1) half-requency spinwave
半频自旋波
2) half spin echo
半自旋回波
3) spin frequency
自旋频率
1.
Based on the construction and principle of micromachined gyroscope,the frequency of gyroscope output signal was derived which was depended on the angle between sensitivity axis of gyroscope and deflexion direction of rotating carrier,and then the relations between the rotating carrier spin frequency and the frequency of the gyroscope output signal is obtained.
阐明了所研制的微机械陀螺可用于检测旋转体的自旋频率。
4) spin echo
自旋回波
1.
Simple method for monitoring spin echo and determination of relaxation time in pulse NMR;
自旋回波的简易观测方法及共振弛豫分析
5) spin-wave
自旋波
1.
Considering the interface couplings (ferromagnetic coupling and antiferromagnetic coupling),the spin-wave dispersion relations,wave forms and resonant spectra in ferromagnetic bilayers are studied.
对双层铁磁薄膜构成的系统,考虑界面铁磁性和反铁磁性耦合对自旋波色散关系、波形演化及共振的影响。
2.
Particularly the effect of the anisotropy on waveform of spin-waves is discussed.
研究了具有各向异性的双层磁性薄膜中自旋波的本征值问题 ,重点讨论了磁各向异性对自旋波波形的影响 。
3.
On the basis of the Heisenberg exchange model, the spin-wave eigen-problem of the ferromagnetic bilayers with body centered cubic structure was solved exactly at the low temperature.
在Heisenberg模型的基础上，分别在未加磁场和计入垂直于膜面的磁场时，严格求解了体心立方结构双层铁磁性薄膜中自旋波的低能量子本征值问题。
6) spin waves
自旋波
1.
Nonlinear spin waves in a Bose condensed atomic chain;
玻色凝聚的原子自旋链中的非线性自旋波
2.
Renormalization group flow equations for ferrite spin waves model;
用重整化群流方程研究铁氧体的自旋波模型
3.
The effect of bulk single uniaxial anisotropy on dispersion relations and resonant spectra of spin waves in bilayer films with antiferromagnetic coupling are investigated.
重点研究了双层铁磁薄膜系统在层间反铁磁耦合下,体单轴各向异性对自旋波色散关系和共振谱的影响。
补充资料：快速自旋回波序列
快速自旋回波序列
磁共振成像术语。多回波自旋回波序列的改良方式。发射90°射频脉冲后，连续发射多个180°脉冲，形成多个自旋回波的成像序列。多回波SE序列中，90°脉冲发射后的每个回波产生各自的图像，最终形成多幅不同加权的图像。传统的SE序列中，一组回波产生的信号组合形成单个图像，每个TR获得一个特定的相位编码数据；FSE序列中每个TR期间内获得几个彼此独立的相位编码数据，所以形成一幅图像可使用较少的脉冲激励及较少的TR周期，从而减少扫描时间。FSE序列扫描时间可表示为：T=TR· Ny ·N/m TR为重复时间，Ny为相位编码行数，N为采集次数，m为回波链长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条