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准确地跟踪
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  precisely track
     In this paper the application of the H\-∞ control theory in autopilot design is studied. The objective of the design is to guide the missile to stably and precisely track the optimal nominal trajectory. During the target interception, the missile is led onto the optimal nominal trajectory to hit the target.
     应用H∞ 控制理论设计自动驾驶仪 ,其目的是使导弹能够稳定、准确地跟踪已形成的标称优化弹道 ,在导弹拦截目标的过程中沿着优化弹道命中目标。
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  “准确地跟踪”译为未确定词的双语例句
     This eye tracking method is effective for realistic lighting condition, eye part closure and eye closure.
     此眼睛跟踪方法在实际的光照条件下跟踪效果较好,对于眼睛部分遮挡或者闭合的情况也能够准确地跟踪
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     The algorithm uses this discrimination information to update the noise energy in all frames including the speech frames,so it could better trace changes in the noise-energy.
     算法通过利用鉴别信息,能够在包括语音帧在内的所有帧中更新噪声的能量,从而更准确地跟踪噪声能量的变化。
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     It can exactly track the constant reference inputs.
     它能够准确地跟踪恒值参考输入。
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     The simulation results show the method can attain our aim under harmonic condition.
     仿真结果表明,在有谐波干扰的情况下,数字锁相环方法可以准确地跟踪信号频率的变化和计算相位差。
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     The new method is applied to the ship steering autopilot design. Simulation results show that the controller designed here can track a desired course well, eliminate chattering effectively and exhibit very good performance robustness.
     将理论成果应用于船一舵伺服系统设计了航向自动舵,仿真结果表明,该文方法可有效消除抖振现象,设计的航向控制器可以快速准确地跟踪设定航向,并且能够有效抑制参数摄动和外界风浪干扰对船舶运动的影响,具有很强的鲁棒性。
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     It can exactly track the constant reference inputs.
     它能够准确地跟踪恒值参考输入。
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     PRICE TRACK
     价格跟踪
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     Optimum Antenna Polarizations for Target Discrimination in Clutter
     跟踪天线
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     From the result of the experiment we can see that the target can be recognized accurately and tracked immediately with these methods.
     实验结果显示,这些方法能够准确地识别和快速地跟踪预定目标。
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  precisely track
Accurate identification of a DNA sequence depends on the ability to precisely track the time varying signal baseline in all parts of the electrophoretic trace.
      
Global positioning technologies can precisely track positions anywhere on the surface of the planet.
      
The angular and energy resolution are dependent upon the ability to precisely track the recoil protons and measure the scintillation light.
      
The goal of our analysis is to precisely track the flow of sensitive data as it is processed by the web browser and any loaded BHOs.
      
The inexpensive flow of information has enabled firms to more precisely track sales, inventory and goods in transit on a real time basis.
      


The problem of tracking a reference input in finite time for systems with unknown parameters, which may be of nonminimum phase, is considered. A method to design deadbeat controller for systems with known parameters and an adaptive algorithm based on this deadbeat controller are presented and simulations of the behaviour of the adaptive algorithm are given

本文论述了一个有限时间整定的自校正控制器。它使参数未知的单输入单输出离散时间系统的输出在有限时间内准确地跟踪给定输入,只要系统中除了给定输入以外,没有其它的外部干扰。由于系统的零点不被消除,故系统可以是非最小相位的。这个自校正控制器是这样设计的:用多项式方程的方法设计参数已知时的有限时间整定控制器,用有限时间整定适应观测器估计参数。最后用一简单的例子进行了计算机仿真,仿真结果证实了设计方法的正确性。

This paper presents a new multivariable pole - assignment self-tuning dynamic decoupling controller for a class of multivariable processes. It can exactly track the constant reference inputs. Simulated studies and on-line control of plastic extruder temperatures give satisfactory results.

本文针对一类多变量系统提出了一种新的极点配置自校正动态解耦控制器。它能够准确地跟踪恒值参考输入。仿真和对温度的实时控制均给出了令人满意的结果。

A new method and its application to the tracking of radar echoes are presented. As it contains factors of both correlation coefficient and echo brightness reflecting the characteristics of echo structure and brightness, the method can be used to track radar echoes with great accuracy.Numerical simulation indicates that the precision of this method is very elose to that using only the correlation coefficient in the uniform wind field, and higher than that in the nonuniform wind field.

本文提出了相关亮度综合分析法及其在跟踪雷达回波中的应用。该方法使用了相关系数和回波亮度双重因子,它不仅反映了回波的结构特征,而且也反映了回波的亮度特征,因而能更准确地跟踪回波运动。本文所做的数值试验表明,在均匀流场中该方法所得的结果与相关分析法的结果基本一致。而在非均匀流场中,相关亮度综合分析法所得结果精度高于相关分析法的精度。

 
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