拍摄照片的是大熊湖太阳天文台新望远镜，采用自适应光学技术配件以便校正大气扰动误差，调节信号畸变。
The telescope that took the picture is know as the New Solar telescope which USES adaptive optics, parts that change to adapt to disturbances in the atmosphere and correct distortions in the signals.
王安义，保铮，张林让。阵列估计误差和扰动误差引起方向图畸变的校正。西安电子科技大学学报，26（1999）5，614-618。
Anyi Wang, Zheng Bao, and Linrang Wang. Remedies of the estimation errors and perturbation errors. Journal of Xidian University, 26(1999)5,614-618 (in Chinese).
电机控制模型中的建模误差，以及系统运行中的参数漂移，诸如电机的定、转子电阻随着温度发生变化，相当于对所研究的控制系统加入了扰动。
The modelling inaccuracy and parameter drift in motor control, such as the stator and rotor resistance shift with temperature, act as the disturbance in the control system.
仿真实例表明，该控制律能保证误差的快速收敛性及对参数不确定性和外部扰动的鲁棒性。
The simulation example shows that control law can guarantee fast convergence of error as well as robustness of parameter uncertainties and external disturbances.
结果表明，不确定的重力扰动向量是高精度惯导系统的一个重要误差源。
The results show that gravity disturbance vector is a major error source for high accuracy inertial navigation system.
通过实例计算表明，该方法可以高精度地将全区域范围的水泵试验数据拟合成光滑的特性曲线，并能够消除因试验随机误差所引起的曲线扰动。
It is proved in the examples that the new method works well in precisely building the pump test data in wide area into smooth curve without disturbance caused by the random test error.
由惯导系统的误差方程分析了扰动重力场的影响。
According to the error equation of INS, the influence of gravity disturbance is analyzed.
使具有不确定扰动的陈氏混沌同步误差系统渐近镇定到平衡点，并且获得其充分条件。
Uncertain Chen's chaotic synchronization error system is asymptotically stabilized to the equilibrium point, and then sufficient conditions for robust synchronization are obtained.
但由于加工误差、驱动结构不对称、扰动等因素，使得活动梳齿相对固定梳齿发生偏转。
However, due to fabrication error, asymmetric drive structure, small disturbance and so on, the movable comb fingers move laterally and rotationally from the fixed ones.
在舰船摇摆条件下提高光电跟踪系统对目标动态跟踪精度，其控制系统设计的关键技术是隔离扰动和减小高速跟踪时的动态滞后误差。
The critical design for the control system of ship-borne electro-optical equipment is how to isolate external disturbance and reduce the dynamic lag error.
用复合控制把惯导系统测量的炮塔俯仰转动角速度（扰动角速度）反馈到控制前端，进行预先补偿，可保证小的瞬态误差和系统的稳定性。
The stability and small dynamic errors could be confirmed by using the method of composite control in which the pitch angular rate of barbette sensed by INS was feed back and compensated in advance.
根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系，将重力异常分成不同频段、不同分辨率，分别计算了截断误差。
From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.
最后，针对输入扰动和量测噪声不同的广义系统提出了一种新的观测器设计方法，讨论了噪声对误差的影响。
Finally, for descriptor systems with different input disturbances and measurement noises, we get a new observer method, and give a discussion about the effect of the noises to the error.
并在研究扰动引起的稳态误差、系统结构及和参数之间关系的基础上，设计了控制系统的扰动补偿器。
A disturbance compensator for the control system is designed on the basis of studying the stability error caused by disturbance, the relation between system structure and parameters.
引入基于模型误差最小准则的预测滤波算法，实现对未知扰动的实时辨识与估计，克服模型误差影响。
Predictive filtering based on minimum model error is introduced to realize real time identification of unknown perturbations and conquer influence of model error.
并且组合模型进一步给出了回归分析中误差扰动项未来值的一些信息，提高了预测精度。
In addition, some information of the future value of random disturbance term in regression analysis is delivered by complex model, so that the forecasting accuracy is improved.
当采用某种固定的安装方式时，通过调整超声波流量计的安装角度可以在最大程度上降低因为流场扰动产生的误差。
When uses the way of some kind of fixed installs, it would be possible in the greatest to reduce the error that produces from the perturbation of flow field through the adjustment the angle.
在全面论述了扰动重力和重力垂线偏差对惯性导航的影响的基础上，结合实际情况提出了进行重力场误差补偿的两种方法。
After roundly discussing the influence of disturbing gravity and gravity vertical deflection on INS and considering the real situation, two gravity error compensation methods are put forward.
本文解决了参数未知、具有非结构性未建模误差和有界恒定扰动的一类线性连续系统的自适应控制问题。
This paper proposes a robust adaptive pole placement control scheme for continuous time systems with bounded disturbances and unmodeled dynamics.
应用子空间扰动分析研究了宽带CSS法的统计性能，得出了宽带CSS法方位估计误差随信噪比变化的关系。
By using subspace disturbing analysis to investigate the statistical performance of the CSS, the relationship between the DOA estimation error and the signal to noise ratio (SNR) was presented.
试验结果表明：热带气旋定位误差影响路径预报，但扰动初始位置的集合平均预报与控制试验的预报水平相接近。
The results show that TC initial position perturbation make its track different, but ensemble mean is close to control forecast.
研究了矩阵列（行）一致扰动的几个性质，并应用于线性方程组。给出了线性方程组系数矩阵一致扰动下解的相对误差界。
Several properties about matrix with consistent perturbation are studied and applied into linear equations. Error bounds with the solution perturbation are given.
由于纯延迟离散系统仅存在延时的逆模型，因而对该系统进行自适应逆控制时，扰动消除会产生一定的延迟误差。
There only exists delay inversion model in pure-delay discrete system which causes delay error when adaptive inverse control is used for canceling noise.
通过速度控制器对负载扰动进行估计和补偿，消除了负载扰动可能带来的稳态跟踪误差。
The load disturbance is estimated and compensated by the speed controller, which effectively removes the static tracking error that would be caused by the disturbance without compensation.
随着弹道导弹系统技术的不断改进，影响导弹精度的工具类误差已逐渐降低，地球重力场扰动引力已经成为影响导弹命中精度的主要因素。
With the improvement of ballistic missile system technology, the tool error affecting missile hitting accuracy has been reduced and disturbing gravitation has been a main factor.
随着弹道导弹系统技术的不断改进，影响导弹精度的工具类误差已逐渐降低，地球重力场扰动引力已经成为影响导弹命中精度的主要因素。
With the improvement of ballistic missile system technology, the tool error affecting missile hitting accuracy has been reduced and disturbing gravitation has been a main factor.
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