in order to measure the pitching angle and yaw angle of the axes symmetry object in three-dimension orientation, an automatic method of extracting the axes of the object has been presented.
针对轴对称目标三维姿态参数中的偏航角、俯仰角的提取问题,提出了一种自动提取目标中轴线方法。
then we establish the mathematical computation models of roll angle and pitching angle with the yaw angle ignored based on geomagnetism and ballistics theory.
以坐标系变换,外弹道学为理论基础,着重建立了在偏航角可忽略的前提下俯仰角与滚转角独立辨识数学模型。
at last, momentum wheel unloading and long-term momentum management are accomplished under the control of thrust after getting yaw angle estimator and computer simulation is achieved at the same time.
the studying of the different sections deck shows: the variation pattern of flutter critical wind speed of bridge with flat box deck and wind yaw angle is significantly affected by wind attack angle.
研究发现:扁平箱形断面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
the variation pattern between flutter critical wind speed of bridge with flat box deck and wind yaw angle is significantly affected by wind attack angle.
扁平箱形截面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
the forth chapter by actual ship experiments, gets the yaw angular distribution data, and analysis on the rule of the yaw angle distribution.
第四章通过实船实验,得出偏航角分布数据,分析影响漂移量因素之一的偏航角分布规律;
the results show that the thermal effect is able to produce a transition phenomenon in panel flutter under yawed flow, and that the corresponding flow yaw angle also changes.
结果显示:温升使偏航壁板颤振发生「跳跃」现象,对应的气流偏角发生变化;
according to spot in the four-quadrant detector photosensitive surface position to calculate the ship's yaw angle relative to the laser source.
根据光斑在四象限探测器光敏面上的位置来计算船舶相对于激光光源的偏转角度。
this paper mainly studies yaw angle estimation and attitude control of tracking and data relay satellite(tdrs).
本文主要研究了中继卫星的偏航角估计和姿态控制问题。
since the measurement of the yaw angle is unavailable by horizon sensor, an attitude control scheme of the satellite is proposed based on yaw observer.