观测误差

In this method,the main control law is approximated by an adaptive fuzzy system directly;the approximation error and disturbing torqu...

在控制律的设计中，将自适应模糊系统直接用作系统的主控制律，利用扩张状态观测器对模糊系统的逼近误差和内外干扰力矩进行观测并予以实时补偿。仿真结果表明了方法的有效性。

To get reliable results, adopting suitable method to remove the systematic errors in observation is an important step. Long exposure times are needed to observe faint objects in astrometry.

为了取得真实可靠的结果，采用合适的方法消除观测过程中各种系统误差的影响是十分重要的一环。

Under weighted squared error loss, it is showed that a least favorable prior, when estimators are restricted to be polynomials of X with degree no more than k, exists and has at most (k+2)-point support, and its Bayes solution, under above restriction, is a k/sup th/ polynomial minimax estimator.

是观测值X的期望值，在X的多项式函数中，於加权平方误差损失之下，本文考虑使其最大风险最小化的多项式大中取小估计式。

Aimed at three kinds of boundary point s on the wall, the method is presented that the boundary point is measured by reducing angle and distance error and it is proved by theory and practice.

针对墙面上的三种界址点，提出以减少测角和测距误差的偏心法观测，并得到了理论和实践的论证，具有一定的实用价

A low pass filter was set in the system for filtering the high frequencies from the calorimetric signals, which was caused by noise.

结果表明该量热模型的误差在±9％以内，为反应过程的在线监测和闭环优化控制提供了一个有效的观测方法。

In order to find the impact of cloud drift winds on variational data assimilation system and to provide reference for operational forecast of tropical cyclone, firstly errors of water vapor winds and infrared cloud drift winds in different levels have been analyzed in this paper; then, cloud drift winds of geostationary meteorological satellites-GMS 5 have been added in the GRAPES three-dimensional variational data assimilation system with radiosonde data.

首先分析了不同通道和层次的静止气象卫星云迹风产品的误差特征；然后，把云迹风资料放到GRAPES三维变分同化系统中进行同化，通过将不同观测类型资料的同化结果进行对比，探讨了红外通道和水汽通道云迹风资料对数值预报分析场的影响；最后，把同化后的分析场作为初始场，用WRF模式对2002年"森拉克"台风做24小时预报实验。

The model of line photogrammetry is the coplanarity condition among the projection center, a space line and its corresponding image line.

直线摄影测量的基本原理是摄站中心、空间直线及其对应的像片直线段间必须满足共面条件，每个像片直线观测值可列两个按条件平差的误差方程式。

The theory of differential game is used to study the problem by assuming 'state feedback of observer state' as the first player and 'output feedback of state error' as the second player.

将观测状态的状态反馈和状态误差的输出反馈分别作为两个对局方，应用微分对策理论研究了系统的最优控制问题。

Study of the method for controlling the very small distortion of the mask;2. In order to get the distortion of ellipsoidal equipment in space, we can fit the ellipsoidal surface by using coordinates of points spreading around it.

讲述了通用二次曲面拟合的误差方程和法方程的组成，介绍了运用Jacobi变换方法来处理系数相关性问题和法方程的求解，还介绍了将通用系数形式转化为标准椭球方程的方法，从而求得观测坐标系与椭球主轴坐标系之间的关系，最后求得椭球在空间的位置、方向和大小，以及椭球体的形变值。

To improve the accuracy of condition prediction for thousand-meters scale cable-stayed bridge under the influences of indeterminate factors such as measurement noise and initial component error during the construction process, a condition prediction method based on evidence theory and grey-neural-network model was proposed.

为解决千米级斜拉桥在施工过程中由于观测噪声及初始构件误差等因素影响下的结构响应预测问题，提出了D-S证据理论与灰色神经网络结合的混合识别方法。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。