University Yantai 264001 China Department of Airborne Vehicle Engineering Naval Aeronautical and Astronautical University Yantai 264001 China Unit 77120 of PLA Chengdu 610036 China College of Automation and Electronic Engineering Qingdao University of Science and Technology Qingdao 266001 China Unit 92635 of PLA Qingdao 266001 China

ISBN: (纸本)9783038351924

A novel blind source separation (BSS) algorithm for linear mixture signals is proposed. It is shown that the property can be used to separate source signals by finding an un-mixing matrix that maximizes the cost function value of separated signals. Simulation results illustrate the efficiency and the good performance of the algorithm. © (2014) Trans Tech Publications, Switzerland.

关键词： Blind source separation

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Research on Comparison and Evaluation Studies of Several Smoothing Denoising Method Based on γ-ray Spectrum Detector

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Journal of Harbin Institute of technology(New Series) 2013年第2期20卷 7-11页

作者： Jian-Feng He Fang Fang Yao-Zong Yang Yue-Shun He Bin Tang College of Nuclear Technology and Automation Engineering Chengdu University of Technology Key Laboratory of Radioactive Geology and Exploration Technology Fundamental Science for National Defense East China Institute of Technology

The extraction of spectral parameters is very difficult because of the limited energy resolution for NaI （TI） gamma-ray detectors. For statistical fluctuation of radioactivity under complex environment, some smoothing filtering methods are proposed to solve the problem. These methods include adopting method of arithmetic moving average, center of gravity, least squares of polynomial, slide converter of discrete funcion convolution etc. The process of spectrum data is realized, and the results are assessed in H/FWHM（ Peak High/Full Width at Half Maximum） and peak area based on the Matlab programming. The results indicate that different methods smoothed spectrum have respective superiority in different ergoregion, but the Gaussian function theory in discrete function convolution slide method is used to filter the complex y-spectrum on Embedded system nlatform, and the statistical fluctuation of y-snectrum filtered wall.

关键词： T-spectrum data-processing smoothing denoising method comparison and evaluation matlabprogramming

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The design of pattern generator module in a data synthesized analyzer

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Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument 2014年第12 SUPPL.期34卷 72-77页

作者： Han, Xili Yang, Wanyu College of Automation Engineering University of Electronic Science and Technology of China Chengdu 611731 China

This paper presents a project of data synthesized analyzer which integrated by a logic analyzer and a pattern generator, and described the design of pattern generator in detail which connected to PCI via interface circuit designed in FPGA. The pattern generator's Clock output rate is 300 MHz maximum, and it has 64 output channels which every one has 64M depths realized by dynamic storage onboard. Many types of code message are provided as well as users can conveniently enter data blocks in list editor or waveform editor. Equipped with various drivers users can get TTL,LVTTL,CMOS,LVDS,PECL,LVPECL,ECL outputs.

关键词： Digital storage

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Another general analytic construction for wavelet lowpassed filters

Another general analytic construction for wavelet lowpassed ...

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International Conference on Wavelet Active Media technology and Information Processing (ICWAMTIP)

作者： Xinshuo Li Jianping Li Yuanyan Tang College of Automation Chongqing University Chongqing China School of Computer Science and Engineering University of Electronic and Technology of China Chengdu China Department of Computer Science Hong Kong Baptist University Hong Kong

ISBN: (纸本)9781479972098

The orthogonal wavelet lowpassed filters coefficients with arbitrary length are constructed in this paper. When N=2k and N= 2 k-1 , the general analytic constructions of orthogonal wavelet filters are put forward, respectively. The famous Daubechies filter and many other wavelet filters are tested by the proposed novel method, which is very useful for wavelet theory research and many applications areas such as pattern recognition.

关键词： Wavelet analysis Filtering theory Algorithm design and analysis Signal processing algorithms Wavelet transforms Computer science Vectors

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Independent measurement of the neutrino mixing angle θ13 via neutron capture on hydrogen at Daya Bay

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Physical Review D 2014年第7期90卷 071101(R)-071101(R)页

作者： F. P. An A. B. Balantekin H. R. Band W. Beriguete M. Bishai S. Blyth I. Butorov G. F. Cao J. Cao Y. L. Chan J. F. Chang L. C. Chang Y. Chang C. Chasman H. Chen Q. Y. Chen S. M. Chen X. Chen Y. X. Chen Y. Chen Y. P. Cheng J. J. Cherwinka M. C. Chu J. P. Cummings J. de Arcos Z. Y. Deng Y. Y. Ding M. V. Diwan E. Draeger X. F. Du D. A. Dwyer W. R. Edwards S. R. Ely J. Y. Fu L. Q. Ge R. Gill M. Gonchar G. H. Gong H. Gong W. Q. Gu M. Y. Guan X. H. Guo R. W. Hackenburg G. H. Han S. Hans M. He K. M. Heeger Y. K. Heng P. Hinrichs Y. K. Hor Y. B. Hsiung B. Z. Hu L. M. Hu L. J. Hu T. Hu W. Hu E. C. Huang H. Huang X. T. Huang P. Huber G. Hussain Z. Isvan D. E. Jaffe P. Jaffke K. L. Jen S. Jetter X. P. Ji X. L. Ji H. J. Jiang J. B. Jiao R. A. Johnson L. Kang S. H. Kettell M. Kramer K. K. Kwan M. W. Kwok T. Kwok W. C. Lai K. Lau L. Lebanowski J. Lee R. T. Lei R. Leitner A. Leung J. K. C. Leung C. A. Lewis D. J. Li F. Li G. S. Li Q. J. Li W. D. Li X. N. Li X. Q. Li Y. F. Li Z. B. Li H. Liang C. J. Lin G. L. Lin P. Y. Lin S. K. Lin Y. C. Lin J. J. Ling J. M. Link L. Littenberg B. R. Littlejohn D. W. Liu H. Liu J. L. Liu J. C. Liu S. S. Liu Y. B. Liu C. Lu H. Q. Lu K. B. Luk Q. M. Ma X. Y. Ma X. B. Ma Y. Q. Ma K. T. McDonald M. C. McFarlane R. D. McKeown Y. Meng I. Mitchell J. Monari Kebwaro Y. Nakajima J. Napolitano D. Naumov E. Naumova I. Nemchenok H. Y. Ngai Z. Ning J. P. Ochoa-Ricoux A. Olshevski S. Patton V. Pec J. C. Peng L. E. Piilonen L. Pinsky C. S. J. Pun F. Z. Qi M. Qi X. Qian N. Raper B. Ren J. Ren R. Rosero B. Roskovec X. C. Ruan B. B. Shao H. Steiner G. X. Sun J. L. Sun Y. H. Tam X. Tang H. Themann K. V. Tsang R. H. M. Tsang C. E. Tull Y. C. Tung B. Viren V. Vorobel C. H. Wang L. S. Wang L. Y. Wang M. Wang N. Y. Wang R. G. Wang W. Wang W. W. Wang X. Wang Y. F. Wang Z. Wang Z. M. Wang D. M. Webber H. Y. Wei Y. D. Wei L. J. Wen K. Whisnant C. G. White L. Whitehead T. Wise H. L. H. Wong S. C. F. Wong E. Worcester Q. Wu D. M. Xia J. K. Xia X. Xia Z. Z. Xing J. Y. Xu J. L. Xu J. Xu Y. Xu T. Xue J. Yan C. C. Yang L. Yang Institute of Modern Physics East China University of Science and Technology Shanghai University of Wisconsin Madison Wisconsin 53706 USA Brookhaven National Laboratory Upton New York 11973 USA Department of Physics National Taiwan University Taipei Joint Institute for Nuclear Research Dubna Moscow Region Institute of High Energy Physics Beijing Chinese University of Hong Kong Hong Kong Institute of Physics National Chiao-Tung University Hsinchu National United University Miao-Li Shandong University Jinan Department of Engineering Physics Tsinghua University Beijing North China Electric Power University Beijing Shenzhen University Shenzhen Siena College Loudonville New York 12211 USA Department of Physics Illinois Institute of Technology Chicago Illinois 60616 USA Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Physics University of Illinois at Urbana-Champaign Urbana Illinois 61820 USA Chengdu University of Technology Chengdu Shanghai Jiao Tong University Shanghai Beijing Normal University Beijing College of William and Mary Williamsburg Virginia 23186 USA Department of Physics Yale University New Haven Connecticut 06520 USA Center for Neutrino Physics Virginia Tech Blacksburg Virginia 24061 USA China Institute of Atomic Energy Beijing School of Physics Nankai University Tianjin Department of Physics University of Cincinnati Cincinnati Ohio 45220 USA Dongguan University of Technology Dongguan Department of Physics University of California Berkeley California 94720 USA Department of Physics The University of Hong Kong Hong Kong Department of Physics University of Houston Houston Texas 77004 USA Faculty of Mathematics and Physics Charles University Prague University of Science and Technology of China Hefei Sun Yat-Sen (Zhongshan) University Guangzhou Joseph Henry Laboratories Princeton University Princeton New Jersey 08544 USA California Institute of Technology Pasadena California 91125 USA Xi’an Jiaoton

A new measurement of the θ13 mixing angle has been obtained at the Daya Bay Reactor Neutrino Experiment via the detection of inverse beta decays tagged by neutron capture on hydrogen. The antineutrino events for hydrogen capture are distinct from those for gadolinium capture with largely different systematic uncertainties, allowing a determination independent of the gadolinium-capture result and an improvement on the precision of the θ13 measurement. With a 217-day antineutrino data set obtained with six antineutrino detectors and from six 2.9 GWth reactors, the rate deficit observed at the far hall is interpreted as sin22θ13=0.083±0.018 in the three-flavor oscillation model. When combined with the gadolinium-capture result from Daya Bay, we obtain sin22θ13=0.089±0.008 as the final result for the six-antineutrino-detector configuration of the Daya Bay experiment.

关键词： nuclear reactors BETA decay NEUTRON capture GADOLINIUM ANTINEUTRINOS

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Modelling and simulation of containment retention factor for can-type containment

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International Journal of nuclear Energy Science and technology 2014年第4期8卷 333-350页

作者： Mehboob, Khurram Park, Kwangheon Ahmed, Raheel COMSATS Institute of Information Technology Chack Shehzad Park Road Islamabad46000 Pakistan Department of Nuclear Engineering Kyung Hee University Yongin-si446-701 Korea Republic of College of Automation Harbin Engineering University 145-31 Nantong street Harbin150001 China

Severe accidents cause the failure of fission product barriers and allow the fission products to escape into the environment. The containment is the last barrier for fission products. Thus, containment spray system, heat removal system, recirculation filtration system, Containment Filtered Venting System (CFVS) and containment exhaust filtration system are installed in the containment to mitigate the exposure to environment. In this work, modelling and simulation of the Containment Retention Factor (CRF) have been carried out for the can-type PWR containment considering a 1000 MWe PWR. Computational modelling and simulation have been carried out by developing a kinetic code in MATLAB, which uses the containment-specific activity available after the accident. The kinetic dependency of CRF in terms of containment filtration systems and spray system with caustic and boric acid spray has been carried out. For noble gases, iodine and aerosols, the CRF increases with the increase in exhaust rate, while with the containment spray flow rate, the CRF for iodine first increases and then starts reducing with significant magnitude. © 2014 Inderscience Enterprises Ltd.

关键词： Aerosols

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The Influence of the Soil Moisture to Spectrum of Nature Radiation

The Influence of the Soil Moisture to Spectrum of Nature Rad...

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7th International Symposium on Radiation Safety and Detection technology(第七届国际声辐射安全与检测技术研讨会)(ISORD-7)

作者： Qingxian,ZHANG YiGU Liangquan,GE Guoqiang,ZENG The College of Applied Nuclear Technology and Automation Engineering Chengdu University of Technology Chengdu 610059

The nature radiation is mainly from the radioelement in soil, as uranium, thorium and their *** the moisture of soil change, radon released from soil to air changes.

关键词： natural radioactivity gamma-ray soil moisture Monte Carlo method

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A novel numerical module for an analog low-pass signal filter

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International Symposium and 9th Asian Regional Conference of IAEG "Global View of engineering Geology and the Environment"

作者： Zhu, Xing Xu, Qiang Deng, Maolin Zheng, Guang Li, Jiang Zhou, Jianbin Wang, Min Li, Zhenhua State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu Sichuan China College of Nuclear Technology and Automation Engineering Chengdu University of Technology Chengdu Sichuan China Network Center China West Normal University Nanchong Sichuan China

ISBN: (纸本)9781138000780

This paper presents the time-domain discrete mathematical module of the Sallen-Key low-pass active analog filter based on the analysis of circuit principle. The novel numerical module can be applied in digital signal processing engineering to avoid the selection of the complex parameters of analog circuit and the self-vibration and other bad effects. The authors carried out a simulation for this numerical model using simple C language programming in Matlab environment. And the test results show that the module can improve the signal-to-noise (S/N) ratio, and avoid the self-excited oscillation phenomenon effectively. Furthermore, this module is simple, fast speed and can be achieved easily through very simple programming. © 2013 Taylor & Francis Group, London.

关键词： Time domain analysis

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Vertical Zoning Characteristics of Trace Element in Zoige 510-1 Uranium Deposit,Sichuan Province,China

Vertical Zoning Characteristics of Trace Element in Zoige 51...

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The First Joint Scientific Meeting of Geological Society of China (GSC) and Geological Society of America (GSA) (Roof of the world)

作者： CHEN Youliang YE Yongqin SONG Hao CHANG Dan The College of Nuclear Technology and Automation Engineering Chengdu University of Technology

The Zoige uranium ore field is located in the junction region of the Zoige County in northwest of Aba State of Sichuan Province,Diebu County and Luqu County of Gansu *** ore field,distributing nearly EW,is almost 50km in length,6km in width,00km in area,and 2900～4060 meters in *** one of the extremely valuable and promising uranium resource base

关键词： Uranium deposit Vertical zoning Trace element Zoige

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Novel control platform development for PMLSM drive system based on virtual instrument

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9th International Symposium on Linear Drives for Industry Applications, LDIA 2013

作者： Jin, Jian Xun Xu, Wei Chen, Yan Guo, You Guang Zhu, Jian Guo School of Automation Engineering UESTC Chengdu China College of Electrical and Electronics Engineering Huazhong University of Science and Technology China University of Technology Sydney Australia

ISBN: (纸本)9783037858639

A novel control platform for the permanent magnet linear synchronous motor (PMLSM) drive system has been built up based on virtual instrument (VI) and relavant data acquisition card (DAQ) devices. In the traditional control platform, it mostly depends on digital signal processor (DSP), which needs a lot of time to further develop the interface between the personal computer (PC) and operators, and its computational capability is not strong than computer. To overcome these shortages, a novel control platform is presented on the base of one PC, one LabVIEW, and one multifunctional data acquisition card. Firstly, a space vector pulse width modulation (SVPWM) signal source is executed in the VI. Then in order to improve the precision of control system, the field oriented control (FOC) is proposed for the PMLSM. Finally comprehensive experiments verify with relative simulations. © (2013) Trans Tech Publications, Switzerland.

关键词： Vector control (Electric machinery)

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