查询词典 tracking

Abstract］ Objective To evaluate left ventricular systolic function and dyssynchrony in patients with myocardial infarction by triplane tissue tracking imagingTriplane－TTI）.

目的 应用三平面组织追踪技术（Triplane－TTI）评价心肌梗死患者左室收缩功能与不同步运动。

Based on the design of nonlinear feedback can- troller,the chaos synchronization was realized by tracking control between two chaos systems which are different in topological structure.

自几Cora和C~11提出了混沌系统的自同步控制方法以来〔'〕，混沌控制t2，3〕及其同步应用步人了一个新的阶段。

The composite controller composed of the linear part and the nonlinear part and PID con- troller ensure the closed-loop sysem to meet high-precision tracking need.

其中PID控制方法是研究较早，应用较广泛的方法，因此有利用PID控制与非线性函数相结合来设计抗饱和的非线性PID控制器lJ。

The results show that the scheme produces small error between the true trajectory and the estimated one, which can satisfy the requirement of tracking precision.

仿真结果表明，该方法对于目标状态的估计与真值偏差较小，能够满足跟踪精度要求。

Applying this method to process the measured tracking signal of trajective missile,we successfully separate true trajective,draft error and random error.

应用该方法对运载火箭的外弹道跟踪测量信号进行分析处理，成功地分离了测量信号中的轨道、漂移误差和随机误差。

This paper proposed a method to estimate and compensate the differential truncation error using tracking and telemeted data.

如何辨识和估计观测数据包含的各种误差，理论和实际均做了大量讨论，建立了诸多比较实用的方法[2～4]。

It is unable to estimate the truncation errors just use the tracking data only.

概述在靶场观测数据处理中，影响各种参数估计及其精度的误差是多种多样的[1]。

A novel dynamic recurrent fuzzy neural network based on TSK fuzzy model is presented to the nonlinear dynamic system, it can gain better tracking ability in the identification or control to nonlinear dynamic system.

3针对非线性动态系统特点，提出了一种新型的基于TSK模糊推理的动态回归网络结构，并给出了一种新的学习算法—约束优化学习算法。

Effect of atmospheric turbulence on precision of laser tracking system.

大气湍流对激光跟踪系统角精度的影响。

In this paper a Nonlinear Variable Dimension Estimator is proposed for tracking maneuvering spacecraft. Two process models were incorporated by the Unscented Kalman Filter to account for the dynamic uncertainties of the target of interest: a nonmaneuvering model based on the two body problem and a maneuvering model taking the forced acceleration as the unknown system input to be estimated.

当飞行器处于无机动的巡航状态时，无色卡尔曼滤波器使用常规的二体问题模型描述其运动规律，而当飞行器被认为开始机动后，滤波器将扩展系统的状态空间，将机动加速度作为状态变量进行估计，从而增加了模型的适应性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。