环电流

In addition, the ring current is driven earthward (which energizes its particles further), temporarily modifying the field around the Earth and thus shifting the aurora closer to the equator.

此外环电流被逼近地球，进一步加强了其粒子能量，暂时地改变地球附近的磁场，使得极光向赤道靠近。

It and the main phase of the ring current non-axisymmetric part of the combined effect of the geomagnetic field is the DS.

它和主相环电流的非轴对称部分的地磁效应合在一起就是DS场。

The method combing harmonic linearization and integral time absolute error optimal control to realize the PWM converters' optimal control is proposed according to the hysteresis current control's characteristics.

根据滞环电流控制的特点，提出了将谐波线性化方法与ITAE优化控制律相结合的方法，以实现对PWM变换器的优化控制。

The third part of our work is for the inversion problem of ring current ions. Weexplore a new technique and arithmetic to inverse the ring current ions distribution.

在第三部分的研究中，我们开发了新的反演技术和算法来反演环电流的分布。

The dynamic and ouput performance of the inverter system is also analysed by simulation with Saber software, and the main reasons is enduced. As the calculate speed of the DSP core is consided, digitally and analogically hybrid control scheme is adopted in this paper.

分析了两态滞环电流控制DBI的控制原理，利用Saber电路仿真软件对逆变器系统进行了仿真，并对系统的动态性能以及外特性进行了研究，得出影响系统动态性能及外特性的主要因素。

The authors present fundamental principles of several APF control schemes based on DSP such as space vector modulation, hysteresis current control, monocyclic control, slide mode control, dead beat control, repetitive control, predictive control and ANN based control, and the respective merit and demeritof these control method are pointed out.

文章介绍了基于DSP的空间矢量调制、滞环电流控制、单周控制、滑模控制、无差拍控制、重复控制、预测控制、模糊控制以及人工神经网络控制这几种APF控制方案的基本原理，指出了它们各自的优缺点。

It contains the Van Allen radiation belts, auroras, and giant electrical "ring currents" of staggering power.

它包含了范艾伦辐射带，极光，和具有惊人能量的强大的&环电流&。

Enhanced loop current in the ground magnetic effect is the decline in H-component.

增强了的环电流在地面的磁效应就是H分量的下降。

In surgical procedures, however, the stimulation to obturator nerve caused by the electrical current will lead violent adductor contraction, which can induce severe complications, such as bladder perforation.

在手术过程中，高频电刀环电流透过膀胱壁刺激闭孔神经，会引起大腿内收肌强烈收缩，导致膀胱穿孔等严重并发症。

But astronomers think that sunspots are magnetic flux tubes, because nobody knows how to produce these large circular electric currents of long solenoids.

但是，天文学家认为太阳黑子是磁流量管，因为没有人知道怎样产生长螺旋线圈中的大环电流。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了