查询词典 computed

The piecewise-linear feedback control law is off-line computed by LMI optimization problems and the on-line control computation reduces to the simple evaluation of the defined piecewise linear function, which makes the online computational efficiency significantly improved.

针对预测控制滚动优化命题的在线计算任务大，作者提出了一种基于分段反馈的离线预测控制算法，通过离线求解线性矩阵不等式优化命题构造分段反馈控制律，在线运行时只需实施满足条件的反馈控制律，极大地提高了控制器在线计算效率。

The total and of the pitot tube were measured when the opening of the regulating valve was changed with keeping the flowrate fixed as well as unchanged the opening of the regulating valve with invariable flowrate. Then, the dynamic pressure signals were analysed with the method of PSD after computed and normalized and a better result of frequency-domain distribution was obtained. In addition, the average energy was defined and used for the analyzing of disturbance signals of regulation valve.

首先利用皮托管对相同流量不同开度及相同开度不同流量下的总压及静压信号进行测量，然后经过计算得到动压信号并进行归一化处理；其次，对归一化处理后的动压信号进行功率谱分析，取得了较好的频域分布结果；同时定义了信号的平均能量，并将其应用到了调节阀扰动信号的分析中。

With the vertical time sequence results computed by the monitoring data (until Aug, 2008) from 28 GPS stations of continuous observation in Tianjin and Beijing Area, the paper analyzes the variation characteristics of vertical component of each GPS continuous stations, calculates the vertical movement velocity of GPS stations in Tianjin and Beijing Area of 2007~2008, compares with the vertical deformation velocity calculated by leveling of 2007-2008 in Capital Circle Area; Furthermore, searches GPS stations nearby the leveling route, corresponding to the first and second leveling time period, calculates the section plane of GPS route, analyzes and compares the section results of GPS and leveling of 2 time periods.

利用北京和天津地区的28个GPS连续观测站资料（资料截至2008年8月）计算得到的垂直向时序结果，分析各个GPS连续观测站垂向分量的变化特征，计算得到2007~2008年北京天津地区GPS站垂直运动速率，并与水准测量计算得到的2007~2008首都圈地区垂直形变速率进行比较；通过寻找水准测量路线附近的GPS站点，相应于水准的初测和复测时段，计算得到GPS路线剖面图，将GPS与水准2个时段的剖面结果进行对比分析。

Based on the clustering characteristic of rigid transformations computed from each correspondence point pair, the PV method is proposed to estimate initial rigid transformation.

根据从对应点组计算的刚体变换的聚类特性，提出PV方法来估计刚体变换的初值。

Lighting is computed at the point using a combination of the normal from the center of the sphere at the point and the density gradient.

Alpha 通道包括密度，通过球心的法向量和斜率可以用来计算出光线位置。

Lighting is computed at the poing using a combination of the normal from the center of the sphere at the point and the density gradient.

这个结果需要使用一些不透明参数做一些改动以得到特定的效果，比如增加 g_noiseOpacity 参数能够得到浓密的烟雾。

Compared with the traditionalroot-locus method, the root-locus method proposed in this dissertation has thefollowing characters:1 The poles location is expressed by polar coordinates.2 The poles location is computed directly.3 The object includes the closed-loop systems and controllers.4 The influence of the parameters on the polar radius and angle can be studied mainly by differential operation.5 The relationship between the polar radius and angle can be studied mainly by differential operation.

与传统的根轨迹法相比，本论文中所采用的根轨迹法具有以下的特点：1 使用极坐标表示极点的位置2 直接计算闭环极点的分布3 研究对象包括闭环系统与控制器4 以微分运算为主要手段，研究了参量的变化对极点的极径和辐角的影响5 以微分运算为主要手段，研究了极点的极径与辐角间的关系本论文从研究Dahlin 控制器振铃现象的成因及消除方法出发，主要进行了以下方面的研究：运用根轨迹法对Dahlin 控制器进行了动态性能分析。

In addition, random wall motion parameters are computed at the tracked positions and either displayed with being superposed with the C-mode or projection-displayed on a polar diagram.

并且，计算在所跟踪的位置的任意的壁运动参数，与C模式重叠地显示或者在极图上投影显示。

Solute-related parameters were computed by means of AM1 method, the quantitative structure-chromatographic retention relationship of the hydrocarbons on different polar stationary phases was set with stepwise regression method.

运用量子化学中的AM1方法计算烃类化合物的分子结构描述参数，借助逐步回归法建立了烃类化合物在不同极性色谱柱上的QSRR模型。

Keywords Colon polypus;Tomography;X-ray computed;Image processing;computer-assisted

结肠息肉；体层摄影术； X线计算机；图像处理；计算机辅助

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。