In this paper, a new calculation method, based on spherical triangular equations by using the vector algebra, is developed to solve the celestial line of position for the altitude of a single celestial body without the intercept. By using the proposed approach, the LOP can be directly plotted by the calculation of the perpendicular intersection of the computed azimuth arc and observed equal altitude arc.
本文以向量代数建构球面三角公式，针对单一天体观测高度发展出求解天文位置线不用截距的新计算方法，可直接求出计算方位线与观测等高度线的垂足交点，来绘制天文位置线。
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 solve the problem that a MCL algorithm can not give good self-localization results using the information of the land marks obtained from the robot vision system. A new robot self-localization method which combines the MCL algorithm and the UKF is proposed. In this new method, the information of landmarks, the position and azimuth of the robot, which are obtained from robot vision system, the encoder of the driving motors, the e-lectronic compass of the robot, respectively, are used to improve the precision of the self-localization of the robot.
为了解决仅仅利用视觉系统得到的路标信息使用蒙特卡洛自定位算法进行机器人自定位时存在较大误差的问题，提出了一种将MCL算法与unscented卡尔曼滤波器相结合进行自定位的方法，将从机器人视觉系统获取的路标信息，从驱动轮码盘获取的位置信息，以及从电子罗盘获取的机器人方位信息进行有效融合，从而提高了机器人的自定位精度。
The parameters of position and attitude of communication terminals were obtained using GPS, INS and etc, the azimuth and elevation essential to antenna alignment of two terminals were obtained by coordinate conversion.
应用GPS、INS等器件测定通信双方的位置、姿态等参数，通过坐标转换矩阵解算了通信双方互指的方位角和俯仰角。
The theoretical analysis and the computer simulation results of ASMP show that a simple three-sensor array can be used to form a beam, which has verY sharp directivity and very low side lobe level by using ASMP. When one signal input the array, the maximum value of the beam aim at the azimuth of signal, while there are two signals input the array, two peak values wouldn抰 appear on the simulated-curve. In fact, the maximum value of the beam always aim at the average value of azimuth of two space sources, and one quarter power spectrum of the array output are just the position of two coherent sources.
理论分析与仿真结果表明，信号相位匹配高分辨算法可以利用简单的三元线列阵形成指向性尖锐的、旁瓣很小的波束；在单源输入时，波束的极大值即是空间信号的方位；在相干源输入的情况下，波束也不会出现双峰；且波束的极大值始终对准双源方位的平均值处，基阵输出幅度的1／2处对应了相干源的方位。
In this paper, we present a rapid and practical radar azimuth calibration method and shaft angle position digitalizing system that has been successfully proven by radar installation test.
给出了一种已经雷达装机试验成功的方位标校方法和轴角变换系统，并被广泛应用于高机动地面情报雷达伺服系统中，取得了良好的效果。
The result shows that when the point-defect is deflected with central positions and azimuth, its central frequency is in approximate cyclic surge, as the defect medium rotates around its central position counter clockwise within the range of 0°~90°, while dual resonante modes occur regularly.
数值计算结果表明，椭圆形点缺陷介质柱偏离其中心位置时，谐振峰的中心频率在某范围内近似周期性波动；而点缺陷介质柱绕其中心位置逆时针旋转时，在0°~90°的范围内，有规律地出现单双谐振模。
In plotting scene, the invention connects fiber-optic gyro(1) with full station instrument telescope(3) by adaptor(2), and make optical fibre gyro can follow full station instrument telescope simultaneously do 180 degree turning reel full station instrument cross shaft, respectively on two horizontal positions of east and west direction of gyro axis that differ by 180 degree; each horizontal position process 2 x 2 position gyro data acquisition on full station instrument perpendicular tray that differ by 180 degree; using formula to count out full station instrument collimation axis true azimuth, survey station meridian convergence angle, then can obtain full station instrument collimation axis grid azimuth, realize full station instrument orient.
基于光纤陀螺的全站仪组合定向方法是一种应用于测绘工作的基于光纤陀螺的全站仪组合定向方法，该方法在测绘现场，把光纤陀螺(1)通过连接装置(2)与全站仪望远镜(3)固连，使光纤陀螺(1)可随全站仪望远镜(3)绕全站仪横轴(4)同步做180度转动，分别在陀螺轴东西向相差180度两个水平位置，每个水平位置在全站仪竖盘相差180度的两个竖直位置进行2×2位置陀螺数据采集；利用公式算得全站仪视准轴真方位角、测站子午线收敛角，即可进一步获得全站仪视准轴坐标方位角，实现全站仪定向。
The 2-D transfer function of the bistatic SAR is obtained. Azimuth position distortion along range existing in the original alogrithm is corrected by mapping from scene coordinate to azimuth-slant distance coordinate. Bistatic SAR date can still be processed by a mono-static SAR processor. The efficaciousness of the proposed algorithm is verified through point target simulations.
算法通过数值计算得到双基地二维传递函数，通过场景坐标系向方位－斜距平面的映射校正了原算法中存在的沿距离变化的方位位置畸变，进而来用常规单基地SAR成像处理流程实现对双基地SAR回波数据的成像处理，最后通过点目标仿真验证了算法的有效性。
It is derived theoretically and simulated for the method on calculating angular velocity and acceleration under the installation of position error and the installation azimuth error.
分别在安装位置误差和安装方位误差存在的条件下，理论推导了角速度和线加速度的解算方法，并仿真分析了安装误差对角速度解算和线加速度解算的影响。
At the same time, the arithmetic model of drive signal washout has been designed for pitching angle of aeroplane, and the position and azimuth angle of simulation cockpit can be controlled accurately.
同时以飞机的俯仰角为例，建立了运动平台驱动信号洗出的算法模型，实现了对模拟座舱的位置和姿态的精确控制；
In this document, are discussed the effects of mach number, angle of attack, pitch and side bank angle speeds and blade azimuth position on the airflow stall boundary of articulated rotor of helicopter, and are obtained the formulae for determination of airflow stall boundary.
本文分析了直升机铰接式旋翼气流失速边界受马赫数、攻角、俯仰和侧倾角速度、桨叶方位角位置的影响，得出了确定气流失速边界的公式。
After initial coarse alignment and reaching a position-known point, azimuth error is compensated based on the DR algorithm and the similarity theory. Finally the field-test verifies the alignment algorithms.
在载车初始粗对准之后，行驶一段路程到达一位置已知点，由航位推算结果并运用相似性原理求出初始粗对准的航向误差角，从而修正航向角达到精对准的目的。
Point coordinate positioning height azimuth-range position indicator
高度方位距离位置显示器
Following GPS waypoints, the vehicle is now rock-solid, to the point where you can turn your back on it. azimuth-stabilized plan position indicator
车辆现在已经可以相当稳定地沿著GPS定位点行进，你可以转身不必理它了。方位稳定平面位置指示器
According to the building dish azimuth comes choice door the position and door model structure.
根据楼盘的方位来选择户型的位置和户型的结构。
Based on geometric rotation transformation fundamental, another azimuth alignment method by using initial position, GNSS observation positions far from start point and SINS calculating positions is proposed, and error analysis is also made.
根据几何旋转变换原理，提出了利用初始位置、GNSS远距离观测位置和惯导推算位置计算方位失准角的方法，分析了该方法的误差影响因素。
The results demonstrate three-position alignment to raise the degree of observability of azimuth error angle and vertical axis gyro error., accelerates the convergence of error. Thus increase the system alignment and calibration accuracy.
仿真结果表明三位置对准提高了方位误差角及垂直陀螺误差的可观度，从而加速了它们的收敛速度，提高了系统的对准、标定精度。
The method is discussed to reduce the azimuth error caused by the heading-effect of the inertial guidance platform when multi-position auto-aligning method adopted by ground-to-ground missiles.
讨论了消除惯导平台航向效应对地地导弹多位置自对准精度影响的方法。
According to the system performance characteristics, we study the rate azimuth platform inertial navigation system (RAPINS), give the system navigation algorithm, error equations of the attitude, velocity and position of the rate azimuth platform, and random error models of the accelerometer and gyro.
根据该系统的特点对速率方位平台惯性导航系统进行了研究，给出了该系统的导航计算公式、速率方位平台姿态角、系统速度和位置的误差方程以及加速度计和陀螺仪的随机误差模型。