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检索条件"主题词=Fitting Algorithm"
52 条 记 录,以下是11-20 订阅
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Multi-surface phase-shifting algorithm using the window function fitted by the nonlinear least squares method
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JOURNAL OF MODERN OPTICS 2022年 第3期69卷 160-171页
作者: Chang, Lin Valyukh, Sergiy He, Tingting Chen, Zhu Yu, Yingjie Shanghai Univ Dept Precis Mech Engn Shanghai 200072 Peoples R China Linkoping Univ Dept Phys Chem & Biol Linkoping Sweden
A multi-surface phase demodulation algorithm is proposed to measure surfaces of the transparent plate simultaneously. A non-linear least-squares method based on the trust region is utilized to fit the window function ... 详细信息
来源: 评论
Technical Note: In silico and experimental evaluation of two leaf-fitting algorithms for MLC tracking based on exposure error and plan complexity
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MEDICAL PHYSICS 2019年 第4期46卷 1814-1820页
作者: Caillet, Vincent O'Brien, Ricky Moore, Douglas Poulsen, Per Pommer, Tobias Colvill, Emma Sawant, Amit Booth, Jeremy Keall, Paul Northern Sydney Canc Ctr Sydney NSW Australia Univ Sydney Sydney Med Sch ACRF Image X Inst Sydney NSW Australia Arizona State Univ Ctr Fundamental Concepts Sci Tempe AZ USA Aarhus Univ Aarhus Denmark Karolinska Univ Hosp Unit Radiotherapy Phys & Engn Solna Sweden Univ Maryland Sch Med Dept Radiat Oncol Baltimore MD 21201 USA
PurposeMultileaf collimator (MLC) tracking is being clinically pioneered to continuously compensate for thoracic and pelvic motion during radiotherapy. The purpose of this work was to characterize the performance of t... 详细信息
来源: 评论
Line Measurement of Multi-Beam Sounding System Based on Annealing algorithm
Line Measurement of Multi-Beam Sounding System Based on Anne...
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2023 IEEE International Conference on Electrical, Automation and Computer Engineering, ICEACE 2023
作者: Yan, Xiaochen Lv, Lingfeng Xi, Rui Nanjing University of Aeronautics and Astronautics Nanjing China
For a group of parallel survey lines with sloping sea floor at a certain Angle to the horizontal plane, the total path of the route is different when the Angle projected by the normal direction of the slope changes. T... 详细信息
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Axial peak extraction in the measurement of subsurface structures with annular illumination confocal microscopy
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SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES 2024年 第3期12卷 035030-035030页
作者: Jiang, Yong Liu, Chenguang Zou, Chongliang Liu, Jian Harbin Inst ofTechnol Adv Microscopy & Instrumentat Res Ctr Sch Instrumentat Sci & Engn Harbin 150001 Peoples R China
Three-dimensional dark-field confocal microscopy (DFCM) using annular illumination and complementary detection apertures is capable of detecting subsurface defects in ultra-precision optical components. In this study,... 详细信息
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Fast and accurate position verification algorithms for dose delivery system in proton therapy scanning nozzle system
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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 2021年 986卷 164719-164719页
作者: Lin, Yinjie Tan, Ping Guo, Huidong Zhang, Lige Lei, Hao Yu, Yecheng Li, Xingyu Huazhong Univ Sci & Technol State Key Lab Adv Electromagnet Engn & Technol Sch Elect & Elect Engn Wuhan 430074 Hubei Peoples R China
The spot position and size of a proton beam are critical parameters in the scanning dose delivery system. They need to be validated efficiently and accurately. But the traditional methods work poorly in some non-ideal... 详细信息
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Random changepoint segmented regression with smooth transition
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STATISTICAL METHODS IN MEDICAL RESEARCH 2021年 第3期30卷 643-654页
作者: Singer, Julio M. Rocha, Francisco M. M. Pedroso-de-Lima, Antonio Carlos Silva, Giovani L. Coatti, Giuliana C. Zatz, Mayana Univ Sao Paulo Dept Estat Rua Matao 1010 BR-05508090 Sao Paulo SP Brazil Univ Fed Sao Paulo Dept Multidisciplinar Escola Paulista Polit Econ & Negocios Sao Paulo SP Brazil Univ Lisbon Dept Matemat IST Lisbon Portugal Univ Lisbon CEAUL Lisbon Portugal Univ Sao Paulo Inst Biociencias Sao Paulo Brazil
We consider random changepoint segmented regression models to analyse data from a study conducted to verify whether treatment with stem cells may delay the onset of a symptom of amyotrophic lateral sclerosis in geneti... 详细信息
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Improvement and Performance Evaluation of a Dual-Probe Heat Pulse Distributed Temperature Sensing Method Used for Soil Moisture Estimation
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SENSORS 2022年 第19期22卷 7592页
作者: Yao, Jun-Cheng Shi, Bin Liu, Jie Sun, Meng-Ya Fang, Ke Yao, Jian Gu, Kai Zhang, Wei Zhang, Ji-Wen Nanjing Univ Sch Earth Sci & Engn Nanjing 210023 Peoples R China Hohai Univ Sch Earth Sci & Engn Nanjing 210098 Peoples R China Jiangsu Prov Engn Invest & Res Inst Co Ltd Yangzhou 225002 Jiangsu Peoples R China China JK Inst Engn Invest & Design Co Ltd Xian 710043 Peoples R China
Large-scale measurements of soil moisture play a critical role in many fields, such as agriculture, hydrology, and engineering. The distributed temperature sensing (DTS) technology, based on a dual-probe heat pulse (D... 详细信息
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IVIM MRI - Evolution from DWI, Observations, Challenges and Relevance of pre and post processing phases  5
IVIM MRI - Evolution from DWI, Observations, Challenges and ...
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5th International Conference on Electrical, Electronics, Communication, Computer Technologies and Optimization Techniques (ICEECCOT)
作者: Raju, Jini Amma, Ushadevi C. John, Ansamma APJ Abdul Kalam Technol Univ Thangal Kunju Musaliar Coll Engn Dept Comp Sci & Engn Kollam Kerala India Amrita Vishwa Vidhyapeetham Dept Elect & Commun Engn Amritapuri Campus Kollam Kerala India
Intravoxel Incoherent Motion Magnetic Resonance Imaging(IVIM MRI) is a quantitative, non invasive imaging technique that exploits perfusion and diffusion properties of tissues. Even though IVIM has grown in popularity... 详细信息
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Experimentally study of dynamic pressure distribution and oil film forces in journal bearing using ElectroMechanical Film sensor array
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 2020年 第4期234卷 903-913页
作者: Chen, Changmin Jing, Jianping Cong, Jiqing Ji, Chao Shanghai Jiao Tong Univ State Key Lab Mech Syst & Vibrat Dongchuan Rd 800 Shanghai 200240 Peoples R China Shanghai Jiao Tong Univ Gas Turbine Res Inst Shanghai Peoples R China Shanghai Jiao Tong Univ Shock & Noise Lab Fundamental Sci Vibrat Shanghai Peoples R China
The acquisition of the oil film pressure and forces on the bearing pads through experimentation is crucial to understanding the characteristics of journal bearing. Lots of efforts had been taken in film pressure measu... 详细信息
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Study of the Curve fitting algorithm for NC Machining Graphics
Study of the Curve Fitting Algorithm for NC Machining Graphi...
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8th International Conference on Computer Science and Education (ICCSE)
作者: Xu Jishui Zhang Zipeng Wang Shuqing Wuhan Univ Sch Power & Mech Engn Wuhan 430072 Peoples R China
In the process of NC machining, the precise computation of machining graphical path is the key to guarantee machining precision. In curve fitting, it is difficult to fit curve just only using straight line. The combin... 详细信息
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