Parallel transmission
kT-spokes: combining kT-points with spokes to ease ramp pulse design for TOF slab selection with parallel transmission at 7T
... 8. Dupas L, Massire A, Amadon A, Vignaud A, Boulant N. Two-spoke placement optimization under explicit specific absorption rate and power constraints in parallel transmission at ultra-high field. Journal of ...
6
Universal pulses: A new concept for calibration-free parallel transmission
... concepts of parallel transmission reported by Graesslin et al. in (16), who propose to use electric field simulations on a representative set of human head models for local SAR prediction in real ...
26
Parallel transmission for magnetic resonance imaging of the human brain at ultra high field : specific absorption rate control & flip-angle homogenization
... during parallel transmission provides a great wealth of possible RF schemes, which can distribute energy differently over the patient’s ...using parallel transmission, local SAR could show ...
137
Signal-domain optimization metrics for MPRAGE RF pulse design in parallel transmission at 7 tesla
... Introduction The magnetization prepared rapid gradient echo sequence (1), referred to as MPRAGE, is extensively used in the neuro-imaging community and in routine neuroradiological examina- tions to provide ...
36
Time-of-flight angiography at 7T using TONE double spokes with parallel transmission
... Non-contrast-enhanced TOF is a non-invasive technique and the most widely used MRA sequence for intracranial applications. Nevertheless, it is sensitive to spatial RF heterogeneities inherent to the 𝐵 1 + field ...
28
Universal pulse design of refocusing kT-point pulses using parallel transmission: application to three-dimensional T2-weighted sequences at 7T
... Introduction Parallel transmission (pTx) (1) is a key technology to mitigate the RF field inhomogeneity problem encountered in MRI at Ultra-High-Field ...
26
Design algorithms for parallel transmission in magnetic resonance imaging
... 1.2.2 Parallel Transmission Theory As previously mentioned, the technical limitation of multi‐dimensional, spatially selective excitation is in the rather long duration over which the RF and the gradient ...
158
en fr When transmission is a danger Quand la transmission est dangereuse
... la transmission Le processus psychique de la transmission virale peut s’inspirer de plusieurs ...la transmission est nécessaire- ment transindividuel, dans le registre de l’espèce et le destin de ...
13
Transmission des savoirs et régulation
... 26.2 Qu'implique, pour l'organisation de l'espace public démocratique, une extension du droit de regard d'agents extérieurs sur la sphère éducative ? Dans le domaine de la transmission des connaissances, on ...
18
Développement et transmission de la métacognition
... L’approche qui a retenu notre attention concernant la métacognition est donc dans un premier temps celle développée traditionnellement dans le domaine de la psychologie cognitive. Cependant, comme nous l’avons souligné, ...
429
La transmission de l'esthétique caribéenne
... L’enjeu de la survie se double donc de celui de la légitimité, et place la question de la transmission au cœur des préoccupations. Freud ne disait-il pas qu’une société sans mémoire est une société névrotique ? ...
2
La transmission « naturelle » des savoirs
... la transmission des savoirs n’est pas l’augmentation du capital matériel ou immatériel de la ...la transmission spontanée du savoir est qu’elle permet de produire un signal ...
10
PAXQuery: Parallel Analytical XML Processing
... custom parallel operators by means of second-order functions, and (iii) allowing one parallel operator to receive as input the outputs of several other such op- ...
6
Parallel N-free order recognition
... F-75251, Paris Cedex 05. e-mail: lavielitp.ibp.fr Abstra
t Parallel algorithms for re
ognizing and representing N -free orders are pro- posed for di erent models of parallel random a ess ma
hines (PRAM). ...
17
Parallel computing in combinatorial optimization
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
35
Dispatching to Parallel Servers
... of parallel servers resides in the alloca- tion of the processing resources to the impending ...interest: parallel computing (mobile cloud computing, server clusters, supercomputers), industrial logistics ...
35
Mesh Simplification in Parallel
... with 2, 4, 8, and 16 processors connected to a 10Mbps Ethernet network. We ran these tests when most of the machines were idle. Unfortunately, there was no guarantee that the timings were not influenced by other users. ...
13
La transmission des infections à Pneumocystis
... une transmission com- munautaire des infections par Pneumocystis ? Inabordables jusqu’aux années 2000, ces ques- tions peuvent être explorées à l’heure actuelle soit chez l’homme grâce au développement de méthodes ...
6
Effective Transmission Conditions for Thin-Layer Transmission Problems in Elastodynamics
... Effective Transmission Conditions for Thin-Layer Transmission Problems in Elastodynamics M. Bonnet 1 A. Burel 1,2∗ , P. Joly 1 1 POEMS (UMR 7231 CNRS-INRIA-ENSTA), ENSTA Paristech, Palaiseau, France. 2 ...
3
Parallel Nested Monte-Carlo search
... Figure 5(e’) shows that communications can occur in parallel. The Last-Minute dispatcher waits for a node from any client. If it receives a client node, it means that this client node is waiting for a new job, ...
6