shimming

Its image quality is closely related with the shimming technique .

MRI系统的成像质量与其主磁体的匀场技术有着密切的联系。

A new first order peak location shimming method

一种基于峰值定位法的一阶匀场新方法

Automatic Shimming for Multiple Strong Peaks Using Pulse Field Gradient

适用于多重强峰的脉冲梯度场自动匀场技术

The design and implementation of shimming simulation software

模拟匀场软件的设计与实现

Study of Shimming Method Based on the Central Magnetic Field for MRI Permanent Main Magnet

基于中心磁场参照的MRI永磁主磁体匀场方法研究

A Rapid Automated Shimming Method on Permanent Magnet MRI System

快速动态自动匀场技术在永磁磁共振成像系统中的实现

Method of Artificial Neural Network for Shimming of NMR Magnet

核磁共振永磁体无源匀场的神经网络方法

Design of Active Shimming Coils on Mini-type Permanent Magnetic Resonance Imaging System

线圈外置式磁流变阻尼器及其磁场有限元分析永磁微型核磁共振成像系统匀场线圈设计

The Design and Field Calculation of MRI Magnet Shimming Coils

磁共振成像中磁体的匀场线圈设计与磁场计算

Numerical Method for the Passive Shimming of Superconducting NMR Imaging Magnets

超导核磁共振成像主磁体无源数值匀场技术的研究

Magnetic field shimming and measurement of radiator of reconstructed optical klystron

光学速调管改造后辐射段磁场垫补和测量

Application of topology optimization to active shimming of main magnet in Halbach NMR

拓扑优化在Halbach核磁共振磁体主动垫补中的应用

Methods The ferromagnetic ring is displaced by magnetic ring and the shimming effect is discussed .

方法用磁性材料代替常用的铁磁材料作为极面上的匀场环，并讨论匀场效果。

The Development of an Active Shimming System for 0.2T Open-style Permanent Magnet MRI

0.2T开放式永磁型医用核磁共振成像仪有源匀场系统的研制

Gradient Shimming in Magnetic Resonance Imaging Magnet

永磁磁共振成像系统磁体的梯度匀场方法研究

Debug of Integrated and Embedded NMR Spectrometer and Design of Device Drivers Gradient Shimming in Magnetic Resonance Imaging Magnet

基于嵌入式操作系统的一体化核磁共振谱仪调试及底层驱动设计永磁磁共振成像系统磁体的梯度匀场方法研究

A fast , reliable , and versatile method has been developed for fully automatic shimming in high - resolution nuclear magnetic resonance .

提出了一种适用于高分辨率NMR的快速、通用且可靠的全自动匀场方法。

Troubleshooting of spike interference in Siemens Permanent MRI System Design of Active Shimming Coils on Mini-type Permanent Magnetic Resonance Imaging System

西门子永磁型磁共振尖峰脉冲（Spike）干扰的检查与排除永磁微型核磁共振成像系统匀场线圈设计

Non-electrical shimming of the magnetic field in the SINK minicyclotron AMS

在SINR回旋加速器质谱计中磁场的非电垫补

It can be applied in the isochronous magnetic field shimming of the compact cyclotron , which meets the requirement for beam dynamics analysis .

该算法可适用于紧凑型回旋加速器中等时性磁场的垫补，以使所垫补的磁场满足回旋加速器束流动力学设计的要求。

How the type and thickness of shimming spacers in bulletproof vest affect on the bulletproof performance is also discussed in this paper .

本文还讨论防弹衣内填充垫层对防弹性能的影响。

This method proposed herein greatly simplifies the shim optimization and is readily to be extended to three dimensions to include off - axis shimming .

该方法不仅简化了具有多重强峰时匀场最优化过程，而且能够扩展到包括非轴向的三维自动匀场。

Amplified spontaneous emission in conjugated polymer waveguide under modulation of electric field Field integral shimming of elliptically polarized undulator at Shanghai synchrotron radiation facility

电场调制下聚合物光波导的放大自发辐射上海光源可变椭圆极化波荡器积分场垫补

The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described .

通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。

The theoretical shimming scheme is obtained through combining process of the coarse and fine shimming , which is completed from outer rings to inner rings on the pole surface .

结合匀场的粗调与细调过程，最后得到了在极面上先外圈后里圈的理论匀场方案。

This paper introduces an automated magnet design , modeling and shimming method under the pythonic integrated environment based on virtual prototyping , a novel technique to shorten development period and reduce costs for physical prototypes .

提出了一种计算机辅助的自动化磁铁设计、建模和修正的方法，该方法在基于Python混合编程的虚拟样机集成设计环境中实现。

In here , you honoured can drench yourself completely in the shimming green hills and clear azure water , enjoying the high-notch Barry Island aroma massage

在这里，您可以让身心完全沉醉与清山碧水，享受顶级的巴厘岛香薰按摩

A shimming pulse sequence combined with a pre - saturation irradiation is proposed for the first time to improve the quality of high - order shimming in the Z direction when a sample has multiple strong peaks .

利用一个带有预饱和辐照的脉冲梯度场匀场序列来提高具有多重强峰的样品在Z轴方向高阶匀场的质量。

This paper describes the basic problems of reactor core design of PWR such as chemical shimming reactivity , standardized non cassette fuel assembly , bundle of control rods , burnable poison , multi zone core and so on .

综合论述了压水堆堆芯设计中的化学补偿反应性、标准化无盒大型燃料组件、棒束型控制棒、可燃毒物和采用多区堆芯装料等基本问题。

All the measurement results of magnetic field of optical klystron before and after shimming are given , including the distribution of field integral and phase error on axis , field integral and RMS phase error for different gaps and transverse distribution of field integral .

详述了合肥储存环的光学速调管辐射段磁场垫补的三种方式，测量了垫补前后不同间隙下积分场分布、位相误差及横向均匀度，各项指标都达到了要求。