نتایج جستجو برای: saft vr

تعداد نتایج: 9042  

2003
Clare McCabe Amparo Galindo Peter T. Cummings

Recent theoretical and simulation studies suggest an unexpected shift in the solubility of n-alkanes in nearcritical water, which would indicate that longer n-alkane molecules are more soluble than shorter ones. This trend is contrary to what one finds at ambient conditions, where longer alkanes generally have a lower aqueous solubility. The latter is usually interpreted as a consequence of the...

Journal: :Fractal and fractional 2023

The special affine Fourier transform (SAFT) is an extended version of the classical and incorporates various signal processing tools which include transforms, fractional transform, linear canonical other related transforms. This paper aims to introduce a novel octonion (O−SAFT) establish several classes uncertainty inequalities for proposed transform. We begin by studying norm split energy cons...

2004
D. Lévesque A. Blouin C. Néron

The time and Fourier domain Synthetic Aperture Focusing Technique (SAFT and FSAFT) have been used to improve both sensitivity and lateral resolution of ultrasonic NDT. Following acquisition of signals over the surface of the tested piece, SAFT identifies a defect by summing all the signals within a certain area (the aperture) after giving proper time-delays. FSAFT, although using the same data,...

2003
Z. M. BENENSON A. B. ELIZAROV T. V. YAKOVLEVA

The synthetic aperture focusing technique (SAFT) has been previously employed to increase the penetration and to extend the depth of focus. This is particularly important in high frequency ultrasonic imaging because dynamic focusing using arrays is not yet possible. However, performance of the SAFT is limited due to its high sidelobes. In this paper, an adaptive weighting technique based on a f...

Journal: :International journal of sports medicine 2009
K Small L R McNaughton M Greig M Lohkamp R Lovell

The aim of this study was to investigate the effect of a multi-directional soccer-specific fatigue protocol on sprinting kinematics in relation to hamstring injury risk. Nine semi-professional soccer players (Mean +/- SD: Age: 21.3 +/- 2.9 year; Height 185.0 +/- 8.7 cm; Body Mass 81.6 +/- 6.7 kg) completed the SAFT(90); a multi-directional, intermittent 90 min exercise protocol representative o...

2013
N. Bender N. S. M. Cardozo

Cubic equations of state combined with excess Gibbs energy predictive models (like UNIFAC) and equations of state based on applied statistical mechanics are among the main alternatives for phase equilibria prediction involving polar substances in wide temperature and pressure ranges. In this work, the predictive performances of the PC-SAFT with association contribution and Peng-Robinson (PR) co...

Journal: :iranian journal of radiology 0
wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, china jian hui gu department of hand surgery, hand surgery research center, affiliated hospital of nantong university, nantong university, nantong, china yong yuan department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china dong sheng jin department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china; department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china. tel: +86-02583712838-3067, fax: +86-02586631726

results stereoscopic displays of the nerves were obtained in all 24 elbows by vr, mip, and fiber tractography post-processing methods. the vr/mip post-processing methods were easier to perform compared to fiber tractography. there was no significant difference among the scores of fiber tracking and vr/mip reconstruction for single direction. the imaging quality scores of fiber tractography and ...

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