查询词典 azimuth error

In order to improve the velocity of alignment, a fast estimation method of the azimuth error angle is proposed for the initial alignment of INS. The simulation results illustrate the efficiency of the method.

为提高对准速度，文中给出了方位误差角的一种快速估计方法，结果表明该方法是可行的。

The accuracy analysis for different measurements and parameters are given respectively. The simulation results show that the positioning accuracy is influenced by azimuth error greatly.

通过对系统各个因素算法定位性能的影响，得出了各方法定位误差的分布规律；将仿真结果进行对比，得出结论：距离信息对算法的定位性能影响较小，系统的定位性能主要受角度观测信息的影响较大。

Based on the engineering background of the precision guided bomb, the transform relations between different coordinate were investigated, and the effects of azimuth error was analyzed.

将制导炸弹的SINS/GPS组合导航系统输出的导航信息进行坐标转换，产生制导控制系统所需要的发射坐标系下的信息，以实现制导炸弹的制导与控制功能。

This project was used for a waning system. The distinguishing rate is 0.01° when the azimuth error is limited at 0.4mrad.

此方案在某型在研告警设备中进行了实验，方位误差限定在0.4mrad条件下其分辨力可达0.01°。

The integrated system is composed of SINS and GPS, each subsystems navigational parameter is sent to navigation computer. At there the azimuth and attitude angle error is estimated by Kalman filter, then be used to adjust the attitude matrix of SINS.

组合系统由SINS、GPS两个系统构成，各子系统的导航信息输出至导航计算机，应用卡尔曼滤波方法估计三个方向的失准角，并对SINS系统的姿态矩阵进行校正。

Having set up the model of the SAR platform motion errors, we study the effects of the motion error both in azimuth and range direction of the SAR platform on the images' focused performance.

在建立机载UWB SAR运动误差模型的基础上，研究了方位向和距离向载机运动误差对于成像性能的影响。

Center frequency of the system is 280MHz with a bandwidth of 10MHz. The sample frequency is 2GS/s. The system shows the lightning VHF source in 2-D, and the error for azimuth is less than 1 and 3 for elevation.

系统能够给出闪电VHF辐射源的仰角和方位角二维发展图像，对方位角的测量精度大于仰角，从标定结果来看，系统对方位角的测量误差在1度以下，而对仰角的测量精度随着仰角的减小而降低，对所分析的高仰角闪电，仰角误差一般不超过3度。

The conclusion is that the probability of ESM-radar track false association can be decrease by 1 decreasing the ratio of azimuth measurement error of radar with that of ESM, and 2 increasing measurement times.

最后，由错误关联概率曲线得出了采取减小雷达航迹测量误差与ESM航迹测量误差比值和增加测量次数等措施可以减小错误关联概率的结论。

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。

The equation of ESCDAC is presented. Secondly, Based on this equation and the independent characteristic of observation valves, the ESR of the azimuth measurement error is presented by full - difference of the measurement equation which acts as the precision of ESCDAC.

然后以该方程为基础，根据该方程中各个观测量相互独立的特点，方位测量误差的均方根值可由测向方程的全微分求得，并将其作为电扫描恒差比幅测向的精度，由该精度公式可以看出，电扫描恒差比幅测向有很高的精度，并且在不同的角度上，其精度保持稳定。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。