The analytical model used is the linear and parameter time-invariable system.
所采用的数学模型为线性和参数时不变的。
The paper presents a new method based on linear shift invariable system to implement the fractional delay.
提出了基于线性移不变系统实现小数时延的方法并进行了性能分析。
And that parallel mode requires the servo system to have good speed stability to ensure invariable output of speed.
平行式要求伺服系统具有良好的速度稳定性，保证恒定的速度输出。
The chromatic factor M2 is found invariable while the laser beam propagates through the dispersion-free ABCD system.
通过实验，我们发现在经过无色散的ABCD系统时彩色光束的M2因子是不变的。
The essence of marketing consulting is to establish connection between market value system and the consumer demand during the changes and invariable factors.
策划价值关联原理的本质就在于在变与不变中建立市场价值系统与消费者需求要素之间的关联。
How to extract invariable features of images and construct a efficient system of classification and recognition is always a hot spot in the field of computer vision.
如何提取图像的不变性特征，构造一个高效率的分类识别系统一直是计算机视觉研究领域的一项热门课题。
The key features of the International system are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure.
国际制度的主要特点是采用了十进制法、首体系、不变的物理度量方式解释的标准。
The chamber could produce even and invariable light for the CCD camera, and the vision system collected and transferred series of images information to computer memory at real time.
光照系统可为CCD摄像机的视区提供均匀和恒定的无影光照；图像采集系统可实时采集害虫的序列图像信息并送至计算机内存进行处理。
For natural gas processing system existed, the technics flow and construction was invariable, the capacity of unites and equipments was definite, which have been made certain when system was designed.
但对于已建成的天然气处理系统而言，其工艺流程和结构保持不变，系统中工艺单元和装置生产能力是一定的，这些都在系统装置设计时已经确定。
As a synthesis method in control system, the sliding mode of variable structure control is invariable, and which is its most excellent advantage in the missile attitude control system.
变结构控制作为控制系统的一种综合方法，它的滑动模态具有不变性，这是变结构控制在导弹姿态控制中最突出的优点。
The invariable loss comes from the materials and surface processing of the system itself, such as the loss of Fresnel, ball aberration, diffraction, chromatic aberration and absorb.
固定损耗是由系统自身所用材料、表面处理决定的，包括菲涅耳损耗、球差损耗、衍射损耗、色散损耗、吸收损耗等。
The control of pull invariable tension has been put forward, the tension has been analysed, the system model has been established.
对拉伸张力控制提出了复合控制方案，进行了张力分析，建立了系统模型。
When the current flight management computer system(FMCS)optimizes flight, it assumes the flight line is an invariable parameter.
目前的机载飞行管理计算机系统（FMCS）在进行飞行优化时，视航路为固定常量。
Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the system perturbation and external disturbances.
在一定条件下，设计的滑动模控制律使得系统沿预先设计的滑动流形的滑动运动对系统的参数摄动和外干扰具有不变性。
Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the system perturbation and external disturbances.
在一定条件下，设计的滑动模控制律使得系统沿预先设计的滑动流形的滑动运动对系统的参数摄动和外干扰具有不变性。
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