time varying gradient

Convergence of forgetting gradient estimation algorithm for time-varying parameters

时变参数遗忘梯度估计算法的收敛性

By employing FDTD method and simulating the effects of electromagnetic on the heart of human body, the eddy-currents of the heart of human body induced by MRI time-varying gradient fields are computed and compared with the recommended threshold.

运用时域有限差分法（FDTD），通过电磁场对人体心脏影响的模型仿真，计算出心脏体段由磁共振成像（MRI）时变梯度场感应的涡流，并与已有的心脏刺激阈值进行比较。

The Influence of Time-varying Gradient Field on FOG

光纤陀螺的时变梯度场效应

In magnetic resonance, time varying gradient magnetic fields ( d B/ d t) may stimulate nerves or muscles by inducing electric fields in patients.

随时间变化的梯度场（dB/dt）可在受试者体内诱导出电场而兴奋神经或肌肉。

The time varying gradient field of Magnetic Resonance Imaging ( MRI) system will result in peripheral nerve stimulation on human bodies.

目的：引入一种新方法预测磁共振成像系统对人体的外周神经刺激。