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该方法明显优于章动NMR技术。This method is superior obviously to nutation NMR technique.

提出了一种新的测量弹丸攻角的方法。A new measurement method for nutation angle has been put forward.

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许多作者研究了主动章动控制技术。Active nutation control techniques have been discussed by many authors.

介绍和比较最新的刚体地球章动理论。The recent nutation theories are introduced and compared with each other among them.

从而求得液体晃动的能量耗散率和系统的章动时间常数。The dissipative rate of energy and the nutation time constant of the system are obtained.

J2摄动对相对轨道的影响分为相对轨道构形的漂移、相对轨道平面的章动和进动。J2 perturbation makes the relative orbit drift in the in-track direction, nutation or procession.

同时，还介绍了这种陀螺转子振动与“绕动”的平衡原理与方法。The Principle and method of dynamical balance to damp its vibration and forced nutation are also introduced.

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还说明了这种陀螺转子的振动与绕动的平衡原理与方法。The principle and method of dynamical balance to damp its vibration and forced nutation are also introduced.

细长体双自旋卫星自旋部分的能量耗散会导致卫星章动运动的发散。Passive energy dissipation existing in the spinner of prolate dual-spin satellite will lead to nutation divergence.

在各阶潮汐力矩的作用下，得到CIP轴岁差章动的表达式。Under the effect of every order tidal moment, the expression of precession and nutation for the CIP axis is presented.

刚体地球章动序列和非刚体地球章动的转换函数都和地球动力学扁率有关。A rigid Earth nutation series and a non rigid Earth transfer function both are associated with the Earth dynamical flattening.

岁差章动力矩是解释这些现象的前提条件，也是建立刚体地球章动序列的最主要方法之一。The moment of precession and nutation is a prerequisite to explain these phenomena and one main way of building nutational serial of rigid Earth.

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本文讨论FK5、新岁差常数，新章动理论的采用引起测时测纬结果的变化。In this paper, the changes in time and latitude determinations caused by using FK5, new astronomical constants, new nutation series are discussed.

本文探讨了利用地球磁场和卫星上的磁偶极子之间的相互作用进行主动章动控制方案。This paper deals with an active nutation control scheme by using the interaction of the geomagnetic field with a magnetic dipole on the satellite.

岁差章动力矩是解释这些现象的前提条件，也是建立刚体地球章动序列的最主要方法之一。The moment of precession and nutation is a prerequisite for explaining these phenomena and one main way of building nutational serial of Rigid Earth.

仿真结果表明，此方法能有效解决转子章动问题，是一种容易实现的低阶变增益鲁棒控制方法。Simulation results show that the low order gain schedule robust control method can restrain the nutation in the whole speed range and it is easy to be used.

随着观测和计算精度的提高，地球动力学扁率值的不一致将影响章动振幅的计算。The increasing accuracy of modern observations requires to take into account its influence on the nutation amplitudes at the level of a few microarcseconds.

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带液体章动阻尼器卫星的残余章动角是设计高精度自旋卫星的一项重要指标。The residual nutation angle of satellites with the viscous nutation dampers is one of the important indexes for designing the spinning satellites of high precision.

导出解析形式的稳定性判据和章动阻尼时间常数，可用以估计卫星的稳定度。The stability criteria and the decay time constant of the nutation damping are obtained in an analytical form, by which the degree of the attitude stability can bd evaluated.

探讨了地球动力学扁率值对刚体地球章动振幅和非刚体地球章动转换函数的影响。In this paper, the effects of the value of the Earth dynamical flattening on rigid Earth nutation amplitudes and the transfer function of non-rigid Earth nutation are discussed.