搜索结果: 1-11 共查到“生物医学工程 E-fields”相关记录11条 . 查询时间(0.166 秒)
In-vitro mapping of E-fields induced near pacemaker leads by simulated MR gradient fields
E-fields near pacemaker MR gradient fields
2010/2/25
Potentially hazardous situations are possible during an MR scan due to gradient fields. Unintended stimulation can be induced via abandoned leads and leads connected to a pulse generator with loss of ...
Complete Sets of Radiating and Nonradiating Parts of a Source and Their Fields with Applications in Inverse Scattering Limited-Angle Problems
Inverse Scattering Limited-Angle Problems Source
2009/9/8
Many algorithms applied in inverse scattering problems use source-field systems instead of the direct computation of the unknown scatterer. It is well known that the resulting source problem does not ...
The Formula of Grangeat for Tensor Fields of Arbitrary Order in n Dimensions
The Formula of Grangeat Arbitrary Order
2009/9/7
The cone beam transform of a tensor field of order m in n≥2 dimensions is considered. We prove that the image of a tensor field under this transform is related to a derivative of the n-dimensional Rad...
Magnetic Field Distribution and Signal Decay in Functional MRI in Very High Fields (up to 9.4 T) Using Monte Carlo Diffusion Modeling
Functional MRI Diffusion Modeling
2009/9/7
Extravascular signal decay rate R2 or R2∗ as a function of blood oxygenation, geometry, and field strength was calculated using a Monte Carlo (MC) algorithm for a wider parameter range than hith...
The Heartbeat Variations of the Loaches under Stationary Magnetic Fields
The Heartbeat Variations Loaches Stationary Magnetic Fields
2009/6/9
The Heartbeat Variations of the Loaches under Stationary Magnetic Fields.
Biological Effects and Safety of Exposures to Radiofrequency Electromagnetic Fields from Mobile Communications
Biological Effects Radiofrequency Electromagnetic Fields Mobile Communications
2009/6/9
Biological Effects and Safety of Exposures to Radiofrequency Electromagnetic Fields from Mobile Communications.
Effects of Stimulation Side on the Auditory Evoked Magnetic Fields: Objective Assessments of Sound Localization in Bone-conducted Ultrasonic Perception
ultrasound bone-conduction MEG N1m laterality auditory cortex
2009/6/5
Bone-conducted ultrasound (BCU) is perceived even by those who are profoundly sensorineural deaf. A novel hearing-aid using BCU perception, which transmits amplitude-modulated ultrasound by bone-condu...
Effects of Rise-time of Sound Stimulus on Auditory Evoked Magnetic Fields
Auditory cortex N1m rise-time sound energy rising-speed
2009/6/5
Although several studies have reported that the rise-time of sound stimulus affects on auditory evoked magnetic fields, effects of each parameter which vary in connection with rise-time—whole energy, ...
Bragg–Williams Model of CsCl-Type Ordering of the FeCo System in Strong Magnetic Fields
Bragg–Williams Model CsCl-Type Ordering the FeCo System Strong Magnetic Fields
2009/12/28
Bragg–Williams Model of CsCl-Type Ordering of the FeCo System in Strong Magnetic Fields.
Influence of head models on neuromagnetic fields and inverse source localizations
head models neuromagnetic fields inverse source localizations
2010/2/26
The reference model (Model 1), as expected, performed best in localizing the sources in the motor cortex area. The Model 3 performed the worst. The mean source localization errors (MLEs) of the Model ...
Classification of the extracellular fields produced by activated neural structures
the extracellular fields activated neural structures
2010/2/26
For an axon of arbitrary shape, it is shown that a quadrupolar potential is generated by action potentials traveling along a straight axon. However, a dipole moment is generated at any point where an ...