绝对误差

Achievement of an absolute 0 VDC to 5 VDC input voltage range will therefore require a minimum supply voltage of 4.950 VDC over temperature variations, initial tolerance and loading.

一种绝对的0至5伏直流输入电压范围内实现将因此需要一个温度变化的4.950，初始误差和直流负荷最小电源电压。

The relationship between the absolute pricing error and trading volume is significantly negative.

而期货交易量与此两种期货的绝对定价误差都有显著的负向关系，与预期相同的。

No more than 1/2 of absolute value of basic error limit.

10重复性Repeatity：不大于基本误差绝对值得1/2。

Therefore, the absolute magnitude of the error pattern can be represented by the extra sum of squares using the weighting factor .

因此，绝对程度的误差模式可以通过多平方用加权因子代替。

In this platform, laser sensor is used for absolute location to remove cumulative error from odometer periodically to make a precise and real-time location system.

该平台定期根据激光传感器的绝对定位数据修正里程计的累积误差，从而实现了精度较高、实时性较强的定位系统。

The actual fault analyses show that the Type D principle possesses very high reliability, and its absolute location error does not exceed 1 km.

实测故障分析表明，D型现代行波故障测距原理具有很高的可靠性，其绝对测距误差不超过1 km。

As one part of the project, the dissertation is developed with thelocalization problem in mobile robot navigation. Combined with "MobileRobot 1 of Central South university (MORCS-1)", a mobile robot designed byus that equipped with a 2D laser measurement system to sense the environmentand the proprioceptive sensors such as the odometry, gyroscope to calculate itsdead reckoning, the approach about the four kind uncertainty factors of mobilerobot localization is studied. These researches include that the error analysisand calibration of position sensors is implemented to reduce the measurementnoise, the 3D kinematic model of mobile robot is built to gain the accuratepose in complex terrain, some work on the automatic detection of static ordynamic obstacles based on laser scanner is investigated to eliminate thedynamic influence of the environment and to realize the reliably absoluteposition, and lastly a robust algorithm is presented to involve the incrementalenvironment mapping and self-localization of mobile robot with unknown dataassociation and to improve the self-localization performance of mobile robotunder unknown environment.

作为该项目研究的一部分，本论文以移动机器人导航中的定位问题为研究内容，利用自行研制的装配有二维激光雷达环境感知系统，并通过里程计、陀螺仪等内部传感器来实现航迹推测的移动机器人"中南移动1号MORCS-1"，重点围绕影响移动机器人系统定位的四类不确定性处理展开研究：通过移动机器人定位传感器的误差分析及校准，旨在消除传感器噪声所带来的测量误差；通过建立移动机器人的三维运动学模型进行航迹推测，以期实现复杂地形下精确的移动机器人本体姿态感受；通过基于激光雷达的动静态障碍的自主检测等相关研究，尽量消除环境的不确定因素影响进而实现可靠的移动机器人绝对定位；通过以上研究，针对未知数据关联下移动机器人增量式环境建图与自定位的研究提出一种鲁棒的滤波算法，改善未知环境中移动机器人自定位的性能。

A new algorithm for linear array position calibration is presented. In the case of source direction-of-arrival is uncertain, by using the least square algorithm, the source DoA is estimated based on the unwrap phase of the steering vector.

针对独立校准信源波达角未知情况下的阵列位置误差校正问题，提出了一种对信号导向矢量的绝对相位进行最小二乘线性拟合，进而估计出阵元位置误差的算法。

We modeled the triplicated P waveform to determine the focal depth relative to the 670 km discontinuity and found that the earthquake actually occurred above the discontinuity. Thus even the deepest earthquakes in current catalogs still occur in the upper mantle.

因为地球中的横向不均匀性，地震的绝对深度有较大的误差，所以我们根据观测地震图中明显的三重值特征，对上述那次深地震进行波形模拟，把相对深度和绝对深度结合起来，最终确定地震实际发生在670公里间断面以上，因此我们认为目前目录中那些最深的地震仍然发生在上地幔中。

The accuracy of this semi-analytical inversing model was validated by using the larger-scale in-situ data, and the result shows that the correlation is 0.84 with the relative error 22.6% and absolute error 4.7 m.

利用大量实测透明度资料对模式进行了验证，结果表明遥感反演透明度与实测透明度的相关系数为0.84，绝对平均误差为4.17m，相对平均误差为22.6%。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。