俯仰

Analysis and comparison of the flat window vs the dome advantages and disadvantages used in the periscopes and optronic mast s is made.

对潜望镜和光电桅杆使用平面窗和球面窗的利弊进行分析和比较，并对国外公开的各种典型的潜望镜和光电桅杆使用的窗口和俯仰角之间的关系进行列表分析和比较，对今后的观察窗口的选择趋势进行预测。

To model and compensate the magnetic heading error of the magnetic compass system which in a carrier with some pitch angle or roll angle,a new deviation compensation algorithm based on RBF neural network is presented.A BP neural network has been developed to solve the same problem for comparison.

针对具有一定俯仰角或横滚角的磁罗盘系统磁航向误差建模和补偿问题，提出了基于径向基函数神经网络的修正方法，并与BP神经网络方法进行了比较。

The objective and subjective evaluations all indicated that manipulating trackballs in random motion was the most difficult, and in roll or pitch motions was also more difficult than that in static or heave.

从实验中发现不论主观与客观的分析结果均显示在随机运动的环境下操控轨迹球是最困难的，左右摇摆、前后俯仰的运动环境次之，静态与上下起伏的影响最小。

The invention concerns a device for damping the yawing motions between a motor road vehicle and its trailer consisting of a damping curvilinear track (4) whereon acts a friction device (17) for example a pneumatic device mounted at the end of the towbar (2), the track (4) being for example articulated to a fixed part at the rear of the truck or sufficiently flexible to absorb roll and pitch.

本发明涉及在机动车和它的拖车之间的左右摆动缓冲装置，该装置包括一个曲面形缓冲道(4)，一个装在连杆(2)的端部的气动摩擦装置(17)作用在该缓冲道上，以铰接的方式将缓冲道(4)连接到卡车后面的固定部位上，缓冲道也可以足够柔软，以便消除侧滚或俯仰运动。

The conclusion is that the extent of the zenith blind zone was restricted by three parameters: maximum azimuth angular velocity of tracking mount, flight level and airspeed of the target. In astronomical coordinates (reference mark is north latitude 43. 9°), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. Some formulae were given to compute all correlative quantities.

在观测坐标系中推导出确定天顶盲区理论范围公式和满足过天顶跟踪条件的关系式；在天文坐标系中以长春卫星观测站（北纬43.9°）作为计算基准，分别讨论了方位、俯仰方向的角速度、角加速度等对天顶盲区的影响，在理论分析上为解决过天顶跟踪问题打下了基础。

The conclusion is that the extent of the zenith blind zone was restricted by three parameters: maximum azimuth angular velocity of tracking mount, flight level and airspeed of the target. In astronomical coordinates (reference mark is north latitude 43.9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. Some formulae were given to compute all correlative quantities.

在观测坐标系中推导出确定天顶盲区理论范围公式和满足过天项跟踪条件的关系式；在天文坐标系中以长春卫星观测站(北纬43.9°)作为计算基准，分别讨论了方位、俯仰方向的角速度、角加速度等对天顶盲区的影响，在理论分析上为解决过天顶跟踪问题打下了基础。

The phase shifters (0),(1),(2),(3) control the elevation position of the beam.

移相器（0）、（1）、（2）、（3）控制波束的俯仰扫描。

It is very important to research on the problem of the zenith blind zone and correlative technology in theory and practice. Research also leads to some di...更多rections for future investigation.In the dissertation the development actuality of correlative tracking technology around the zenith are summarized by the numbers.

本文以测星精密光电望远镜和地基激光反卫星跟踪望远镜项目为课题背景，在系统的总结国内外过天项目标跟踪技术发展现状的基础上，归纳出三种解决方案：方位轴倾斜方法、增设次俯仰轴方法、程序引导方法。

A position control strategy of wrist pitch joint is given.

给出了腕部俯仰关节的位置控制策略。

The attitude control system is compared with a micro momentum-biased reaction wheel and three-axis magnetic-coil, to realize the followingfunctions:(1) after release from launcher, by B control law, this mode can damp the body rate down;(2) After that ADCS switches to the three-axis-stabilizing mode.

姿态控制子系统，以俯仰偏置动量轮组合三轴磁力矩器构成控制系统主体，实现初始入轨后的姿态角速率磁控阻尼，以及姿态的三轴稳定控制；分别对动量轮和三轴磁力矩器进行了参数设计。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。