系统误差

Simulation results indicate that the drift of up gyro and the initial error of azimuth angle have significant effect on the positioning precision, however, compared with the drift of up gyro, the drifts of east and north gyros have less effect on the positioning precision.

第二，详细分析了东、北、天三个方向的陀螺漂移及初始方位误差角对SINS/里程仪组合系统定位精度的影响。

It accomplishes the measuration of the tracking error of radar such as the azimuth angle error, the high-low angle error, the ranging error, etc.

当与计算机组成采集系统时，可以在计算机上实现误差结果计算、数据分析、存储及打印等更强大的功能。

Aiming at the characteristics of car retarder control system and its performance requirement, a fuzzy self tuning PD controller for retarder control is designed. It takes speed error and its change as fuzzy variables to determine the fuzzy control rules. Using the determined rules, the parameters of PD controller is adjusted on-line, which can be adapted well to required speed and the process parameter variation of retarder feedback control.

针对车辆减速器控制系统的特点和性能要求，设计减速器模糊在线自校正控制器，以调速过程中速度误差及其变化为输入语言变量，建立模糊控制规则；根据模糊控制规则在线调整PD控制器的参数，使控制器能较好地适应减速器闭环控制定速设定及过程参数时变。

For eliminating clock synchronization error in orthogonal frequency division multiplexing systems, a clock synchronization method worked over multipath fading channels was proposed.

为消除时钟同步误差对正交频分复用系统的影响。提出了一种可工作在多径衰落信道下的时钟同步方法。

An error compensation system for optical current transformer based on wavelet analysis and neural network is designed.

设计了一种基于小波分析和神经网络的光学电流互感器误差补偿系统。

To reach a compatibility of survey and navigation services, the system uses one medium-high frequence wave for high accuracy and two medium-low frequencies waves for stability of day-and-night operation as well as for la...

与国内外同类型系统比较，JGD首先采用了以线性组件为核心的宽带限幅放大级，数字锁相，具有误差分析与判断能力的自动巷识别电路和宽带线性功率合成等新技术。

VC++ is be used to simulate the process to analyze how base tossing influence platform drift, platform error angle and sensor data.

同时还用VC++建立了仿真系统，分析了振动对平台漂移、平台误差角及传感器输出值的影响。

The principle and the prototype of the fiber optic gyroscope north-finder is described, the deviation influence caused by the basemen tilt on the north angle precision is analyzed particularly, the accelerometer is used to compensate and improve the accuracy of the north-finder.

描述了光纤陀螺寻北仪的工作原理及系统样机组成，详细分析了转台台面倾斜误差对寻北精度的影响，采用加速度计对寻北精度进行补偿提高。

Moreover, with the directedinterconnection topologies described by digraphs, the leader-following errors are estimated.

当多主体系统的耦合拓扑是固定的或切换的有向图时，跟随者与领导者之间的跟踪误差得到了估计。

According to the trajectory specialty of ERGS, this paper distributed the initial alignment errors and simulated the whole trajectory of the integrated navigation system.

根据超远程炮弹的弹道特点，进行了初始对准的误差分配，完成了全弹道组合导航系统仿真计算。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失