查询词典 azimuth error

In this paper, the motion error of ground rail UWB-SAR is analyzed, and the effect on azimuth pulse compression is investigated.

文章分析了地面轨道UWB-SAR的运动误差，研究了对方位向脉冲压缩的影响，最后提出了运动补偿的实现方案。

There are many ways to calculate GPS satellite azimuth and elevation, but the precision is low. A new method to decide GPS satellite position using the broadcast ephemeris is presented, the way to checkup the precision is also given, and some research are made to analysis the error feature of the position which is calculated by the broadcast ephemeris as well, the results show the error is periodic.

GPS卫星高度角、方位角计算方法众多，但精度低；针对这点，提出了一种利用广播星历计算卫星高度角、方位角的方法，对该方法能够达到的精度提出了鉴定的途径，并分析了利用广播星历计算卫星高度角以及方位角的误差特点，结果表明利用广播星历计算的卫星高度角、方位角呈现出周期性变化的规律。

The error model identification of accelerometers on a azimuth strapdown platform system is also concerned in the dissertation. The composite 14 position test plan of the regular hexahedron and octahedron is provided, and identification results are obtained by using improved progressive regression algorithm.

本文实验研究了方位捷联平台系统加速度计误差模型辨识方法，根据最优试验设计理论设计了正六面体和正八面体组合十四位置试验计划，并用改进的逐步回归算法给出了辨识结果。

To obtain the relationship between rotary dynamic target axis shake and its precision,rotating vector and coordinate transfer are used to analyze axis shake′s influence to target′s high and low angle and azimuth angle,and then to analyze its error.

旋转动态靶标是用来检测大型光电经纬仪跟踪精度和动态精度的设备。

Its theory is based on spherical astronomy and error theory, the main research on the ground coordinates of the points and ground connections between two points, the determination of the azimuth principle, measurement method, calculation method of operating procedures and go.

它的理论基础是球面天文学和误差理论，主要研究地面坐标点和地面两点之间连线的方位角的测定原理、测定方法、操作程序和归算方法。

Furthermore, the fault detection and disposal methods for OD racing, sliding, rolling with sliding and sideslipping errors are analyzed briefly.Secondly, this paper dissects the influences of the drifts of gyros and the initial error of azimuth angle on the positioning precision of SINS/OD system.

但在实际应用中，车轮在空转、滑行、连滚带滑和侧滑等情况下，里程仪将出现测量故障，影响系统的定位精度，针对这些情况，本文在理论分析的基础上给出了相应的故障判断和处理方法。

Take celestial azimuth and find compass error on each watch if the weather is fine.

如天气好，每一班测取天体方位求出罗经差。

The results show that at close distances, the field waveform is dependent strongly on azimuth; at distance of several hundreds, the ratio of the peak error values at two azimuths may be bigger than 2; at the distance of 1 km, the mean error is less than 10% with a maximum value of 50%.

结果表明，回击电磁场随方位角的变化非常明显，在距闪电通道几百米距离，误差可达2倍；在1 km处，闪电通道的垂直假定对时域回击辐射场峰值计算的相对误差最大为50%左右，平均小于10%。

Moreover, the accuracy analysis for different measurements and parameters(such as time measure error, azimuth measure error, buoys error, baseline length and sound velocity fluctuation) are given respectively. To make the best use of the observation datas, the weighted least square localization algorithm is used to improve the accuracy in bistatic sonar. The simulation results show that the positioning accuracy of this algorithm is higher than the other four algorithms, with which the positioning accuracy in stations areas and side areas can be improved effectively.

同时，通过对系统各个因素，如系统的各观测量的测量误差、站址误差、基线长度、声速波动等参数对算法性能的影响，得出了各方法定位误差的分布规律；为了充分利用双基地声纳系统的观测数据，提高系统的定位精度，采用加权最小二乘方法对系统的数据进行优化处理，仿真结果表明该方法定位精度明显高于基本方法的定位精度，能有效的改善发射站和接受站侧边区的定位精度，且定位性能受站址测量误差的影响较小。

In order to reduce the influence of position error in every standstill-position of turntable on north-seeking precision, the work process of the Dynamically Tuned Gyro multi-position north seeker and the principle of the azimuth arithmetic are introduced, and the relation between position error and north-seeking precision is analyzed.

针对实验过程中转台在每个转位处存在的转位误差对系统寻北精度的影响，介绍了动调陀螺多位置寻北仪的工作过程及真北解算原理，进行了转位误差对寻北精度影响的误差分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了