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检索条件"主题词=Projection algorithms"
820 条 记 录,以下是151-160 订阅
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Combined natural convection and radiation in a vertical annulus
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HEAT AND MASS TRANSFER 1996年 第6期31卷 371-379页
作者: Weng, LC Chu, HS NATL CHIAO TUNG UNIV DEPT ENGN MECHHSINCHU 30050TAIWAN
This paper presents a numerical study of the effects of thermal radiation on the heat transfer of steady natural convection in a participating fluid contained inside a cylindrical annulus. The fluid absorbs and emits ... 详细信息
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Rotational motion estimation for ISAR via triangle pose difference on two range-Doppler images
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IET RADAR SONAR AND NAVIGATION 2010年 第4期4卷 528-536页
作者: Yeh, C. -M. Xu, J. Peng, Y. -N. Xia, X. -G. Wang, X. -T. Tsinghua Univ Dept Elect Engn Beijing 100084 Peoples R China Univ Delaware Dept Elect & Comp Engn Newark DE USA
Rotational motion estimation is essential for inverse synthetic aperture radar (ISAR) imaging and understanding. For an object rotating with a constant acceleration, a closed-form solution is proposed to jointly estim... 详细信息
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Alternating projections and Douglas-Rachford for Sparse Affine Feasibility
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2014年 第18期62卷 4868-4881页
作者: Hesse, Robert Luke, D. Russell Neumann, Patrick Univ Gottingen Inst Numer & Angew Math D-37083 Gottingen Germany
The problem of finding a vector with the fewest nonzero elements that satisfies an underdetermined system of linear equations is an NP-complete problem that is typically solved numerically via convex heuristics or nic... 详细信息
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Evaluation of the impact of finite-resolution effects on scintillation compensation using two deformable mirrors
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 2001年 第12期18卷 3098-3109页
作者: Barchers, JD USAF Res Lab Starfire Opt Range Directed Energy Directorate Kirtland AFB NM 87117 USA
The impact of finite-resolution deformable mirrors and wave-front sensors is evaluated as it applies to full-wave conjugation using two deformable mirrors. The first deformable mirror is fixed conjugate to the pupil, ... 详细信息
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Quantitative Analysis and Interpretation of Transient Electromagnetic Data via Principal Component Analysis
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IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2012年 第5期50卷 1910-1918页
作者: Kass, M. Andy Li, Yaoguo Colorado Sch Mines Ctr Grav Elect & Magnet Studies Golden CO 80401 USA
Transient electromagnetic (TEM) data in applied geophysics are invariably contaminated by random and coherent noise associated with acquisition, geology, and the environment. Advanced unexploded ordnance (UXO) detecti... 详细信息
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Fast and Accurate Amplitude Demodulation of Wideband Signals
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2021年 69卷 4039-4054页
作者: Gabrielaitis, Mantas IST Austria A-3400 Klosterneuburg Austria
Amplitude demodulation is a classical operation used in signal processing. For a long time, its effective applications in practice have been limited to narrowband signals. In this work, we generalize amplitude demodul... 详细信息
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ROBUST ADAPTIVE REGULATION WITHOUT PERSISTENT EXCITATION
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IEEE TRANSACTIONS ON AUTOMATIC CONTROL 1989年 第12期34卷 1260-1267页
作者: LOZANOLEAL, R NASA LANGLEY RES CTRHAMPTONVA 23665
A globally convergent adaptive regulator for minimum or nonminimum phase systems subject to bounded disturbances is presented. The control strategy is designed for a particular input-output representation obtained fro... 详细信息
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Reconstruction of compact binary images from limited Fourier amplitude data
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 2008年 第10期25卷 2600-2607页
作者: Lo, V. L. Millane, R. P. Univ Canterbury Dept Elect & Comp Engn Computat Imaging Grp Christchurch 1 New Zealand
The problem of reconstructing a binary image from undersampled Fourier amplitude data is considered. This problem maps to an image reconstruction problem in x-ray crystallography. The binary constraint is sufficient t... 详细信息
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Non-Linear Reconstruction of Delta-Sigma Modulated Signals: Randomized Surrogate Constraint Decoding Algorithm
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2013年 第21期61卷 5361-5373页
作者: Marijan, Malisa Ignjatovic, Zeljko Univ Rochester Rochester NY 14627 USA
Delta-sigma (Delta Sigma) A/D conversion is a popular technique used to achieve high resolution data conversion for low to moderate bandwidth applications. It is commonly accepted that the digital circuitry of the Del... 详细信息
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Ultrasonic tomographic imaging of temperature and flow fields in gases using air-coupled capacitance transducers
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JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 1998年 第6期104卷 3446-3455页
作者: Wright, WMD Schindel, DW Hutchins, DA Carpenter, PW Jansen, DP Univ Warwick Dept Engn Coventry CV4 7AL W Midlands England NRC Inst Aerosp Res Ottawa ON K1A 0R6 Canada Ontario Hydro Technol Toronto ON M8Z 5S4 Canada
A pair of air-coupled ultrasonic capacitance transducers with polished metal backplates have been used to image temperature and Bow fields in gases using ultrasonic tomography. Using a filtered back-projection algorit... 详细信息
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