系统误差

Based on the distributed multi-sensor track fusion system, it applies sequence disposal means, multi-sensor track fusion problem with feedback information, on the condition of correlated estimation, is studied, under the rule of minimizing the trace of estimation error covariance matrix, the corresponding fusion algorithm is proposed, also ,the analyse of the simulation is presented.

基于分布式多传感器航迹融合系统，采用序贯处理的方法，研究了相关条件下带反馈信息的多传感器航迹融合问题，在估计误差方差阵迹最小的准则下，导出了相应的融合算法，并进行了仿真分析。

This makes the feasibility of mechanical tele-control through Internet. For the distortion of information caused by uncertain net delay and treatment of sampling information treater, the static error is induced.

但是由于网络传输环节的不确定性时延和采样信息处理器的数据报使用策略使传输后的控制信号发生变形，从而使系统存在稳态误差。

Firstly, all kinds of error sources affecting GPS positioning precision are analyzed in this thesis and it is concluded that troposphere de

本论文分析了影响GPS定位精度的各种误差源并提出了相应的对策，通过深入分析得出对流层影响是制约VRS系统精度的瓶颈之一。

The characteristics and error correction model of troposphere delay are systematically investigated.

系统地分析了对流层延迟特性及其误差改正模型的精度及适应性。

It is generally believed that chaotic systems will collapse due to computer truncation error.

计算机截断误差通常被认为会导致混沌系统退化。

So the discussion of influence on throughput and fault coverage due to large truncation error is provided Based on upper design an improved design with two set of detect machine is presented.

但在实际应用中，由于有限字长效应会带来误差，因此本部分中分析了有限字长效应对系统的吞吐量及故障覆盖率的影响。

Strongly consistency and asymptotically unbiasedness of new estimators are proved by means of integrating finite increment with infinitesimal one.

数值实验结果表明估计量的相对误差和无偏性检验值都比较小，新算法能够很好地估计M/G/1排队系统的性能梯度。

Position and velocity errors of Inertial Navigation System increase unboundedly in time.

摘要惯性导航系统(Inertial Navigation System，简称INS)之位置和速度的估算误差会随著时间而增加。

A modified PID control law and an uncoupled variable structure control law all based on the error-quaternion are developed.

姿态控制系统研究：首先基于全局非奇异的误差四元数分别设计了改进的PID控制律和解耦变结构控制律。

A length of straight line and a length of undamped sinusoid of 1/4 period replace the envelop as the response. By the new methods, calculation error is greatly reduced and system character analysis is completed with advantage.

新方法使取代曲线由包络线改为与响应曲线非常接近的一段直线和一段1／4周期的不衰减正弦曲线，从而使计算误差大大减小，这将有益于提高系统性能分析的质量。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。