Making full use of redundancy information data rectification technique eliminates the gross errors in the raw data reduces the random measurement errors and estimates the unmeasured variables .

数据校正是一种利用冗余信息，剔除原始数据中的显著误差，降低随机误差对测量值的影响，并 设法估计 出 未 测量变量的技术。

This insidious disease produces extensive and unmeasured economic losses through reduced efficiency in feed utilization .

这种隐伏性疾病产生了广泛的和 未 加 统计的由于饲料利用率降低的经济损失。

By using the invariant manifold and sliding mode variable structure technique dynamic output feedback stabilization controllers are proposed based on known state feedback controllers for a class of nonlinear systems with linear unmeasured states .

针对一类具有线性 不 可 测量状态的非线性系统，基于状态反馈稳定控制器，利用不变流形和滑模变结构控制技术设计了动态输出反馈镇定控制器。

Limitations of this study include possible unmeasured confounding and lack of data concerning cryptorchidism which is another potential cause of infertility and testicular cancer .

这项研究的限制包括可能 未 评 量的干扰因素，以及缺乏有关隐睾症相关的数据，这是另一个造成不孕症与睾丸癌的潜在原因。

In this manner the unmeasured channels are also subjected to an adaptive channel allocation strategy .

在这种情况下， 不 测量的信道也服从于自适应信道分配策略。

Approximate Space and Measure Space Generalized Rough Sets and Unmeasured Sets

近似空间与测度空间及广义粗集与 不 可 测集

The low order model is used to describe the linear relationship between measurable variables and unmeasured variables . The high order model is used to compensate the nonlinear error in low order model .

低阶模型用于对主导变量和 辅助变量之间的线性关系进行描述，高阶模型用于对低阶模型存在的非线性误差进行补偿。

To cope with the state unmeasured problem the Kalman filter is added to the LPV-MPC algorithm . In the meantime the measurement variables are determined through the observability analysis .

针对状态 不 可 测问题，在LPV-MPC算法中加入Kalman滤波，并通过可观性分析确定了需要测量的变量。

Far from cheapening nature thinking in terms of natural capital can offer a way to assess the crucial but unmeasured benefit that humans derive from the nature .

从自然资本这一角度考虑可以为评估人类从大自然获取的重要的但 无法 衡量的利益提供一种方式，而不是贬低大自然的价值。

Given that it is not possible to control for unmeasured confounders the as-treated analysis may have overstated the treatment effect of surgery .

考虑到不可能控制那些无法预测的 混杂，接受治疗分析则可能会夸大手术的治疗效果。

Backstepping approach is applied in the recursive process and a lemma is cleverly used which can avoid reconstructing the Lyapunov function of the subsystem when the unmeasured states are dealt with .

本文主要利用backstepping方法，在具体的递推设计的过程中，又巧妙地应用一个引理，这样就可以避免为处理 不 可 测状态而重新构造子系统的Lyapunov函数。

The researchers acknowledge that the findings could be affected by factors they could not control for including unmeasured sociodemographic factors a family history of preterm delivery maternal substance abuse or smoking and bacterial or viral infections .

研究者们也承认调查结果可能会受一些非可控因素的影响，包括 不 可 测量的社会人口因素，早产的家族历史，产妇药物滥用，抽烟以及细菌或是病毒性感染。

Different from the existing results the nonlinear system studied here is more general : ( 1 ) the system has the zero-dynamics which are unmeasured ; ( 2 ) the control parameters are uncertain .

不同于现有文献，本部分所研究的非线性系统更具一般性：（1）系统具有 不 可 量 测零动态；（2）系统的控制系数具有不确定性。

The unmeasured channels may be channels for use in an analog system or broadcast channels .

不 测量信道可以是在模拟系统中使用的信道，或广播信道。

The Research of On-line Observation for the Unmeasured Inputs of the Chemical System Basing on the Neural Net

基于神经网络在线观测化工系统 不 可 测输入的研究

Fault diagnosis architecture based on adaptive neural networks for a class of unknown nonlinear systems with unmeasured states is proposed . The center vector and width vector of Gaussian function are on-line updated but updating weight matrix .

针对一类模型未知及 状态 不 可 测的非线性系统，提出了基于自适应神经网络的故障诊断策略，不仅在线 估计神经网络的矩阵权重，而且在线估计高斯函数的宽度和中心。

Confirm the existence of oscillations in the control loop and the exclusion of control valve nonlinear factors cases this method can distinguish the model-plant mismatch the controller tuning problem and unmeasured periodic disturbance .

在检测确认系统存在振荡、并排除控制阀非线性因素的情况下，用该方法能区分模型对象失配、控制器过调和 不 可 测周期性扰动的影响。

Soft-sensing technology is an important method to solve the real-time estimation of unmeasured variables in the field of process control and process detects .

软测量技术是过程控制和过程检测领域解决 难测变量实时估计等问题的重要手段。

Sensitivity analysis revealed that unmeasured confounders that increase the risk for death could diminish or eliminate the observed associations .

灵敏性分析表明存在死亡风险性增加会减少或去除观察相关性的 混杂（因素）。

It is always possible that some unknown or unmeasured factors confounded these results he added .

它始终是可能的，一些不明或 衡量因素混淆这些结果，他补充说。

Soft sensor software based on artificial neural network ( ANN ) using BP or RBF structure is developed to calculate unmeasured variables online .

采用BP和RBF网络，开发了人工神经网络软测量仪表软件，实现了 不 可 测变量的在线 观测。

However the existing two-level matrix projection transformation algorithm may not properly classify the unmeasured variables .

常用的两层次矩阵投影变换算法在对 未 测数据进行分类时，可能无法识别 出 所有 的 不 可 估计 型数据。

In the detection of model-plant mismatch with unmeasured disturbances existing diagnostic methods need to be taken to invasive test or join a certain stimulus .

针对存在 不 可 测扰动时的模型对象失配的诊断问题，现有的诊断方法需要对控制系统采取侵入式的试验或者加入一定的激励信号。

Design the state observers by estimating the state variables which are unmeasured completely .

对于 电力 系统 实际运行 过程中参数 不完全 可 测 的 问题，设计了观测器。

Still the authors acknowledge that this is an observational study and that many other unmeasured factors could have influenced their results .

不过，作者承认，这只是一项观测研究，而且许多别的 不 可 测因素也可能会影响他们的结果。

Stabilization Analysis of a Class of Fuzzy Time-delay Systems with Unmeasured States

一类状态 不 可 测模糊时滞系统的稳定性分析

Moreover by using the Lyapunov theory of finite-time stability and the backstepping constructive methodology skillfully the unmeasured zero-dynamics are effectively solved and the design procedure of the finite-time stabilizing controller with adjustable-settling-time is presented .

另外，本部分通过灵活运用有限时间稳定的Lyapunov理论和反步构造方法，有效处理了 系统 的 不 可 测量零动态，给出了 停息时间可调的有限时间稳定控制器的设计步骤。

Secondly the design method of the observer based on the fault function provided by RBF neural network was proposed for uncertain nonlinear systems with unmeasured states .

然后，针对状态 不 完全 可 观测 的 仿射 型非线性系统，提出了基于RBF神经网络逼近故障特性函数的观测器设计方法。

Although statistical modeling could control for these measured baseline differences the potential for confounding by unmeasured variables existed .

虽然应用统计模型能控制这些基线评估上的差异，但 仍然存在 一些 无法测定的变量导致潜在的 混杂。