研究表明，不稳定内部动态有界解的存在性是非最小相位系统能够稳定跟踪期望输出轨迹的关键。
The existence of the bounded solution of unstable internal dynamics is the key to tracking reference trajectory stably.
研究表明，在高阶色散下，正负五阶非线性的存在仍然分别对交叉相位调制不稳定性起加强和削弱的作用；
The results show that, in case of high-order dispersion, the positive and negative quintic nonlinearity also intensifies and weakens the cross-phase modulation instability, respectively.
从非线性薛定谔方程出发得到了色散缓变光纤中交叉相位调制(XPM)不稳定性的增益谱。
Modulation instability gain spectrum resulted from cross-phase modulation (XPM) in decreasing dispersion fiber (DDF) is presented from nonlinear Schrodinger equation.
由于系统的内部动态不稳定，非最小相位系统的输出跟踪问题是一个具有挑战性的非常困难的问题。
The output tracking problems of non minimum phase systems are very difficult, because the internal dynamics of the systems are unstable.
研究直升机悬停状态时其动力学模型非最小相位且不稳定特性的设计问题。
A study on the method of design is presented for helicopter hover with nonminimumphase unstable characteristics.
本文在不外加输入激励情况下，讨论了开环不稳定和非最小相位的ARMAX系统系数的一致估计。
Without introducing any external excitation to the system input, this paper gives consistent estimates for the coefficients of an ARMAX system, which is allowed to be unstable and of nonminimum-phase.
分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。
The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.
外激励相位控制采用微小信号控制并使控制信号与系统的不稳定周期轨道达到最佳相位匹配，获得最佳控制效果。
The small control is adopted also in the phase control and the best phase matching between the control signal and the unstable periodic orbit is reached. Then the best effect of control is got.
工业锅炉的主要动态特性包括非线性、非最小相位特征、不稳定性、时滞和负荷干扰，采用传统控制方法难以实施有效控制。
The major dynamics of a boiler include non-linearity, non-minimum phase behavior, instability, delay and load disturbance. The traditional control strategy could not offer satisfactory result.
工业锅炉的主要动态特性包括非线性、非最小相位特征、不稳定性、时滞和负荷干扰，采用传统控制方法难以实施有效控制。
The major dynamics of a boiler include non-linearity, non-minimum phase behavior, instability, delay and load disturbance. The traditional control strategy could not offer satisfactory result.
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