Filters








749,340 Hits in 4.1 sec

Directed virtual reductions [chapter]

Vincent Danos, Marco Pedicini, Laurent Regnier
1997 Lecture Notes in Computer Science  
This note de nes a new graphical local calculus, directed virtual reductions.  ...  The directed virtual reduction has been designed to keep those terms at order one. A further synchronization, the combustion strategy will even wipe out rst order correction terms.  ...  Directed virtual reduction of a directed virtual net is a particular case of virtual reduction (as de ned in 4]).Indeed, the new weight of under a virtual reduction is:(1 ? bb ?  ... 
doi:10.1007/3-540-63172-0_33 fatcat:cj6ea3hd4bgdlpeb5jbmm66np4

Pattern-directed circuit virtual partitioning for test power reduction

Qiang Xu, Dianwei Hu, Dong Xiang
2007 2007 IEEE International Test Conference  
In this paper, we propose a novel low-power virtual test partitioning technique without the above-mentioned shortcomings.  ...  Figure 6 . 6 Procedure for routing-aware pattern-directed circuit virtual partitioning.  ...  Figure 4 . 4 Procedure for pattern-directed circuit virtual partitioning. Figure 5 . 5 Care-bits distribution cost.  ... 
doi:10.1109/test.2007.4437633 dblp:conf/itc/XuHX07 fatcat:7wf3pa6bejfdfh4bxsoxyu4q7a

Using an information reduction model in hypertext virtual node as a direction for solving the data explosion problem

Offer Drori
1995 ACM SIGWEB Newsletter  
This article deals with an on-line system that manages a large database in a reduction model under hypertext virtual node.  ...  The definition of a model for information reduction and the creation of an essential logical database. 3. The development of models and an apparatus for automatic data analysis.  ...  Our software -LIDS )logical information database system( uses a virtual node that implements the principle of vast data reduction into a virtual node by rules that were set in advance.  ... 
doi:10.1145/219608.219612 fatcat:xpcl7r3pjzhtlf7ns7br7wts74

Analysis for Clinical Effect of Virtual Windowing and Poking Reduction Treatment for Schatzker III Tibial Plateau Fracture Based on 3D CT Data

Huafeng Zhang, Zhijun Li, Qian Xu, Yuan Zhang, Ke Xu, Xinlong Ma
2015 BioMed Research International  
Fourteen were treated with preoperative virtual design and assisted operation (virtual group) and 18 with direct open reduction and internal fixation (control group).Results.  ...  To explore the applications of preoperative planning and virtual surgery including surgical windowing and elevating reduction and to determine the clinical effects of this technology on the treatment of  ...  (c) Creation of a surgical windowing and elevating reduction in the virtual and actual surgeries.  ... 
doi:10.1155/2015/231820 pmid:25767804 pmcid:PMC4341848 fatcat:n6krtccbmzhtzlhkn4aekenxcy

Challenges and solutions for realistic room simulation

Durand R. Begault
2002 Journal of the Acoustical Society of America  
Background • Perception of the acoustical environmental context • Basic technique of auralization (virtual room synthesis) Challenges for improved simulation • Determining acceptable data reduction in  ...  Recording a directional impulse response for post- processing of directional information Challenges: -adequate yet reasonable sampling of sources & receivers -directivity data for sound sources  ...  -Improved "realism" ,"immersion" in virtual enviroments (experiments; entertainment; training) Simulations of musical performance (as player or listener) in particular seem incomplete without tactile cues  ... 
doi:10.1121/1.4778391 fatcat:wicb6oqpwvbuhbrjlzcahvqlmq

Virtual Prototype Simulation for Vibration Analysis with Optimum Dumping Characterization under High Impact Shovel Loading Conditions

2019 International Journal of Mining Science  
Current work signifies and illustrates how the impact force reductions at the truck body surface translates into a significant reduction in the vibration levels for large capacity dump trucks at the operator's  ...  Percent Reduction in RMS values (vertical direction) at Truck SeatFigures 11 and 12 graphically displays the reduction achieved in the vibration specifically at the truck operator's seat in the vertical  ...  The original virtual model was slightly modified by reversing two of the positioning coordinates, y and z directions to updown and rightleft motions, respectively.  ... 
doi:10.20431/2454-9460.0503003 fatcat:4yyt3gdn4zcbpeiwx5mb4kpxzi

A Virtual Aluminum Reduction Cell

Hongliang Zhang, Chenn Q. Zhou, Bing Wu, Jie Li
2013 JOM: The Member Journal of TMS  
Then, the methodology of combining the simulation results with virtual reality was introduced, and a virtual aluminum reduction cell was created.  ...  The current study focused on the integration of numerical simulation data and virtual reality technology to create a scientifically and practically realistic virtual aluminum reduction cell by presenting  ...  VR) needs to be directed.  ... 
doi:10.1007/s11837-013-0743-8 fatcat:y7keaviuxnc6div37qtk5hx67u

The vibration reduction design of single-cylinder engine based on the balance shaft

Feng Yu, Jun Xie, Zhong Ming Xu
2019 Vibroengineering PROCEDIA  
In order to reduce the inertia force and torque of this ICE, the uniaxial balance method was used to carry out the vibration reduction design based on the balance shaft.  ...  A 3d model of crank connecting rod of a single cylinder internal combustion engine (ICE) is established, whose force analysis was carried out in ADAMS/VIEW using virtual prototyping method.  ...  In a word, the dynamic model is accurate and reliable for subsequent vibration reduction design based on the balance shaft. a) Theoretical calculation method b) Virtual experimental method Fig. 2 .  ... 
doi:10.21595/vp.2019.20651 fatcat:mvpd6lwnwvhybhju5jwdfb2jji

Virtual frequency encoding: Achieving symmetry ink-space

R. Scott Hinks, J. Andrew Derbyshire, Patrick L. Leroux
1998 Magnetic Resonance in Medicine  
Fig. 1 : 1 Virtual  ...  Modification of the imaging pulse sequence to add a time-dependence in the phase encoding direction (Figure 1 ) makes it also sensitive to off-resonance distortion resulting in a virtual frequency encoding  ... 
doi:10.1002/mrm.1910390622 pmid:9621928 fatcat:fnwesdx4vvfefo7qesewum34tu

Independent Registration and Virtual Controlled Reduction of Pelvic Ring Fractures [chapter]

T. Hüfner, M. Citak, S. Tarte, J. Geerling, T. Pohlemann, H. Rosenthal, L. P. Nolte, C. Krettek
2001 Lecture Notes in Computer Science  
One examiner performed both visual and virtual controlled reduction. To measure the residual displacement a magnetic motion tracking device was used.  ...  representation while reduction occurs.  ...  A comparison of outcomes was done using systematic error analysis between direct and virtual controlled reduction. Statistical analysis was done using the Levene test and a nonpaired t test.  ... 
doi:10.1007/3-540-45468-3_132 fatcat:wuy2oyd7pbb45pz6id4lbtpo3i

Comparisons of Two Virtual Sensing Methods for Broadband Noise

Reo Maeda, Yoshinobu Kajikawa
2019 Proceedings of the ICA congress  
To solve this issue, some virtual sensing techniques have been already proposed and examined. These techniques can create the maximum noise reduction at the desired positions.  ...  Hence, the users for ANC systems may not get sufficient noise reduction if the user's ears are apart from the error microphones.  ...  We summarized the average noise reduction level for three head direction in Table 2 .  ... 
doi:10.18154/rwth-conv-239039 fatcat:xhilwpruezct3afoitzlz7mkku

Experiments on reducing standby current for compilable SRAM using hidden clustered source line control

Meng-Fan Chang, Ding-Ming Kwai, Sue-Meng Yang, Yung-Fa Chou, Ping-Cheng Chen
2007 2007 7th International Conference on ASIC  
The HCSLC SRAM achieves 69%~77% reductions of standby current for various processes, supply voltages and temperatures (PVT).  ...  The HCSLC scheme utilizes meshed multiple source line control to reduce the fluctuations of virtual ground voltages that are caused by IR drops and process variations.  ...  direction.  ... 
doi:10.1109/icasic.2007.4415810 fatcat:mpueq3rjvjfzvhuiyzj5vy7bki

Data Reduction for Time-of-Flight Small-Angle Neutron Scattering with Virtual Neutrons [article]

Rong Du, HaoLai Tian, TaiSen Zuo, Ming Tang, LiLi Yan, JunRong Zhang
2017 arXiv   pre-print
In this study, reduction algorithms for TOF SANS data are developed and optimized using simulated data from a virtual neutron experiment.  ...  Therefore, data reduction must be handled very carefully to transform measured neutron events into neutron scattering intensity.  ...  transmission and direct beam.  ... 
arXiv:1701.04153v1 fatcat:d5bdfi7iqbdrza2eovvbiboc24

Effect of Different Premolar Endocrown Preparation Designs on the Trueness of Different Virtual Impression Techniques

Ghada Hussein
2020 Egyptian dental journal  
Scanning direct impression produce more accurate virtual impression. KEY WORDS: Endocrown preparations, premolar endocrowns , virtual impression technique (2642) Ghada Abdel Fattah E.D.  ...  Anatomical reductions showed statistically significant higher trueness when compared to flat occlusal reduction.  ...  As for virtual impression technique, although there were no significant differences between direct Trios 3Shape scanning and impression scanning.  ... 
doi:10.21608/edj.2020.42549.1255 fatcat:5hp7wp4pqbglzf2ytmbr5mi3pi

Application of Virtual Reality Technology in Analysis of the Three-Dimensional Evaluation System of Rural Landscape Planning

Jing Li, Tao Hou, Sang-Bing Tsai
2021 Mathematical Problems in Engineering  
in virtual reality is getting deeper and deeper.  ...  Based on these two extreme development trends, this article uses virtual reality technology to construct a rural landscape virtual-roaming system, and randomly select 25 people, each group of 5 people,  ...  Specify the direction of feature points.  ... 
doi:10.1155/2021/6693143 fatcat:prfjprhklrclfirt34wvchiism
« Previous Showing results 1 — 15 out of 749,340 results